mirror of
https://github.com/CVEProject/cvelist.git
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"-Synchronized-Data."
This commit is contained in:
CVE Team
parent
a4da860b37
commit
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@ -4,14 +4,63 @@
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"data_version": "4.0",
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"CVE_data_meta": {
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"ID": "CVE-2022-0532",
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"ASSIGNER": "cve@mitre.org",
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"STATE": "RESERVED"
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"ASSIGNER": "secalert@redhat.com",
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"STATE": "PUBLIC"
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},
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"affects": {
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"vendor": {
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"vendor_data": [
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{
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"vendor_name": "n/a",
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"product": {
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"product_data": [
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{
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"product_name": "cri-o",
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"version": {
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"version_data": [
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{
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"version_value": "1.18"
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}
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]
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}
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}
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]
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}
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}
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]
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}
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},
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"problemtype": {
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"problemtype_data": [
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{
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"description": [
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{
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"lang": "eng",
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"value": "CWE-732"
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}
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]
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}
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]
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},
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"references": {
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"reference_data": [
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{
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"refsource": "MISC",
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"name": "https://bugzilla.redhat.com/show_bug.cgi?id=2051730",
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"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2051730"
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},
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{
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"refsource": "MISC",
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"name": "https://kubernetes.io/docs/tasks/administer-cluster/sysctl-cluster/#enabling-unsafe-sysctls",
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"url": "https://kubernetes.io/docs/tasks/administer-cluster/sysctl-cluster/#enabling-unsafe-sysctls"
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}
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]
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},
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"description": {
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"description_data": [
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||||
{
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"lang": "eng",
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||||
"value": "** RESERVED ** This candidate has been reserved by an organization or individual that will use it when announcing a new security problem. When the candidate has been publicized, the details for this candidate will be provided."
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"value": "An incorrect sysctls validation vulnerability was found in CRI-O 1.18 and earlier. The sysctls from the list of \"safe\" sysctls specified for the cluster will be applied to the host if an attacker is able to create a pod with a hostIPC and hostNetwork kernel namespace."
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}
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]
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}
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@ -4,14 +4,58 @@
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"data_version": "4.0",
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"CVE_data_meta": {
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||||
"ID": "CVE-2022-24310",
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"ASSIGNER": "cve@mitre.org",
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"STATE": "RESERVED"
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"ASSIGNER": "cybersecurity@schneider-electric.com",
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"STATE": "PUBLIC"
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},
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"affects": {
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"vendor": {
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"vendor_data": [
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{
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"vendor_name": "n/a",
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"product": {
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"product_data": [
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{
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"product_name": "Interactive Graphical SCADA System Data Server (V15.0.0.22020 and prior)",
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"version": {
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"version_data": [
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{
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"version_value": "Interactive Graphical SCADA System Data Server (V15.0.0.22020 and prior)"
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}
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]
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}
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}
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]
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}
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}
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]
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}
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||||
},
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"problemtype": {
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"problemtype_data": [
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{
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"description": [
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{
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"lang": "eng",
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"value": "CWE-190: Integer Overflow or Wraparound"
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}
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]
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}
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]
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},
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"references": {
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"reference_data": [
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{
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"refsource": "MISC",
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"name": "https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2022-039-01",
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"url": "https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2022-039-01"
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}
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]
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},
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"description": {
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"description_data": [
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{
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"lang": "eng",
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"value": "** RESERVED ** This candidate has been reserved by an organization or individual that will use it when announcing a new security problem. When the candidate has been publicized, the details for this candidate will be provided."
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"value": "A CWE-190: Integer Overflow or Wraparound vulnerability exists that could cause heap-based buffer overflow, leading to denial of service and potentially remote code execution when an attacker sends multiple specially crafted messages. Affected Product: Interactive Graphical SCADA System Data Server (V15.0.0.22020 and prior)"
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}
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]
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}
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@ -4,14 +4,58 @@
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"data_version": "4.0",
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"CVE_data_meta": {
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"ID": "CVE-2022-24312",
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"ASSIGNER": "cve@mitre.org",
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"STATE": "RESERVED"
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"ASSIGNER": "cybersecurity@schneider-electric.com",
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"STATE": "PUBLIC"
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},
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"affects": {
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"vendor": {
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"vendor_data": [
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{
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"vendor_name": "n/a",
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"product": {
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"product_data": [
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{
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"product_name": "Interactive Graphical SCADA System Data Server (V15.0.0.22020 and prior)",
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"version": {
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"version_data": [
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{
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"version_value": "Interactive Graphical SCADA System Data Server (V15.0.0.22020 and prior)"
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}
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]
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}
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}
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]
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}
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}
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]
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}
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},
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"problemtype": {
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"problemtype_data": [
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{
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"description": [
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{
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"lang": "eng",
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"value": "CWE-22: Improper Limitation of a Pathname to a Restricted Directory"
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}
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]
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}
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]
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},
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"references": {
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"reference_data": [
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{
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"refsource": "MISC",
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"name": "https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2022-039-01",
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"url": "https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2022-039-01"
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}
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]
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},
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"description": {
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"description_data": [
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{
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"lang": "eng",
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"value": "** RESERVED ** This candidate has been reserved by an organization or individual that will use it when announcing a new security problem. When the candidate has been publicized, the details for this candidate will be provided."
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"value": "A CWE-22: Improper Limitation of a Pathname to a Restricted Directory vulnerability exists that could cause modification of an existing file by adding at end of file or create a new file in the context of the Data Server potentially leading to remote code execution when an attacker sends a specially crafted message. Affected Product: Interactive Graphical SCADA System Data Server (V15.0.0.22020 and prior)"
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}
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]
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}
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@ -4,14 +4,58 @@
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"data_version": "4.0",
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"CVE_data_meta": {
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"ID": "CVE-2022-24314",
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"ASSIGNER": "cve@mitre.org",
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"STATE": "RESERVED"
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"ASSIGNER": "cybersecurity@schneider-electric.com",
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"STATE": "PUBLIC"
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},
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"affects": {
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"vendor": {
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"vendor_data": [
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{
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"vendor_name": "n/a",
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"product": {
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"product_data": [
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{
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"product_name": "Interactive Graphical SCADA System Data Server (V15.0.0.22020 and prior)",
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"version": {
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"version_data": [
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{
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"version_value": "Interactive Graphical SCADA System Data Server (V15.0.0.22020 and prior)"
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}
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]
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}
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}
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]
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}
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}
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]
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}
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},
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"problemtype": {
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"problemtype_data": [
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{
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"description": [
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{
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"lang": "eng",
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"value": "CWE-125: Out-of-bounds Read"
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}
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]
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}
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]
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},
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"references": {
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"reference_data": [
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{
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"refsource": "MISC",
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"name": "https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2022-039-01",
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"url": "https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2022-039-01"
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}
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]
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},
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"description": {
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"description_data": [
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{
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"lang": "eng",
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"value": "** RESERVED ** This candidate has been reserved by an organization or individual that will use it when announcing a new security problem. When the candidate has been publicized, the details for this candidate will be provided."
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"value": "A CWE-125: Out-of-bounds Read vulnerability exists that could cause memory leaks potentially resulting in denial of service when an attacker repeatedly sends a specially crafted message. Affected Product: Interactive Graphical SCADA System Data Server (V15.0.0.22020 and prior)"
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}
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]
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}
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@ -4,14 +4,58 @@
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"data_version": "4.0",
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"CVE_data_meta": {
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"ID": "CVE-2022-24315",
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"ASSIGNER": "cve@mitre.org",
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"STATE": "RESERVED"
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"ASSIGNER": "cybersecurity@schneider-electric.com",
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||||
"STATE": "PUBLIC"
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},
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||||
"affects": {
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||||
"vendor": {
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"vendor_data": [
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{
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"vendor_name": "n/a",
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"product": {
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"product_data": [
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{
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"product_name": "Interactive Graphical SCADA System Data Server (V15.0.0.22020 and prior)",
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"version": {
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"version_data": [
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{
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"version_value": "Interactive Graphical SCADA System Data Server (V15.0.0.22020 and prior)"
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}
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]
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}
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}
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]
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}
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}
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]
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}
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},
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"problemtype": {
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"problemtype_data": [
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||||
{
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||||
"description": [
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{
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"lang": "eng",
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"value": "CWE-125: Out-of-bounds Read"
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}
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]
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}
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]
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},
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"references": {
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"reference_data": [
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||||
{
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"refsource": "MISC",
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"name": "https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2022-039-01",
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"url": "https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2022-039-01"
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}
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]
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},
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"description": {
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||||
"description_data": [
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||||
{
|
||||
"lang": "eng",
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||||
"value": "** RESERVED ** This candidate has been reserved by an organization or individual that will use it when announcing a new security problem. When the candidate has been publicized, the details for this candidate will be provided."
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||||
"value": "A CWE-125: Out-of-bounds Read vulnerability exists that could cause denial of service when an attacker repeatedly sends a specially crafted message. Affected Product: Interactive Graphical SCADA System Data Server (V15.0.0.22020 and prior)"
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}
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]
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}
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@ -4,14 +4,58 @@
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"data_version": "4.0",
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"CVE_data_meta": {
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"ID": "CVE-2022-24316",
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||||
"ASSIGNER": "cve@mitre.org",
|
||||
"STATE": "RESERVED"
|
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"ASSIGNER": "cybersecurity@schneider-electric.com",
|
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"STATE": "PUBLIC"
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},
|
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"affects": {
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||||
"vendor": {
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"vendor_data": [
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{
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"vendor_name": "n/a",
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"product": {
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"product_data": [
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{
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"product_name": "Interactive Graphical SCADA System Data Server (V15.0.0.22020 and prior)",
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"version": {
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"version_data": [
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{
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"version_value": "Interactive Graphical SCADA System Data Server (V15.0.0.22020 and prior)"
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}
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]
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}
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}
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]
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}
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}
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]
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}
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},
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"problemtype": {
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"problemtype_data": [
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{
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"description": [
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{
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"lang": "eng",
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"value": "CWE-665: Improper Initialization"
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}
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]
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}
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]
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},
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"references": {
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"reference_data": [
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{
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"refsource": "MISC",
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"name": "https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2022-039-01",
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"url": "https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2022-039-01"
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}
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]
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},
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"description": {
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"description_data": [
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{
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"lang": "eng",
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"value": "** RESERVED ** This candidate has been reserved by an organization or individual that will use it when announcing a new security problem. When the candidate has been publicized, the details for this candidate will be provided."
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"value": "A CWE-665: Improper Initialization vulnerability exists that could cause information exposure when an attacker sends a specially crafted message. Affected Product: Interactive Graphical SCADA System Data Server (V15.0.0.22020 and prior)"
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}
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]
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}
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@ -4,14 +4,58 @@
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"data_version": "4.0",
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"CVE_data_meta": {
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"ID": "CVE-2022-24319",
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"ASSIGNER": "cve@mitre.org",
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"STATE": "RESERVED"
|
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"ASSIGNER": "cybersecurity@schneider-electric.com",
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"STATE": "PUBLIC"
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},
|
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"affects": {
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"vendor": {
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"vendor_data": [
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{
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"vendor_name": "n/a",
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"product": {
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"product_data": [
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{
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"product_name": "ClearSCADA (All Versions), EcoStruxure Geo SCADA Expert 2019 (All Versions), EcoStruxure Geo SCADA Expert 2020 (All Versions)",
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"version": {
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"version_data": [
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{
|
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"version_value": "ClearSCADA (All Versions), EcoStruxure Geo SCADA Expert 2019 (All Versions), EcoStruxure Geo SCADA Expert 2020 (All Versions)"
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}
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]
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}
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}
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]
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}
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}
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]
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}
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},
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"problemtype": {
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"problemtype_data": [
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{
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"description": [
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{
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"lang": "eng",
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"value": "CWE-295: Improper Certificate Validation"
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}
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]
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}
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]
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},
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"references": {
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"reference_data": [
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{
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"refsource": "MISC",
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"name": "https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2022-039-05",
|
||||
"url": "https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2022-039-05"
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||||
}
|
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]
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||||
},
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||||
"description": {
|
||||
"description_data": [
|
||||
{
|
||||
"lang": "eng",
|
||||
"value": "** RESERVED ** This candidate has been reserved by an organization or individual that will use it when announcing a new security problem. When the candidate has been publicized, the details for this candidate will be provided."
|
||||
"value": "A CWE-295: Improper Certificate Validation vulnerability exists that could allow a Man-in-theMiddle attack when communications between the client and Geo SCADA web server are intercepted. Affected Product: ClearSCADA (All Versions), EcoStruxure Geo SCADA Expert 2019 (All Versions), EcoStruxure Geo SCADA Expert 2020 (All Versions)"
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||||
}
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]
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}
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"data_version": "4.0",
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"CVE_data_meta": {
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"ID": "CVE-2022-24321",
|
||||
"ASSIGNER": "cve@mitre.org",
|
||||
"STATE": "RESERVED"
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||||
"ASSIGNER": "cybersecurity@schneider-electric.com",
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||||
"STATE": "PUBLIC"
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},
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"affects": {
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"vendor": {
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"vendor_data": [
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{
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"vendor_name": "n/a",
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"product": {
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"product_data": [
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||||
{
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||||
"product_name": "ClearSCADA (All Versions), EcoStruxure Geo SCADA Expert 2019 (All Versions), EcoStruxure Geo SCADA Expert 2020 (All Versions)",
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||||
"version": {
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||||
"version_data": [
|
||||
{
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||||
"version_value": "ClearSCADA (All Versions), EcoStruxure Geo SCADA Expert 2019 (All Versions), EcoStruxure Geo SCADA Expert 2020 (All Versions)"
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}
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]
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}
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}
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]
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}
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}
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]
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}
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},
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"problemtype": {
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"problemtype_data": [
|
||||
{
|
||||
"description": [
|
||||
{
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||||
"lang": "eng",
|
||||
"value": "CWE-754: Improper Check for Unusual or Exceptional Conditions"
|
||||
}
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||||
]
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}
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]
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},
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"references": {
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"reference_data": [
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{
|
||||
"refsource": "MISC",
|
||||
"name": "https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2022-039-05",
|
||||
"url": "https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2022-039-05"
|
||||
}
|
||||
]
|
||||
},
|
||||
"description": {
|
||||
"description_data": [
|
||||
{
|
||||
"lang": "eng",
|
||||
"value": "** RESERVED ** This candidate has been reserved by an organization or individual that will use it when announcing a new security problem. When the candidate has been publicized, the details for this candidate will be provided."
|
||||
"value": "A CWE-754: Improper Check for Unusual or Exceptional Conditions vulnerability exists that could cause Denial of Service against the Geo SCADA server when receiving a malformed HTTP request. Affected Product: ClearSCADA (All Versions), EcoStruxure Geo SCADA Expert 2019 (All Versions), EcoStruxure Geo SCADA Expert 2020 (All Versions)"
|
||||
}
|
||||
]
|
||||
}
|
||||
|
||||
@ -4,14 +4,63 @@
|
||||
"data_version": "4.0",
|
||||
"CVE_data_meta": {
|
||||
"ID": "CVE-2022-24666",
|
||||
"ASSIGNER": "cve@mitre.org",
|
||||
"STATE": "RESERVED"
|
||||
"ASSIGNER": "cve@forums.swift.org",
|
||||
"STATE": "PUBLIC"
|
||||
},
|
||||
"affects": {
|
||||
"vendor": {
|
||||
"vendor_data": [
|
||||
{
|
||||
"vendor_name": "Swift Project",
|
||||
"product": {
|
||||
"product_data": [
|
||||
{
|
||||
"product_name": "SwiftNIO HTTP2",
|
||||
"version": {
|
||||
"version_data": [
|
||||
{
|
||||
"version_affected": ">=",
|
||||
"version_value": "1.0.0"
|
||||
},
|
||||
{
|
||||
"version_affected": "<=",
|
||||
"version_value": "1.19.1"
|
||||
}
|
||||
]
|
||||
}
|
||||
}
|
||||
]
|
||||
}
|
||||
}
|
||||
]
|
||||
}
|
||||
},
|
||||
"problemtype": {
|
||||
"problemtype_data": [
|
||||
{
|
||||
"description": [
|
||||
{
|
||||
"lang": "eng",
|
||||
"value": "CWE-130: Improper Handling of Length Parameter Inconsistency"
|
||||
}
|
||||
]
|
||||
}
|
||||
]
|
||||
},
|
||||
"references": {
|
||||
"reference_data": [
|
||||
{
|
||||
"url": "https://github.com/apple/swift-nio-http2/security/advisories/GHSA-ccw9-q5h2-8c2w",
|
||||
"refsource": "MISC",
|
||||
"name": "https://github.com/apple/swift-nio-http2/security/advisories/GHSA-ccw9-q5h2-8c2w"
|
||||
}
|
||||
]
|
||||
},
|
||||
"description": {
|
||||
"description_data": [
|
||||
{
|
||||
"lang": "eng",
|
||||
"value": "** RESERVED ** This candidate has been reserved by an organization or individual that will use it when announcing a new security problem. When the candidate has been publicized, the details for this candidate will be provided."
|
||||
"value": "A program using swift-nio-http2 is vulnerable to a denial of service attack, caused by a network peer sending a specially crafted HTTP/2 frame. This attack affects all swift-nio-http2 versions from 1.0.0 to 1.19.1. This vulnerability is caused by a logical error when parsing a HTTP/2 HEADERS frame where the frame contains priority information without any other data. This logical error caused confusion about the size of the frame, leading to a parsing error. This parsing error immediately crashes the entire process. Sending a HEADERS frame with HTTP/2 priority information does not require any special permission, so any HTTP/2 connection peer may send such a frame. For clients, this means any server to which they connect may launch this attack. For servers, anyone they allow to connect to them may launch such an attack. The attack is low-effort: it takes very little resources to send an appropriately crafted frame. The impact on availability is high: receiving the frame immediately crashes the server, dropping all in-flight connections and causing the service to need to restart. It is straightforward for an attacker to repeatedly send appropriately crafted frames, so attackers require very few resources to achieve a substantial denial of service. The attack does not have any confidentiality or integrity risks in and of itself: swift-nio-http2 is parsing the frame in memory-safe code, so the crash is safe. However, sudden process crashes can lead to violations of invariants in services, so it is possible that this attack can be used to trigger an error condition that has confidentiality or integrity risks. The risk can be mitigated if untrusted peers can be prevented from communicating with the service. This mitigation is not available to many services. The issue is fixed by rewriting the parsing code to correctly handle the condition. The issue was found by automated fuzzing by oss-fuzz."
|
||||
}
|
||||
]
|
||||
}
|
||||
|
||||
@ -4,14 +4,63 @@
|
||||
"data_version": "4.0",
|
||||
"CVE_data_meta": {
|
||||
"ID": "CVE-2022-24667",
|
||||
"ASSIGNER": "cve@mitre.org",
|
||||
"STATE": "RESERVED"
|
||||
"ASSIGNER": "cve@forums.swift.org",
|
||||
"STATE": "PUBLIC"
|
||||
},
|
||||
"affects": {
|
||||
"vendor": {
|
||||
"vendor_data": [
|
||||
{
|
||||
"vendor_name": "Swift Project",
|
||||
"product": {
|
||||
"product_data": [
|
||||
{
|
||||
"product_name": "SwiftNIO HTTP2",
|
||||
"version": {
|
||||
"version_data": [
|
||||
{
|
||||
"version_affected": ">=",
|
||||
"version_value": "1.0.0"
|
||||
},
|
||||
{
|
||||
"version_affected": "<=",
|
||||
"version_value": "1.19.1"
|
||||
}
|
||||
]
|
||||
}
|
||||
}
|
||||
]
|
||||
}
|
||||
}
|
||||
]
|
||||
}
|
||||
},
|
||||
"problemtype": {
|
||||
"problemtype_data": [
|
||||
{
|
||||
"description": [
|
||||
{
|
||||
"lang": "eng",
|
||||
"value": "CWE-190: Integer Overflow or Wraparound"
|
||||
}
|
||||
]
|
||||
}
|
||||
]
|
||||
},
|
||||
"references": {
|
||||
"reference_data": [
|
||||
{
|
||||
"url": "https://github.com/apple/swift-nio-http2/security/advisories/GHSA-w3f6-pc54-gfw7",
|
||||
"refsource": "MISC",
|
||||
"name": "https://github.com/apple/swift-nio-http2/security/advisories/GHSA-w3f6-pc54-gfw7"
|
||||
}
|
||||
]
|
||||
},
|
||||
"description": {
|
||||
"description_data": [
|
||||
{
|
||||
"lang": "eng",
|
||||
"value": "** RESERVED ** This candidate has been reserved by an organization or individual that will use it when announcing a new security problem. When the candidate has been publicized, the details for this candidate will be provided."
|
||||
"value": "A program using swift-nio-http2 is vulnerable to a denial of service attack, caused by a network peer sending a specially crafted HPACK-encoded header block. This attack affects all swift-nio-http2 versions from 1.0.0 to 1.19.1. There are a number of implementation errors in the parsing of HPACK-encoded header blocks that allow maliciously crafted HPACK header blocks to cause crashes in processes using swift-nio-http2. Each of these crashes is triggered instead of an integer overflow. A malicious HPACK header block could be sent on any of the HPACK-carrying frames in a HTTP/2 connection (HEADERS and PUSH_PROMISE), at any position. Sending a HPACK header block does not require any special permission, so any HTTP/2 connection peer may send one. For clients, this means any server to which they connect may launch this attack. For servers, anyone they allow to connect to them may launch such an attack. The attack is low-effort: it takes very little resources to send an appropriately crafted field block. The impact on availability is high: receiving a frame carrying this field block immediately crashes the server, dropping all in-flight connections and causing the service to need to restart. It is straightforward for an attacker to repeatedly send appropriately crafted field blocks, so attackers require very few resources to achieve a substantial denial of service. The attack does not have any confidentiality or integrity risks in and of itself: swift-nio-http2 is parsing the field block in memory-safe code and the crash is triggered instead of an integer overflow. However, sudden process crashes can lead to violations of invariants in services, so it is possible that this attack can be used to trigger an error condition that has confidentiality or integrity risks. The risk can be mitigated if untrusted peers can be prevented from communicating with the service. This mitigation is not available to many services. The issue is fixed by rewriting the parsing code to correctly handle all conditions in the function. The principal issue was found by automated fuzzing by oss-fuzz, but several associated bugs in the same code were found by code audit and fixed at the same time"
|
||||
}
|
||||
]
|
||||
}
|
||||
|
||||
@ -4,14 +4,63 @@
|
||||
"data_version": "4.0",
|
||||
"CVE_data_meta": {
|
||||
"ID": "CVE-2022-24668",
|
||||
"ASSIGNER": "cve@mitre.org",
|
||||
"STATE": "RESERVED"
|
||||
"ASSIGNER": "cve@forums.swift.org",
|
||||
"STATE": "PUBLIC"
|
||||
},
|
||||
"affects": {
|
||||
"vendor": {
|
||||
"vendor_data": [
|
||||
{
|
||||
"vendor_name": "Swift Project",
|
||||
"product": {
|
||||
"product_data": [
|
||||
{
|
||||
"product_name": "SwiftNIO HTTP2",
|
||||
"version": {
|
||||
"version_data": [
|
||||
{
|
||||
"version_affected": ">=",
|
||||
"version_value": "1.0.0"
|
||||
},
|
||||
{
|
||||
"version_affected": "<=",
|
||||
"version_value": "1.19.1"
|
||||
}
|
||||
]
|
||||
}
|
||||
}
|
||||
]
|
||||
}
|
||||
}
|
||||
]
|
||||
}
|
||||
},
|
||||
"problemtype": {
|
||||
"problemtype_data": [
|
||||
{
|
||||
"description": [
|
||||
{
|
||||
"lang": "eng",
|
||||
"value": "CWE-241: Improper Handling of Unexpected Data Type"
|
||||
}
|
||||
]
|
||||
}
|
||||
]
|
||||
},
|
||||
"references": {
|
||||
"reference_data": [
|
||||
{
|
||||
"url": "https://github.com/apple/swift-nio-http2/security/advisories/GHSA-pgfx-g6rc-8cjv",
|
||||
"refsource": "MISC",
|
||||
"name": "https://github.com/apple/swift-nio-http2/security/advisories/GHSA-pgfx-g6rc-8cjv"
|
||||
}
|
||||
]
|
||||
},
|
||||
"description": {
|
||||
"description_data": [
|
||||
{
|
||||
"lang": "eng",
|
||||
"value": "** RESERVED ** This candidate has been reserved by an organization or individual that will use it when announcing a new security problem. When the candidate has been publicized, the details for this candidate will be provided."
|
||||
"value": "A program using swift-nio-http2 is vulnerable to a denial of service attack caused by a network peer sending ALTSVC or ORIGIN frames. This attack affects all swift-nio-http2 versions from 1.0.0 to 1.19.1. This vulnerability is caused by a logical error after frame parsing but before frame handling. ORIGIN and ALTSVC frames are not currently supported by swift-nio-http2, and should be ignored. However, one code path that encounters them has a deliberate trap instead. This was left behind from the original development process and was never removed. Sending an ALTSVC or ORIGIN frame does not require any special permission, so any HTTP/2 connection peer may send such a frame. For clients, this means any server to which they connect may launch this attack. For servers, anyone they allow to connect to them may launch such an attack. The attack is low-effort: it takes very little resources to send one of these frames. The impact on availability is high: receiving the frame immediately crashes the server, dropping all in-flight connections and causing the service to need to restart. It is straightforward for an attacker to repeatedly send these frames, so attackers require very few resources to achieve a substantial denial of service. The attack does not have any confidentiality or integrity risks in and of itself. This is a controlled, intentional crash. However, sudden process crashes can lead to violations of invariants in services, so it is possible that this attack can be used to trigger an error condition that has confidentiality or integrity risks. The risk can be mitigated if untrusted peers can be prevented from communicating with the service. This mitigation is not available to many services. The issue is fixed by rewriting the parsing code to correctly handle the condition. The issue was found by automated fuzzing by oss-fuzz."
|
||||
}
|
||||
]
|
||||
}
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user