mirror of
https://github.com/CVEProject/cvelist.git
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92 lines
3.7 KiB
JSON
92 lines
3.7 KiB
JSON
{
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"data_type": "CVE",
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"data_format": "MITRE",
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"data_version": "4.0",
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"CVE_data_meta": {
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"ID": "CVE-2020-25686",
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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": "dnsmasq",
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"version": {
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"version_data": [
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{
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"version_value": "dnsmasq 2.83"
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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-358"
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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://www.jsof-tech.com/disclosures/dnspooq/",
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"url": "https://www.jsof-tech.com/disclosures/dnspooq/"
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},
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{
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"refsource": "MISC",
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"name": "https://bugzilla.redhat.com/show_bug.cgi?id=1890125",
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"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1890125"
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},
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{
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"refsource": "FEDORA",
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"name": "FEDORA-2021-84440e87ba",
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"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WYW3IR6APUSKOYKL5FT3ACTIHWHGQY32/"
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},
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{
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"refsource": "GENTOO",
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"name": "GLSA-202101-17",
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"url": "https://security.gentoo.org/glsa/202101-17"
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},
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{
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"refsource": "DEBIAN",
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"name": "DSA-4844",
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"url": "https://www.debian.org/security/2021/dsa-4844"
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},
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{
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"refsource": "FEDORA",
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"name": "FEDORA-2021-2e4c3d5a9d",
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"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/QGB7HL3OWHTLEPSMLDGOMXQKG3KM2QME/"
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},
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{
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"refsource": "MISC",
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"name": "https://www.arista.com/en/support/advisories-notices/security-advisories/12135-security-advisory-61",
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"url": "https://www.arista.com/en/support/advisories-notices/security-advisories/12135-security-advisory-61"
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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": "A flaw was found in dnsmasq before version 2.83. When receiving a query, dnsmasq does not check for an existing pending request for the same name and forwards a new request. By default, a maximum of 150 pending queries can be sent to upstream servers, so there can be at most 150 queries for the same name. This flaw allows an off-path attacker on the network to substantially reduce the number of attempts that it would have to perform to forge a reply and have it accepted by dnsmasq. This issue is mentioned in the \"Birthday Attacks\" section of RFC5452. If chained with CVE-2020-25684, the attack complexity of a successful attack is reduced. The highest threat from this vulnerability is to data integrity."
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}
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]
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}
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} |