mirror of
https://github.com/CVEProject/cvelist.git
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468 lines
24 KiB
JSON
468 lines
24 KiB
JSON
{
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"data_version": "4.0",
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"data_type": "CVE",
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"data_format": "MITRE",
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"CVE_data_meta": {
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"ID": "CVE-2025-20115",
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"ASSIGNER": "psirt@cisco.com",
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"STATE": "PUBLIC"
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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 vulnerability in confederation implementation for the Border Gateway Protocol (BGP) in Cisco IOS XR Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition.\r\n\r\nThis vulnerability is due to a memory corruption that occurs when a BGP update is created with an AS_CONFED_SEQUENCE attribute that has 255 autonomous system numbers (AS numbers). An attacker could exploit this vulnerability by sending a crafted BGP update message, or the network could be designed in such a manner that the AS_CONFED_SEQUENCE attribute grows to 255 AS numbers or more. A successful exploit could allow the attacker to cause memory corruption, which may cause the BGP process to restart, resulting in a DoS condition. To exploit this vulnerability, an attacker must control a BGP confederation speaker within the same autonomous system as the victim, or the network must be designed in such a manner that the AS_CONFED_SEQUENCE attribute grows to 255 AS numbers or more."
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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": "Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')",
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"cweId": "CWE-120"
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}
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]
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}
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]
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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": "Cisco",
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"product": {
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"product_data": [
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{
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"product_name": "Cisco IOS XR Software",
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"version": {
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"version_data": [
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{
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"version_affected": "=",
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"version_value": "24.2.2"
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{
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"version_affected": "=",
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"version_value": "7.8.23"
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},
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{
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"version_affected": "=",
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"version_value": "7.11.21"
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},
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{
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"version_affected": "=",
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"version_value": "24.2.20"
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},
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{
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"version_affected": "=",
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"version_value": "6.5.35"
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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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"references": {
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"reference_data": [
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{
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"url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxr-bgp-dos-O7stePhX",
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"refsource": "MISC",
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"name": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxr-bgp-dos-O7stePhX"
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},
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{
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"url": "https://blog.apnic.net/2024/09/02/crafting-endless-as-paths-in-bgp/",
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"refsource": "MISC",
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"name": "https://blog.apnic.net/2024/09/02/crafting-endless-as-paths-in-bgp/"
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}
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]
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},
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"source": {
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"advisory": "cisco-sa-iosxr-bgp-dos-O7stePhX",
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"discovery": "EXTERNAL",
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"defects": [
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"CSCwk15887"
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]
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},
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"exploit": [
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{
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"lang": "en",
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"value": "The Cisco PSIRT is aware of a public announcement about this issue. This announcement is not specific to Cisco IOS XR Software and can be found at .\r\n\r\nThe Cisco PSIRT is not aware of any malicious use of the vulnerability that is described in this advisory."
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}
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],
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"impact": {
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"cvss": [
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{
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"version": "3.1",
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"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H",
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"baseScore": 8.6,
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"baseSeverity": "HIGH",
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"attackVector": "NETWORK",
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"attackComplexity": "LOW",
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"privilegesRequired": "NONE",
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"userInteraction": "NONE",
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"scope": "CHANGED",
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"confidentialityImpact": "NONE",
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"integrityImpact": "NONE",
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"availabilityImpact": "HIGH"
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}
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]
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}
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} |