CVE-2023-24511

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Artista recommends customers move to the latest version of each release that contains all the fixes listed below. For more information about upgrading see Eos User Manual: Upgrades and Downgrades\n\nCVE-2023-24511 has been fixed in the following releases:\n4.29.2F and later releases in the 4.29.x train\n4.28.6M and later releases in the 4.28.x train\n4.27.9M and later releases in the 4.27.x train\n4.26.10M and later releases in the 4.26.x train\n"}, {"lang": "en", "value": "The following hotfix can be applied to remediate CVE-2023-24511. The hotfix only applies to the releases listed below and no other releases. All other versions require upgrading to a release containing the fix (as listed above).: \n\n4.29.1F and below releases in the 4.29.x train\n4.28.5.1M and below releases in the 4.28.x train\n4.27.8.1M and below releases in the 4.27.x train\n4.26.9M and below releases in the 4.26.x train\n\nNote: Installing/uninstalling the SWIX will cause the snmpd process to restart\nVersion: 1.0\nURL:SecurityAdvisory84_CVE-2023-24511_Hotfix.swix\nSWIX hash:SecurityAdvisory84_CVE-2023-24511_Hotfix.swix\n(SHA-512)da2bc1fd2c7fc718e3c72c7ce83dc1caa05150cbe2f081c8cc3ed40ce787f7e24dff5202e621ef5f2af89f72afd25f7476d02f722ffe8e8c7d24c101cbbfe0e5"}]}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T10:56:04.366Z"}, "title": "CVE Program Container", "references": [{"url": "https://www.arista.com/en/support/advisories-notices/security-advisory/17239-security-advisory-0084", "tags": ["x_transferred"]}]}, {"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2025-02-07T15:47:38.119400Z", "id": "CVE-2023-24511", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-02-07T15:47:42.435Z"}}]}}

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Artista recommends customers move to the latest version of each release that contains all the fixes listed below. For more information about upgrading see Eos User Manual: Upgrades and Downgrades\n\nCVE-2023-24511 has been fixed in the following releases:\n4.29.2F and later releases in the 4.29.x train\n4.28.6M and later releases in the 4.28.x train\n4.27.9M and later releases in the 4.27.x train\n4.26.10M and later releases in the 4.26.x train\n"}, {"lang": "en", "value": "The following hotfix can be applied to remediate CVE-2023-24511. The hotfix only applies to the releases listed below and no other releases. All other versions require upgrading to a release containing the fix (as listed above).: \n\n4.29.1F and below releases in the 4.29.x train\n4.28.5.1M and below releases in the 4.28.x train\n4.27.8.1M and below releases in the 4.27.x train\n4.26.9M and below releases in the 4.26.x train\n\nNote: Installing/uninstalling the SWIX will cause the snmpd process to restart\nVersion: 1.0\nURL:SecurityAdvisory84_CVE-2023-24511_Hotfix.swix\nSWIX hash:SecurityAdvisory84_CVE-2023-24511_Hotfix.swix\n(SHA-512)da2bc1fd2c7fc718e3c72c7ce83dc1caa05150cbe2f081c8cc3ed40ce787f7e24dff5202e621ef5f2af89f72afd25f7476d02f722ffe8e8c7d24c101cbbfe0e5"}], "datePublic": "2023-04-11T00:00:00.000Z", "references": [{"url": "https://www.arista.com/en/support/advisories-notices/security-advisory/17239-security-advisory-0084"}], "workarounds": [{"lang": "en", "value": "If you suspect you are encountering this issue due to malicious activity, the workaround is to enable SNMP service ACLs to only allow specific IP addresses to query SNMP (combined with anti-spoofing ACLs in the rest of the network).\n\nsnmp-server ipv4 access-list allowHosts4\nsnmp-server ipv6 access-list allowHosts6\n!\nipv6 access-list allowHosts6\n 10 permit ipv6 host <ipv6 address> any\n!\nip access-list allowHosts4\n 10 permit ip host <ipv4 address> any\n\n"}], "x_generator": {"engine": "Vulnogram 0.0.9"}, "descriptions": [{"lang": "en", "value": "On affected platforms running Arista EOS with SNMP configured, a specially crafted packet can cause a memory leak in the snmpd process. 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This may result in the snmpd processing being terminated (causing SNMP requests to time out until snmpd is automatically restarted) and potential memory resource exhaustion for other processes on the switch. The vulnerability does not have any confidentiality or integrity impacts to the system."}], "id": "CVE-2023-24511", "lastModified": "2026-06-17T05:39:25.707", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 1.4, "source": "psirt@arista.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2023-24511", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2025-02-07T15:47:38.119400Z", "version": "2.0.3"}}]}, "published": "2023-04-12T21:15:16.707", "references": [{"source": "psirt@arista.com", "tags": ["Exploit", "Patch", "Vendor Advisory"], "url": "https://www.arista.com/en/support/advisories-notices/security-advisory/17239-security-advisory-0084"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Patch", "Vendor Advisory"], "url": "https://www.arista.com/en/support/advisories-notices/security-advisory/17239-security-advisory-0084"}], "sourceIdentifier": "psirt@arista.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-401"}], "source": "psirt@arista.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-401"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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