{"dataType": "CVE_RECORD", "dataVersion": "5.0", "cveMetadata": {"state": "PUBLISHED", "cveId": "CVE-2023-24545", "assignerOrgId": "c8b34d1a-69ae-45c3-88fe-f3b3d44f39b7", "assignerShortName": "Arista", "dateUpdated": "2023-04-12T00:00:00", "dateReserved": "2023-01-26T00:00:00", "datePublished": "2023-04-12T00:00:00"}, "containers": {"cna": {"title": "On affected platforms running Arista CloudEOS an issue in the Software Forwarding Engine (Sfe) can lead to a potential denial of service attack by sending malformed packets to the switch.", "datePublic": "2023-04-11T00:00:00", "providerMetadata": {"orgId": "c8b34d1a-69ae-45c3-88fe-f3b3d44f39b7", "shortName": "Arista", "dateUpdated": "2023-04-12T00:00:00"}, "descriptions": [{"lang": "en", "value": "On affected platforms running Arista CloudEOS an issue in the Software Forwarding Engine (Sfe) can lead to a potential denial of service attack by sending malformed packets to the switch. This causes a leak of packet buffers and if enough malformed packets are received, the switch may eventually stop forwarding traffic."}], "affected": [{"vendor": "Arista Networks", "product": "EOS", "versions": [{"version": "4.29.0", "status": "affected", "lessThanOrEqual": "4.29.1F", "versionType": "custom"}, {"version": "4.28.0", "status": "affected", "lessThanOrEqual": "4.28.4M", "versionType": "custom"}, {"version": "4.27.0", "status": "affected", "lessThanOrEqual": "4.27.7M", "versionType": "custom"}, {"version": "4.26.8M", "status": "affected", "lessThanOrEqual": "4.26.8M", "versionType": "custom"}]}], "references": [{"url": "https://www.arista.com/en/support/advisories-notices/security-advisory/17240-security-advisory-0085"}], "metrics": [{"cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH"}}], "problemTypes": [{"descriptions": [{"type": "CWE", "lang": "en", "description": "CWE-400 Uncontrolled Resource Consumption", "cweId": "CWE-400"}]}], "x_generator": {"engine": "Vulnogram 0.0.9"}, "source": {"advisory": "85", "defect": ["743423"], "discovery": "INTERNAL"}, "configurations": [{"lang": "en", "value": "In order to be vulnerable to CVE-2023-24545 and CVE-2023-24513, the switch must be configured to run the Software Forwarding Engine (Sfe). Sfe is the default configuration on CloudEOS platforms. "}], "workarounds": [{"lang": "en", "value": "There is no mitigation / workaround for these issues."}], "solutions": [{"lang": "en", "value": "The recommended resolution is to upgrade to a remediated software version at your earliest convenience. Artista recommends customers move to the latest version of each release that contains all the fixes listed below.\n\nCVE-2023-24545 has been fixed in the following releases:\n4.29.2F and later releases in the 4.29.x train\n4.28.5M and later releases in the 4.28.x train\n4.27.8M and later releases in the 4.27.x train\n4.26.9M and later releases in the 4.26.x train\n"}, {"lang": "en", "value": "The following hotfixes can be applied to remediate both CVE-2023-24545 and CVE-2023-24513. Due to the size of the hotfixes, there are multiple files. Each hotfix applies to a specific set of release trSecurityAdvisory8X_4.28_Hotfix.swixains:\n\nNote: Installing/uninstalling the SWIX will cause Sfe agent to restart and stop forwarding traffic for up to 10 seconds.\n4.29.1F and below releases in the 4.29.x Train:\nURL:SecurityAdvisory85_4.29_Hotfix.swix\nSWIX Hash:\nSHA512 (SHA-512)c965e149cbbaa8698648af9290c5a728e9fe635186eee7629b789502ef37db4a94beea5ecd20e1dc8a19c2cc8988052b625cfccf764c28b8b0e9e4eef8e79bb4Open with Google Docs\n4.28.5M and below releases in the 4.28.x train:\nURL:SecurityAdvisory85_4.28_Hotfix.swix\nSWIX Hash:\n(SHA-512)522d51c6548111d9819ef8b1523b8798ac6847012955e3f885c6f466c81468960fbd4497b45289c8f77297263111340fbdbd7003a30b64e3ef9a270ace62c079\n4.27.8M and below releases in the 4.27.x train:\nURL:SecurityAdvisory85_4.27_Hotfix.swix\nSWIX Hash:\n(SHA-512)5ce5479c11abf185f50d484204555b2dfb9b1c93e8f475d027082ca0951cbfca0f331960a1dd111b8c079264b1dab31b0a62c8daf011afb27b1283c2382747a2Open with Go\n4.26.9M and below releases in the 4.26.x train:\nURL:SecurityAdvisory85_4.26_Hotfix.swix\nSWIX Hash:\n(SHA-512)9386f12a24f35679bdeb08d506bf0bddb9703d1ef3043de2c06d09ff47f2dd0d1bd7aca0748febb5b04fbdeaed7c4ae2922086fb638c754c3a9a5384306396d2\n"}]}}}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:arista:cloudeos:*:*:*:*:*:*:*:*", "matchCriteriaId": "7D1A5002-07BD-4669-A7C9-E47A28C3F39C", "versionEndExcluding": "4.26.9m", "versionStartIncluding": "4.26.0", "vulnerable": true}, {"criteria": "cpe:2.3:o:arista:cloudeos:*:*:*:*:*:*:*:*", "matchCriteriaId": "2FEF7B98-AD0E-4DE3-912D-DDC39FE4C3D7", "versionEndExcluding": "4.27.8m", "versionStartIncluding": "4.27.0", "vulnerable": true}, {"criteria": "cpe:2.3:o:arista:cloudeos:*:*:*:*:*:*:*:*", "matchCriteriaId": "DA82CE8C-A95E-48B9-8E61-09429FFBC0DD", "versionEndExcluding": "4.28.5m", "versionStartIncluding": "4.28.0", "vulnerable": true}, {"criteria": "cpe:2.3:o:arista:cloudeos:*:*:*:*:*:*:*:*", "matchCriteriaId": "0769DED3-64E8-4EEC-95BD-CDB18C848B8E", "versionEndExcluding": "4.29.2f", "versionStartIncluding": "4.29.0", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:arista:dca-200-veos:-:*:*:*:*:*:*:*", "matchCriteriaId": "6C9985E3-D496-473F-A806-022EC164EF96", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "descriptions": [{"lang": "en", "value": "On affected platforms running Arista CloudEOS an issue in the Software Forwarding Engine (Sfe) can lead to a potential denial of service attack by sending malformed packets to the switch. This causes a leak of packet buffers and if enough malformed packets are received, the switch may eventually stop forwarding traffic."}], "id": "CVE-2023-24545", "lastModified": "2023-04-21T15:09:02.267", "metrics": {"cvssMetricV31": [{"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"}, {"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": "psirt@arista.com", "type": "Secondary"}]}, "published": "2023-04-12T21:15:18.183", "references": [{"source": "psirt@arista.com", "tags": ["Exploit", "Patch", "Vendor Advisory"], "url": "https://www.arista.com/en/support/advisories-notices/security-advisory/17240-security-advisory-0085"}], "sourceIdentifier": "psirt@arista.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-400"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-400"}], "source": "psirt@arista.com", "type": "Secondary"}]}

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