{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2024-47825", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2024-10-03T14:06:12.641Z", "datePublished": "2024-10-21T19:05:55.430Z", "dateUpdated": "2024-10-21T19:59:01.283Z"}, "containers": {"cna": {"title": "CIDR deny policies may not take effect when a more narrow CIDR allow is present", "problemTypes": [{"descriptions": [{"cweId": "CWE-276", "lang": "en", "description": "CWE-276: Incorrect Default Permissions", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:N/A:N", "version": "3.1"}}], "references": [{"name": "https://github.com/cilium/cilium/security/advisories/GHSA-3wwx-63fv-pfq6", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/cilium/cilium/security/advisories/GHSA-3wwx-63fv-pfq6"}], "affected": [{"vendor": "cilium", "product": "cilium", "versions": [{"version": ">= 1.15.0, < 1.15.10", "status": "affected"}, {"version": ">= 1.14.0, < 1.14.16", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2024-10-21T19:05:55.430Z"}, "descriptions": [{"lang": "en", "value": "Cilium is a networking, observability, and security solution with an eBPF-based dataplane. Starting in version 1.14.0 and prior to versions 1.14.16 and 1.15.10, a policy rule denying a prefix that is broader than `/32` may be ignored if there is a policy rule referencing a more narrow prefix (`CIDRSet` or `toFQDN`) and this narrower policy rule specifies either `enableDefaultDeny: false` or `- toEntities: all`. Note that a rule specifying `toEntities: world` or `toEntities: 0.0.0.0/0` is insufficient, it must be to entity `all`.This issue has been patched in Cilium v1.14.16 and v1.15.10. As this issue only affects policies using `enableDefaultDeny: false` or that set `toEntities` to `all`, some workarounds are available. For users with policies using `enableDefaultDeny: false`, remove this configuration option and explicitly define any allow rules required. For users with egress policies that explicitly specify `toEntities: all`, use `toEntities: world`."}], "source": {"advisory": "GHSA-3wwx-63fv-pfq6", "discovery": "UNKNOWN"}}, "adp": [{"affected": [{"vendor": "cilium", "product": "cilium", "cpes": ["cpe:2.3:a:cilium:cilium:*:*:*:*:*:*:*:*"], "defaultStatus": "unknown", "versions": [{"version": "1.15.0", "status": "affected", "lessThan": "1.15.10", "versionType": "custom"}, {"version": "1.14.0", "status": "affected", "lessThan": "1.14.16", "versionType": "custom"}]}], "metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2024-10-21T19:58:00.432301Z", "id": "CVE-2024-47825", "options": [{"Exploitation": "poc"}, {"Automatable": "no"}, {"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": "2024-10-21T19:59:01.283Z"}}]}}

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{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:cilium:cilium:*:*:*:*:*:*:*:*", "matchCriteriaId": "E72A812D-F216-4165-A98F-AAF9042ECE26", "versionEndExcluding": "1.14.16", "versionStartIncluding": "1.14.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:cilium:cilium:*:*:*:*:*:*:*:*", "matchCriteriaId": "430A4DEE-E609-4186-A882-E0E424D6F232", "versionEndExcluding": "1.15.10", "versionStartIncluding": "1.15.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Cilium is a networking, observability, and security solution with an eBPF-based dataplane. Starting in version 1.14.0 and prior to versions 1.14.16 and 1.15.10, a policy rule denying a prefix that is broader than `/32` may be ignored if there is a policy rule referencing a more narrow prefix (`CIDRSet` or `toFQDN`) and this narrower policy rule specifies either `enableDefaultDeny: false` or `- toEntities: all`. Note that a rule specifying `toEntities: world` or `toEntities: 0.0.0.0/0` is insufficient, it must be to entity `all`.This issue has been patched in Cilium v1.14.16 and v1.15.10. As this issue only affects policies using `enableDefaultDeny: false` or that set `toEntities` to `all`, some workarounds are available. For users with policies using `enableDefaultDeny: false`, remove this configuration option and explicitly define any allow rules required. For users with egress policies that explicitly specify `toEntities: all`, use `toEntities: world`."}, {"lang": "es", "value": "Cilium es una soluci\u00f3n de redes, observabilidad y seguridad con un plano de datos basado en eBPF. A partir de la versi\u00f3n 1.14.0 y antes de las versiones 1.14.16 y 1.15.10, una regla de pol\u00edtica que deniegue un prefijo m\u00e1s amplio que `/32` puede ignorarse si hay una regla de pol\u00edtica que haga referencia a un prefijo m\u00e1s estrecho (`CIDRSet` o `toFQDN`) y esta regla de pol\u00edtica m\u00e1s estrecha especifica `enableDefaultDeny: false` o `- toEntities: all`. Tenga en cuenta que una regla que especifique `toEntities: world` o `toEntities: 0.0.0.0/0` no es suficiente, debe ser para la entidad `all`. Este problema se ha corregido en Cilium v1.14.16 y v1.15.10. Como este problema solo afecta a las pol\u00edticas que utilizan `enableDefaultDeny: false` o que establecen `toEntities` en `all`, hay algunas soluciones alternativas disponibles. Para los usuarios con pol\u00edticas que utilizan `enableDefaultDeny: false`, elimine esta opci\u00f3n de configuraci\u00f3n y defina expl\u00edcitamente las reglas de permiso requeridas. Para los usuarios con pol\u00edticas de salida que especifican expl\u00edcitamente `toEntities: all`, utilice `toEntities: world`."}], "id": "CVE-2024-47825", "lastModified": "2024-12-19T15:59:27.760", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.0, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 1.4, "source": "security-advisories@github.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 8.7, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 5.8, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2024-10-21T19:15:03.500", "references": [{"source": "security-advisories@github.com", "tags": ["Vendor Advisory"], "url": "https://github.com/cilium/cilium/security/advisories/GHSA-3wwx-63fv-pfq6"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-276"}], "source": "security-advisories@github.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{}

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