CVE-2023-49062

{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2023-49062", "assignerOrgId": "4fc57720-52fe-4431-a0fb-3d2c8747b827", "state": "PUBLISHED", "assignerShortName": "facebook", "dateReserved": "2023-11-20T19:59:38.627Z", "datePublished": "2023-11-28T15:45:42.674Z", "dateUpdated": "2024-08-02T21:46:28.773Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unaffected", "product": "Katran", "vendor": "Facebook", "versions": [{"lessThan": "6a03106ac1eab39d0303662963589ecb2374c97f", "status": "affected", "version": "0", "versionType": "git"}]}], "dateAssigned": "2023-11-20T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "Katran could disclose non-initialized kernel memory as part of an IP header. The issue was present for IPv4 encapsulation and ICMP (v4) Too Big packet generation. After a bpf_xdp_adjust_head call, Katran code didn\u2019t initialize the Identification field for the IPv4 header, resulting in writing content of kernel memory in that field of IP header. The issue affected all Katran versions prior to commit 6a03106ac1eab39d0303662963589ecb2374c97f"}], "problemTypes": [{"descriptions": [{"description": "Missing Initialization of a Variable (CWE-456)", "lang": "en"}]}], "providerMetadata": {"orgId": "4fc57720-52fe-4431-a0fb-3d2c8747b827", "shortName": "facebook", "dateUpdated": "2023-11-28T15:45:42.674Z"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "https://www.facebook.com/security/advisories/cve-2023-49062"}, {"tags": ["x_refsource_MISC"], "url": "https://github.com/facebookincubator/katran/commit/6a03106ac1eab39d0303662963589ecb2374c97f"}]}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T21:46:28.773Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://www.facebook.com/security/advisories/cve-2023-49062"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/facebookincubator/katran/commit/6a03106ac1eab39d0303662963589ecb2374c97f"}]}]}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Katran", "vendor": "Facebook", "versions": [{"lessThan": "6a03106ac1eab39d0303662963589ecb2374c97f", "status": "affected", "version": "0", "versionType": "git"}]}], "source": "cve-assign@fb.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:facebook:katran:*:*:*:*:*:*:*:*", "matchCriteriaId": "C62809AA-C0F4-4F93-B42B-431F9A0A1762", "versionEndExcluding": "2023-11-15", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Katran could disclose non-initialized kernel memory as part of an IP header. The issue was present for IPv4 encapsulation and ICMP (v4) Too Big packet generation. After a bpf_xdp_adjust_head call, Katran code didn\u2019t initialize the Identification field for the IPv4 header, resulting in writing content of kernel memory in that field of IP header. The issue affected all Katran versions prior to commit 6a03106ac1eab39d0303662963589ecb2374c97f"}, {"lang": "es", "value": "Katran podr\u00eda revelar memoria del kernel no inicializada como parte de un encabezado IP. El problema estaba presente en la encapsulaci\u00f3n IPv4 y en la generaci\u00f3n de paquetes ICMP (v4) Too Big. Despu\u00e9s de una llamada a bpf_xdp_adjust_head, el c\u00f3digo Katran no inicializ\u00f3 el campo de identificaci\u00f3n para el encabezado IPv4, lo que result\u00f3 en la escritura del contenido de la memoria del kernel en ese campo del encabezado IP. El problema afect\u00f3 a todas las versiones de Katran antes del commit 6a03106ac1eab39d0303662963589ecb2374c97f"}], "id": "CVE-2023-49062", "lastModified": "2026-06-17T06:35:18.057", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2023-11-28T16:15:07.023", "references": [{"source": "cve-assign@fb.com", "tags": ["Patch"], "url": "https://github.com/facebookincubator/katran/commit/6a03106ac1eab39d0303662963589ecb2374c97f"}, {"source": "cve-assign@fb.com", "tags": ["Vendor Advisory"], "url": "https://www.facebook.com/security/advisories/cve-2023-49062"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://github.com/facebookincubator/katran/commit/6a03106ac1eab39d0303662963589ecb2374c97f"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://www.facebook.com/security/advisories/cve-2023-49062"}], "sourceIdentifier": "cve-assign@fb.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-665"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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