{ "id": "CVE-2023-49083", "sourceIdentifier": "security-advisories@github.com", "published": "2023-11-29T19:15:07.967", "lastModified": "2024-02-17T02:15:45.350", "vulnStatus": "Modified", "cveTags": [], "descriptions": [ { "lang": "en", "value": "cryptography is a package designed to expose cryptographic primitives and recipes to Python developers. Calling `load_pem_pkcs7_certificates` or `load_der_pkcs7_certificates` could lead to a NULL-pointer dereference and segfault. Exploitation of this vulnerability poses a serious risk of Denial of Service (DoS) for any application attempting to deserialize a PKCS7 blob/certificate. The consequences extend to potential disruptions in system availability and stability. This vulnerability has been patched in version 41.0.6." }, { "lang": "es", "value": "cryptography es un paquete dise\u00f1ado para exponer recetas y primitivas criptogr\u00e1ficas a los desarrolladores de Python. Llamar a `load_pem_pkcs7_certificates` o `load_der_pkcs7_certificates` podr\u00eda provocar una desreferencia de puntero NULL y un error de segmentaci\u00f3n. La explotaci\u00f3n de esta vulnerabilidad plantea un grave riesgo de Denegaci\u00f3n de Servicio (DoS) para cualquier aplicaci\u00f3n que intente deserializar un blob/certificado PKCS7. Las consecuencias se extienden a posibles interrupciones en la disponibilidad y estabilidad del sistema. Esta vulnerabilidad ha sido parcheada en la versi\u00f3n 41.0.6." } ], "metrics": { "cvssMetricV31": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "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" }, "exploitabilityScore": 3.9, "impactScore": 3.6 }, { "source": "security-advisories@github.com", "type": "Secondary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H", "attackVector": "NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH", "baseScore": 5.9, "baseSeverity": "MEDIUM" }, "exploitabilityScore": 2.2, "impactScore": 3.6 } ] }, "weaknesses": [ { "source": "security-advisories@github.com", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-476" } ] } ], "configurations": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:a:cryptography_project:cryptography:*:*:*:*:*:python:*:*", "versionStartIncluding": "3.1", "versionEndExcluding": "41.0.6", "matchCriteriaId": "D82EE66F-7D6B-4710-8F2B-08F1819F6860" } ] } ] } ], "references": [ { "url": "https://github.com/pyca/cryptography/commit/f09c261ca10a31fe41b1262306db7f8f1da0e48a", "source": "security-advisories@github.com", "tags": [ "Patch" ] }, { "url": "https://github.com/pyca/cryptography/pull/9926", "source": "security-advisories@github.com", "tags": [ "Issue Tracking", "Patch" ] }, { "url": "https://github.com/pyca/cryptography/security/advisories/GHSA-jfhm-5ghh-2f97", "source": "security-advisories@github.com", "tags": [ "Exploit", "Vendor Advisory" ] }, { "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/QMNTYMUGFJSDBYBU22FUYBHFRZODRKXV/", "source": "security-advisories@github.com" } ] }