CVE-2020-10769

{"id": "CVE-2020-10769", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 2.1, "accessVector": "LOCAL", "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:P", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "LOW", "obtainAllPrivilege": false, "exploitabilityScore": 3.9, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 1.8}]}, "published": "2020-06-26T16:15:12.140", "references": [{"url": "http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00009.html", "tags": ["Mailing List", "Third Party Advisory"], "source": "secalert@redhat.com"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1708775%3B", "source": "secalert@redhat.com"}, {"url": "https://lkml.org/lkml/2019/1/21/675", "tags": ["Exploit", "Mailing List", "Patch", "Third Party Advisory"], "source": "secalert@redhat.com"}, {"url": "https://www.oracle.com/security-alerts/cpuApr2021.html", "source": "secalert@redhat.com"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-125"}]}], "descriptions": [{"lang": "en", "value": "A buffer over-read flaw was found in RH kernel versions before 5.0 in crypto_authenc_extractkeys in crypto/authenc.c in the IPsec Cryptographic algorithm's module, authenc. When a payload longer than 4 bytes, and is not following 4-byte alignment boundary guidelines, it causes a buffer over-read threat, leading to a system crash. This flaw allows a local attacker with user privileges to cause a denial of service."}, {"lang": "es", "value": "Se encontr\u00f3 un defecto de lectura excesiva del b\u00fafer en el kernel de RH versiones anteriores a 5.0, en la funci\u00f3n crypto_authenc_extractkeys en el archivo crypto/authenc.c en el m\u00f3dulo del algoritmo Criptogr\u00e1fico IPsec, authenc. Cuando una carga \u00fatil de m\u00e1s de 4 bytes y no sigue las pautas de l\u00edmites de alineaci\u00f3n de 4 bytes, esto causa una amenaza de lectura excesiva del b\u00fafer, conllevando a un bloqueo del sistema. Este fallo permite a un atacante local con privilegios de usuario causar una denegaci\u00f3n de servicio"}], "lastModified": "2023-02-12T23:39:27.940", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "142AD0DD-4CF3-4D74-9442-459CE3347E3A"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B620311B-34A3-48A6-82DF-6F078D7A4493"}], "operator": "OR"}]}], "sourceIdentifier": "secalert@redhat.com"}