CVE-2013-4548

{"id": "CVE-2013-4548", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 6.0, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:S/C:P/I:P/A:P", "authentication": "SINGLE", "integrityImpact": "PARTIAL", "accessComplexity": "MEDIUM", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 6.4, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 6.8, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}]}, "published": "2013-11-08T15:55:13.747", "references": [{"url": "http://lists.opensuse.org/opensuse-security-announce/2013-11/msg00017.html", "source": "secalert@redhat.com"}, {"url": "http://marc.info/?l=bugtraq&m=141576985122836&w=2", "source": "secalert@redhat.com"}, {"url": "http://marc.info/?l=bugtraq&m=141576985122836&w=2", "source": "secalert@redhat.com"}, {"url": "http://openwall.com/lists/oss-security/2013/11/08/3", "source": "secalert@redhat.com"}, {"url": "http://www.openssh.com/txt/gcmrekey.adv", "tags": ["Vendor Advisory"], "source": "secalert@redhat.com"}, {"url": "http://www.ubuntu.com/usn/USN-2014-1", "source": "secalert@redhat.com"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2013-11/msg00017.html", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://marc.info/?l=bugtraq&m=141576985122836&w=2", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://marc.info/?l=bugtraq&m=141576985122836&w=2", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://openwall.com/lists/oss-security/2013/11/08/3", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.openssh.com/txt/gcmrekey.adv", "tags": ["Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.ubuntu.com/usn/USN-2014-1", "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-264"}]}], "descriptions": [{"lang": "en", "value": "The mm_newkeys_from_blob function in monitor_wrap.c in sshd in OpenSSH 6.2 and 6.3, when an AES-GCM cipher is used, does not properly initialize memory for a MAC context data structure, which allows remote authenticated users to bypass intended ForceCommand and login-shell restrictions via packet data that provides a crafted callback address."}, {"lang": "es", "value": "La funci\u00f3n mm_newkeys_from_blob en monitor_wrap.c de sshd en OpenSSH 6.2 y 6.3, cuando se utiliza el cifrado AES-GCM, no inicia correctamente la memoria para una estructura de datos de contexto MAC, lo que permite a usuarios remotos autenticados evadir intencionadamente ForceCommand y restricciones login-shell a trav\u00e9s de un paquete de datos que proporciona una direcci\u00f3n de rellamada manipulada."}], "lastModified": "2024-11-21T01:55:48.490", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:openbsd:openssh:6.2:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "39D1E296-3040-4CC9-B95B-3E07D73F1150"}, {"criteria": "cpe:2.3:a:openbsd:openssh:6.3:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "FCEE2677-16EE-484F-B2FB-FCA377E0D76B"}], "operator": "OR"}]}], "sourceIdentifier": "secalert@redhat.com"}