CVE-2016-3120

{"id": "CVE-2016-3120", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 4.0, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:P", "authentication": "SINGLE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 8.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV30": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.0", "baseScore": 6.5, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.0/AV:N/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": 2.8}]}, "published": "2016-08-01T02:59:12.370", "references": [{"url": "http://krbdev.mit.edu/rt/Ticket/Display.html?id=8458", "tags": ["Issue Tracking"], "source": "cve@mitre.org"}, {"url": "http://lists.opensuse.org/opensuse-updates/2016-09/msg00035.html", "source": "cve@mitre.org"}, {"url": "http://rhn.redhat.com/errata/RHSA-2016-2591.html", "source": "cve@mitre.org"}, {"url": "http://web.mit.edu/kerberos/krb5-1.13/", "source": "cve@mitre.org"}, {"url": "http://web.mit.edu/kerberos/krb5-1.14/", "source": "cve@mitre.org"}, {"url": "http://www.securityfocus.com/bid/92132", "source": "cve@mitre.org"}, {"url": "http://www.securitytracker.com/id/1036442", "source": "cve@mitre.org"}, {"url": "https://github.com/krb5/krb5/commit/93b4a6306a0026cf1cc31ac4bd8a49ba5d034ba7", "source": "cve@mitre.org"}, {"url": "https://lists.debian.org/debian-lts-announce/2018/01/msg00040.html", "source": "cve@mitre.org"}, {"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AWL3KYFRJIX37EAM4DKCQQIQP2WBKL35/", "source": "cve@mitre.org"}, {"url": "http://krbdev.mit.edu/rt/Ticket/Display.html?id=8458", "tags": ["Issue Tracking"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://lists.opensuse.org/opensuse-updates/2016-09/msg00035.html", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://rhn.redhat.com/errata/RHSA-2016-2591.html", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://web.mit.edu/kerberos/krb5-1.13/", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://web.mit.edu/kerberos/krb5-1.14/", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.securityfocus.com/bid/92132", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.securitytracker.com/id/1036442", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://github.com/krb5/krb5/commit/93b4a6306a0026cf1cc31ac4bd8a49ba5d034ba7", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://lists.debian.org/debian-lts-announce/2018/01/msg00040.html", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AWL3KYFRJIX37EAM4DKCQQIQP2WBKL35/", "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-476"}]}], "descriptions": [{"lang": "en", "value": "The validate_as_request function in kdc_util.c in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) before 1.13.6 and 1.4.x before 1.14.3, when restrict_anonymous_to_tgt is enabled, uses an incorrect client data structure, which allows remote authenticated users to cause a denial of service (NULL pointer dereference and daemon crash) via an S4U2Self request."}, {"lang": "es", "value": "La funci\u00f3n validate_as_request en kdc_util.c en el Key Distribution Center (KDC) en MIT Kerberos 5 (tambi\u00e9n conocido como krb5) en versiones anteriores a 1.13.6 y 1.4.x en versiones anteriores a 1.14.3, cuando restrict_anonymous_to_tgt est\u00e1 activo, utiliza una estructura de datos de clientes incorrecta, lo que permite a usuarios remotos autenticados provocar una denegaci\u00f3n de servicio (referencia al puntero NULO y ca\u00edda de daemon) a trav\u00e9s de una petici\u00f3n S4U2Selft."}], "lastModified": "2024-11-21T02:49:25.300", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:mit:kerberos_5:1.13:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "169D00BD-344F-453C-BE7C-9DF0740080BB"}, {"criteria": "cpe:2.3:a:mit:kerberos_5:1.13.1:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "765B3248-A524-4A79-858C-E787C1C1599E"}, {"criteria": "cpe:2.3:a:mit:kerberos_5:1.13.2:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "BF1BB0AB-2C22-49F9-9D2A-074D2F711BA8"}, {"criteria": "cpe:2.3:a:mit:kerberos_5:1.13.3:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C8EC001E-9507-410D-836F-93002789D574"}, {"criteria": "cpe:2.3:a:mit:kerberos_5:1.13.4:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "CC0939BF-9ACB-41A7-9B48-0FBF1176C8CB"}, {"criteria": "cpe:2.3:a:mit:kerberos_5:1.13.5:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "0037EF80-A599-4938-889F-9276E339A8E0"}, {"criteria": "cpe:2.3:a:mit:kerberos_5:1.13.6:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "1CABFE58-4811-49EC-8565-35EB7D5F6F4C"}, {"criteria": "cpe:2.3:a:mit:kerberos_5:1.14:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "6E30B176-1FE5-4C53-8B79-2E6D87DF05B3"}, {"criteria": "cpe:2.3:a:mit:kerberos_5:1.14.1:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E650B5A3-99CA-491B-A1FB-259EF548D92E"}, {"criteria": "cpe:2.3:a:mit:kerberos_5:1.14.2:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "091F3C51-980E-482F-9882-0A555A8F74BC"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}