{ "id": "CVE-2015-2694", "sourceIdentifier": "cve@mitre.org", "published": "2015-05-25T19:59:02.407", "lastModified": "2024-11-21T02:27:51.870", "vulnStatus": "Modified", "descriptions": [ { "lang": "en", "value": "The kdcpreauth modules in MIT Kerberos 5 (aka krb5) 1.12.x and 1.13.x before 1.13.2 do not properly track whether a client's request has been validated, which allows remote attackers to bypass an intended preauthentication requirement by providing (1) zero bytes of data or (2) an arbitrary realm name, related to plugins/preauth/otp/main.c and plugins/preauth/pkinit/pkinit_srv.c." }, { "lang": "es", "value": "Los m\u00f3dulos kdcpreauth en MIT Kerberos 5 (tambi\u00e9n conocido como krb5) 1.12.x y 1.13.x anterior a 1.13.2 no rastrea correctamente si la solicitud de un cliente ha sido validada, lo que permite a atacantes remotos evadir un requisito de preautenticaci\u00f3n mediante la provisi\u00f3n de (1) cero bytes de datos o (2) un nombre de \u00e1mbito (realm) arbitrario, relacionado con plugins/preauth/otp/main.c y plugins/preauth/pkinit/pkinit_srv.c." } ], "metrics": { "cvssMetricV2": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "2.0", "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:N", "baseScore": 5.8, "accessVector": "NETWORK", "accessComplexity": "MEDIUM", "authentication": "NONE", "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "availabilityImpact": "NONE" }, "baseSeverity": "MEDIUM", "exploitabilityScore": 8.6, "impactScore": 4.9, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false } ] }, "weaknesses": [ { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-264" } ] } ], "configurations": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:a:mit:kerberos_5:1.12:*:*:*:*:*:*:*", "matchCriteriaId": "79A9FAE9-7219-4D6A-9E94-FFE20223537D" }, { "vulnerable": true, "criteria": "cpe:2.3:a:mit:kerberos_5:1.12.1:*:*:*:*:*:*:*", "matchCriteriaId": "EA68BC90-FCFC-4C9B-8574-9029DB2358E9" }, { "vulnerable": true, "criteria": "cpe:2.3:a:mit:kerberos_5:1.12.2:*:*:*:*:*:*:*", "matchCriteriaId": "9D0A28CB-173D-4676-B083-E3718213B840" }, { "vulnerable": true, "criteria": "cpe:2.3:a:mit:kerberos_5:1.12.3:*:*:*:*:*:*:*", "matchCriteriaId": "AA3D2861-7EB7-4984-AC92-989B427BDB58" }, { "vulnerable": true, "criteria": "cpe:2.3:a:mit:kerberos_5:1.13:*:*:*:*:*:*:*", "matchCriteriaId": "169D00BD-344F-453C-BE7C-9DF0740080BB" }, { "vulnerable": true, "criteria": "cpe:2.3:a:mit:kerberos_5:1.13.1:*:*:*:*:*:*:*", "matchCriteriaId": "765B3248-A524-4A79-858C-E787C1C1599E" } ] } ] } ], "references": [ { "url": "http://krbdev.mit.edu/rt/Ticket/Display.html?id=8160", "source": "cve@mitre.org", "tags": [ "Vendor Advisory" ] }, { "url": "http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html", "source": "cve@mitre.org" }, { "url": "http://www.securityfocus.com/bid/74824", "source": "cve@mitre.org" }, { "url": "http://www.ubuntu.com/usn/USN-2810-1", "source": "cve@mitre.org" }, { "url": "https://github.com/krb5/krb5/commit/e3b5a5e5267818c97750b266df50b6a3d4649604", "source": "cve@mitre.org", "tags": [ "Vendor Advisory" ] }, { "url": "http://krbdev.mit.edu/rt/Ticket/Display.html?id=8160", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Vendor Advisory" ] }, { "url": "http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html", "source": "af854a3a-2127-422b-91ae-364da2661108" }, { "url": "http://www.securityfocus.com/bid/74824", "source": "af854a3a-2127-422b-91ae-364da2661108" }, { "url": "http://www.ubuntu.com/usn/USN-2810-1", "source": "af854a3a-2127-422b-91ae-364da2661108" }, { "url": "https://github.com/krb5/krb5/commit/e3b5a5e5267818c97750b266df50b6a3d4649604", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Vendor Advisory" ] } ] }