{ "id": "CVE-2015-7941", "sourceIdentifier": "cve@mitre.org", "published": "2015-11-18T16:59:04.333", "lastModified": "2017-09-14T01:29:03.757", "vulnStatus": "Modified", "evaluatorComment": "\"context dependent\" seems to point to MiTM attack due to: If a user or automated system were tricked into opening a specially\ncrafted document, an attacker could possibly cause libxml2 to crash,\nresulting in a denial of service. This issue only affected\nUbuntu 12.04 LTS, Ubuntu 14.04 LTS and Ubuntu 15.04.", "descriptions": [ { "lang": "en", "value": "libxml2 2.9.2 does not properly stop parsing invalid input, which allows context-dependent attackers to cause a denial of service (out-of-bounds read and libxml2 crash) via crafted XML data to the (1) xmlParseEntityDecl or (2) xmlParseConditionalSections function in parser.c, as demonstrated by non-terminated entities." }, { "lang": "es", "value": "libxml2 2.9.2 no detiene adecuadamente el an\u00e1lisis de entrada no v\u00e1lido, lo que permite a atacantes dependientes del contexto causar una denegaci\u00f3n de servicio (lectura fuera de rango y ca\u00edda de libxml2) a trav\u00e9s de datos XML manipulados en la funci\u00f3n (1) xmlParseEntityDecl o (2) xmlParseConditionalSections en parser.c, seg\u00fan lo demostrado por entidades non-terminated." } ], "metrics": { "cvssMetricV2": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "2.0", "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P", "accessVector": "NETWORK", "accessComplexity": "MEDIUM", "authentication": "NONE", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 4.3 }, "baseSeverity": "MEDIUM", "exploitabilityScore": 8.6, "impactScore": 2.9, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": true } ] }, "weaknesses": [ { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-119" } ] } ], "configurations": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*", "matchCriteriaId": "B6B7CAD7-9D4E-4FDB-88E3-1E583210A01F" }, { "vulnerable": true, "criteria": "cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*", "matchCriteriaId": "B5A6F2F3-4894-4392-8296-3B8DD2679084" }, { "vulnerable": true, "criteria": "cpe:2.3:o:canonical:ubuntu_linux:15.04:*:*:*:*:*:*:*", "matchCriteriaId": "F38D3B7E-8429-473F-BB31-FC3583EE5A5B" } ] } ] }, { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:a:xmlsoft:libxml2:2.9.2:*:*:*:*:*:*:*", "matchCriteriaId": "DBBB6A7B-FEDF-4ECA-9BFC-FA4D44D57A9F" } ] } ] } ], "references": [ { "url": "http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177341.html", "source": "cve@mitre.org" }, { "url": "http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177381.html", "source": "cve@mitre.org" }, { "url": "http://lists.opensuse.org/opensuse-updates/2015-12/msg00120.html", "source": "cve@mitre.org" }, { "url": "http://lists.opensuse.org/opensuse-updates/2016-01/msg00031.html", "source": "cve@mitre.org" }, { "url": "http://marc.info/?l=bugtraq&m=145382616617563&w=2", "source": "cve@mitre.org" }, { "url": "http://rhn.redhat.com/errata/RHSA-2015-2549.html", "source": "cve@mitre.org" }, { "url": "http://rhn.redhat.com/errata/RHSA-2015-2550.html", "source": "cve@mitre.org" }, { "url": "http://rhn.redhat.com/errata/RHSA-2016-1089.html", "source": "cve@mitre.org" }, { "url": "http://www.debian.org/security/2015/dsa-3430", "source": "cve@mitre.org" }, { "url": "http://www.openwall.com/lists/oss-security/2015/10/22/5", "source": "cve@mitre.org" }, { "url": "http://www.openwall.com/lists/oss-security/2015/10/22/8", "source": "cve@mitre.org" }, { "url": "http://www.oracle.com/technetwork/topics/security/bulletinjan2016-2867206.html", "source": "cve@mitre.org" }, { "url": "http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html", "source": "cve@mitre.org" }, { "url": "http://www.securityfocus.com/bid/74241", "source": "cve@mitre.org" }, { "url": "http://www.securitytracker.com/id/1034243", "source": "cve@mitre.org" }, { "url": "http://www.ubuntu.com/usn/USN-2812-1", "source": "cve@mitre.org" }, { "url": "http://xmlsoft.org/news.html", "source": "cve@mitre.org" }, { "url": "https://bugzilla.gnome.org/show_bug.cgi?id=744980", "source": "cve@mitre.org" }, { "url": "https://git.gnome.org/browse/libxml2/commit/?id=9b8512337d14c8ddf662fcb98b0135f225a1c489", "source": "cve@mitre.org" }, { "url": "https://git.gnome.org/browse/libxml2/commit/?id=a7dfab7411cbf545f359dd3157e5df1eb0e7ce31", "source": "cve@mitre.org" }, { "url": "https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c04944172", "source": "cve@mitre.org" }, { "url": "https://security.gentoo.org/glsa/201701-37", "source": "cve@mitre.org" } ] }