CVE-2017-13720

{"id": "CVE-2017-13720", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 3.6, "accessVector": "LOCAL", "vectorString": "AV:L/AC:L/Au:N/C:P/I:N/A:P", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 4.9, "baseSeverity": "LOW", "obtainAllPrivilege": false, "exploitabilityScore": 3.9, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV30": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.0", "baseScore": 7.1, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.2, "exploitabilityScore": 1.8}]}, "published": "2017-10-11T17:29:00.303", "references": [{"url": "http://www.debian.org/security/2017/dsa-3995", "source": "cve@mitre.org"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1500690", "tags": ["Issue Tracking", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://bugzilla.suse.com/show_bug.cgi?id=1054285", "tags": ["Issue Tracking", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://cgit.freedesktop.org/xorg/lib/libXfont/commit/?id=d1e670a4a8704b8708e493ab6155589bcd570608", "tags": ["Patch", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://security.gentoo.org/glsa/201711-08", "source": "cve@mitre.org"}, {"url": "https://www.x.org/releases/individual/lib/libXfont2-2.0.2.tar.bz2", "tags": ["Vendor Advisory"], "source": "cve@mitre.org"}, {"url": "http://www.debian.org/security/2017/dsa-3995", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1500690", "tags": ["Issue Tracking", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://bugzilla.suse.com/show_bug.cgi?id=1054285", "tags": ["Issue Tracking", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://cgit.freedesktop.org/xorg/lib/libXfont/commit/?id=d1e670a4a8704b8708e493ab6155589bcd570608", "tags": ["Patch", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://security.gentoo.org/glsa/201711-08", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://www.x.org/releases/individual/lib/libXfont2-2.0.2.tar.bz2", "tags": ["Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-125"}]}], "descriptions": [{"lang": "en", "value": "In the PatternMatch function in fontfile/fontdir.c in libXfont through 1.5.2 and 2.x before 2.0.2, an attacker with access to an X connection can cause a buffer over-read during pattern matching of fonts, leading to information disclosure or a crash (denial of service). This occurs because '\\0' characters are incorrectly skipped in situations involving ? characters."}, {"lang": "es", "value": "En la funci\u00f3n PatternMatch en fontfile/fontdir.c en libXfont, en versiones hasta la 1.5.2 y versiones 2.x hasta la 2.0.2, un atacante con acceso a una conexi\u00f3n X puede provocar una sobrelectura de b\u00fafer durante una comparaci\u00f3n de patrones de fuentes, lo que da lugar a una revelaci\u00f3n de informaci\u00f3n o cierre inesperado (denegaci\u00f3n de servicio). Esto ocurre porque se omiten de manera incorrecta los caracteres \"\\0\" en situaciones en las que existen caracteres ?."}], "lastModified": "2024-11-21T03:11:30.523", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:x.org:libxfont:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "94159B28-552B-449D-BAD5-AED275362D64", "versionEndIncluding": "1.5.2"}, {"criteria": "cpe:2.3:a:x.org:libxfont:2.0.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B9D9133B-6806-4947-B43F-F13FE6FA1FE7"}, {"criteria": "cpe:2.3:a:x.org:libxfont:2.0.1:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "93F2E32E-A188-4EB6-929D-CF74271011C1"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}