CVE-2019-20454

{"id": "CVE-2019-20454", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 5.0, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV30": [{"type": "Secondary", "source": "cve@mitre.org", "cvssData": {"scope": "UNCHANGED", "version": "3.0", "baseScore": 5.1, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 1.4}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 3.9}]}, "published": "2020-02-14T14:15:10.593", "references": [{"url": "https://bugs.exim.org/show_bug.cgi?id=2421", "tags": ["Issue Tracking", "Permissions Required", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://bugs.php.net/bug.php?id=78338", "tags": ["Exploit", "Issue Tracking", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1735494", "tags": ["Issue Tracking", "Patch", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://lists.debian.org/debian-lts-announce/2023/03/msg00014.html", "tags": ["Mailing List", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OQRAHYHLRNMBTPR3KXVM27NSZP3KTOPI/", "tags": ["Mailing List", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://security.gentoo.org/glsa/202006-16", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://vcs.pcre.org/pcre2?view=revision&revision=1092", "tags": ["Broken Link", "Patch"], "source": "cve@mitre.org"}, {"url": "https://bugs.exim.org/show_bug.cgi?id=2421", "tags": ["Issue Tracking", "Permissions Required", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://bugs.php.net/bug.php?id=78338", "tags": ["Exploit", "Issue Tracking", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1735494", "tags": ["Issue Tracking", "Patch", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://lists.debian.org/debian-lts-announce/2023/03/msg00014.html", "tags": ["Mailing List", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OQRAHYHLRNMBTPR3KXVM27NSZP3KTOPI/", "tags": ["Mailing List", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://security.gentoo.org/glsa/202006-16", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://vcs.pcre.org/pcre2?view=revision&revision=1092", "tags": ["Broken Link", "Patch"], "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": "An out-of-bounds read was discovered in PCRE before 10.34 when the pattern \\X is JIT compiled and used to match specially crafted subjects in non-UTF mode. Applications that use PCRE to parse untrusted input may be vulnerable to this flaw, which would allow an attacker to crash the application. The flaw occurs in do_extuni_no_utf in pcre2_jit_compile.c."}, {"lang": "es", "value": "Se detect\u00f3 una lectura fuera de l\u00edmites en PCRE versiones anteriores a 10.34, cuando el patr\u00f3n \\X es compilado en JIT y usado para hacer coincidir temas especialmente dise\u00f1ados en modo no UTF. Las aplicaciones que utilizan PCRE para analizar entradas no confiables pueden ser vulnerables a este fallo, lo que permitir\u00eda a un atacante bloquear la aplicaci\u00f3n. El fallo ocurre en la funci\u00f3n do_extuni_no_utf en el archivo pcre2_jit_compile.c."}], "lastModified": "2024-11-21T04:38:31.003", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:pcre:pcre2:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "74DDD7EA-B855-4B1E-BFEA-27D65C2483FE", "versionEndExcluding": "10.34", "versionStartIncluding": "10.31"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "80F0FA5D-8D3B-4C0E-81E2-87998286AF33"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:splunk:universal_forwarder:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "5722E753-75DE-4944-A11B-556CB299B57D", "versionEndExcluding": "8.2.12", "versionStartIncluding": "8.2.0"}, {"criteria": "cpe:2.3:a:splunk:universal_forwarder:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "DC0F9351-81A4-4FEA-B6B5-6E960A933D32", "versionEndExcluding": "9.0.6", "versionStartIncluding": "9.0.0"}, {"criteria": "cpe:2.3:a:splunk:universal_forwarder:9.1.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "EED24E67-2957-4C1B-8FEA-E2D2FE7B97FC"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}