{ "id": "CVE-2015-2326", "sourceIdentifier": "cve@mitre.org", "published": "2020-01-14T17:15:12.177", "lastModified": "2023-01-19T16:38:17.207", "vulnStatus": "Analyzed", "descriptions": [ { "lang": "en", "value": "The pcre_compile2 function in PCRE before 8.37 allows context-dependent attackers to compile incorrect code and cause a denial of service (out-of-bounds read) via regular expression with a group containing both a forward referencing subroutine call and a recursive back reference, as demonstrated by \"((?+1)(\\1))/\"." }, { "lang": "es", "value": "La funci\u00f3n pcre_compile2 en PCRE versiones anteriores a 8.37, permite a atacantes dependiendo del contexto compilar c\u00f3digo incorrecto y causar una denegaci\u00f3n de servicio (lectura fuera de l\u00edmites) mediante una expresi\u00f3n regular con un grupo que contiene una llamada de subrutina de referencia directa y una referencia inversa recursiva, como es demostrado por \"((? +1)(\\1))/\"." } ], "metrics": { "cvssMetricV31": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM" }, "exploitabilityScore": 1.8, "impactScore": 3.6 } ], "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-125" } ] } ], "configurations": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:a:pcre:pcre:*:*:*:*:*:*:*:*", "versionEndExcluding": "8.37", "matchCriteriaId": "380663D5-622F-49F1-8BA2-5BC5D64EA947" } ] } ] }, { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:opensuse:opensuse:13.1:*:*:*:*:*:*:*", "matchCriteriaId": "A10BC294-9196-425F-9FB0-B1625465B47F" }, { "vulnerable": true, "criteria": "cpe:2.3:o:opensuse:opensuse:13.2:*:*:*:*:*:*:*", "matchCriteriaId": "03117DF1-3BEC-4B8D-AD63-DBBDB2126081" } ] } ] }, { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:a:mariadb:mariadb:*:*:*:*:*:*:*:*", "versionStartIncluding": "10.0.0", "versionEndExcluding": "10.0.18", "matchCriteriaId": "29467705-2765-41F2-8466-93FB1A88ABD5" } ] } ] }, { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:a:php:php:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.4.0", "versionEndExcluding": "5.4.41", "matchCriteriaId": "94FE4BDA-52E7-4E77-88E7-82058ECEF840" }, { "vulnerable": true, "criteria": "cpe:2.3:a:php:php:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.5.0", "versionEndExcluding": "5.5.26", "matchCriteriaId": "3573200F-9588-413E-90CB-E35C5A510D2C" }, { "vulnerable": true, "criteria": "cpe:2.3:a:php:php:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.6.0", "versionEndExcluding": "5.6.9", "matchCriteriaId": "3BBA8BEC-B2AF-43B2-BF75-0F6AEC5595BF" } ] } ] } ], "references": [ { "url": "http://lists.opensuse.org/opensuse-updates/2015-05/msg00014.html", "source": "cve@mitre.org", "tags": [ "Mailing List", "Third Party Advisory" ] }, { "url": "https://bugs.exim.org/show_bug.cgi?id=1592", "source": "cve@mitre.org", "tags": [ "Exploit", "Issue Tracking", "Permissions Required", "Third Party Advisory" ] }, { "url": "https://fortiguard.com/zeroday/FG-VD-15-016", "source": "cve@mitre.org", "tags": [ "Third Party Advisory" ] }, { "url": "https://www.pcre.org/original/changelog.txt", "source": "cve@mitre.org", "tags": [ "Release Notes", "Third Party Advisory" ] } ] }