CVE-2017-9226

{"id": "CVE-2017-9226", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 7.5, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": true, "impactScore": 6.4, "baseSeverity": "HIGH", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 3.9}]}, "published": "2017-05-24T15:29:00.277", "references": [{"url": "http://www.securityfocus.com/bid/101244", "tags": ["Third Party Advisory", "VDB Entry"], "source": "cve@mitre.org"}, {"url": "https://access.redhat.com/errata/RHSA-2018:1296", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://github.com/kkos/oniguruma/commit/b4bf968ad52afe14e60a2dc8a95d3555c543353a", "tags": ["Patch", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://github.com/kkos/oniguruma/commit/f015fbdd95f76438cd86366467bb2b39870dd7c6", "tags": ["Patch", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://github.com/kkos/oniguruma/issues/55", "tags": ["Exploit", "Issue Tracking", "Third Party Advisory"], "source": "cve@mitre.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-787"}]}], "descriptions": [{"lang": "en", "value": "An issue was discovered in Oniguruma 6.2.0, as used in Oniguruma-mod in Ruby through 2.4.1 and mbstring in PHP through 7.1.5. A heap out-of-bounds write or read occurs in next_state_val() during regular expression compilation. Octal numbers larger than 0xff are not handled correctly in fetch_token() and fetch_token_in_cc(). A malformed regular expression containing an octal number in the form of '\\700' would produce an invalid code point value larger than 0xff in next_state_val(), resulting in an out-of-bounds write memory corruption."}, {"lang": "es", "value": "Un problema fue encontrado en Oniguruma versi\u00f3n 6.2.0, tal y como es usado en Oniguruma-mod en Ruby hasta la versi\u00f3n 2.4.1 y mbstring en PHP hasta la versi\u00f3n 7.1.5. Un vulnerabilidad de lectura o escritura fuera de l\u00edmites de la pila ocurre en la funci\u00f3n next_state_val() durante la compilaci\u00f3n de expresi\u00f3n regular. Los n\u00fameros octales mayores que 0xff no se manejan apropiadamente en fetch_token() y fetch_token_in_cc(). Una expresi\u00f3n regular malformada que contenga un n\u00famero octal en forma de \u201c\\700\u201d producir\u00eda un valor de punto de c\u00f3digo no v\u00e1lido mayor que 0xff en next_state_val(), lo que dar\u00eda como resultado una corrupci\u00f3n de memoria de escritura fuera de l\u00edmites."}], "lastModified": "2022-07-20T16:38:18.940", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:oniguruma_project:oniguruma:6.2.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "71A9EC32-B30C-40DF-9937-654BC977DCC4"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:php:php:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "86CB20B2-9B73-47BA-B1B9-767961453F73", "versionEndExcluding": "5.6.31"}, {"criteria": "cpe:2.3:a:php:php:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "ABE3BCB8-C2C7-4E44-A4D2-AA1DAE9555DB", "versionEndExcluding": "7.0.21", "versionStartIncluding": "7.0.0"}, {"criteria": "cpe:2.3:a:php:php:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "5799FA9F-8C0B-4B86-9D2C-558DFF64AA6C", "versionEndExcluding": "7.1.7", "versionStartIncluding": "7.1.0"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}