{ "id": "CVE-2018-18586", "sourceIdentifier": "cve@mitre.org", "published": "2018-10-23T02:29:00.700", "lastModified": "2023-11-07T02:55:19.257", "vulnStatus": "Modified", "descriptions": [ { "lang": "en", "value": "chmextract.c in the chmextract sample program, as distributed with libmspack before 0.8alpha, does not protect against absolute/relative pathnames in CHM files, leading to Directory Traversal. NOTE: the vendor disputes that this is a libmspack vulnerability, because chmextract.c was only intended as a source-code example, not a supported application" }, { "lang": "es", "value": "** EN DISPUTA ** chmextract.c en el programa de muestra chmextract, tal y como se distribuye en libmspack en versiones anteriores a la 0.8alpha, no protege contra nombres de ruta absoluta/relativa en archivos CHM, lo que conduce a un salto de directorio. NOTA: el fabricante discute que esto sea una vulnerabilidad en libmspack, ya que chmextract.c solo se dise\u00f1\u00f3 como ejemplo de c\u00f3digo abierto, no una aplicaci\u00f3n soportada." } ], "metrics": { "cvssMetricV30": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "3.0", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "availabilityImpact": "NONE", "baseScore": 5.3, "baseSeverity": "MEDIUM" }, "exploitabilityScore": 3.9, "impactScore": 1.4 } ], "cvssMetricV2": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "2.0", "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N", "accessVector": "NETWORK", "accessComplexity": "LOW", "authentication": "NONE", "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "availabilityImpact": "NONE", "baseScore": 5.0 }, "baseSeverity": "MEDIUM", "exploitabilityScore": 10.0, "impactScore": 2.9, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false } ] }, "weaknesses": [ { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-22" } ] } ], "configurations": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:a:kyzer:libmspack:0.3:alpha:*:*:*:*:*:*", "matchCriteriaId": "A8922C30-64ED-4C15-999E-58AB0812814C" }, { "vulnerable": true, "criteria": "cpe:2.3:a:kyzer:libmspack:0.4:alpha:*:*:*:*:*:*", "matchCriteriaId": "979ED5F0-4DE8-4091-BFD5-CD98AFF2BB43" }, { "vulnerable": true, "criteria": "cpe:2.3:a:kyzer:libmspack:0.5:alpha:*:*:*:*:*:*", "matchCriteriaId": "F9DBC30C-9FC0-4471-B63B-0E948E2569C6" }, { "vulnerable": true, "criteria": "cpe:2.3:a:kyzer:libmspack:0.6:alpha:*:*:*:*:*:*", "matchCriteriaId": "880442E9-7E36-4A6E-AA77-2310750AE21E" }, { "vulnerable": true, "criteria": "cpe:2.3:a:kyzer:libmspack:0.7:alpha:*:*:*:*:*:*", "matchCriteriaId": "BE5A7D47-85EC-4045-9FB4-369CCD4044B2" } ] } ] } ], "references": [ { "url": "https://bugs.debian.org/911639", "source": "cve@mitre.org", "tags": [ "Mailing List", "Third Party Advisory" ] }, { "url": "https://github.com/kyz/libmspack/commit/7cadd489698be117c47efcadd742651594429e6d", "source": "cve@mitre.org", "tags": [ "Exploit", "Vendor Advisory" ] }, { "url": "https://security.gentoo.org/glsa/201903-20", "source": "cve@mitre.org", "tags": [ "Third Party Advisory" ] }, { "url": "https://www.openwall.com/lists/oss-security/2018/10/22/1", "source": "cve@mitre.org", "tags": [ "Mailing List", "Third Party Advisory" ] } ] }