{ "id": "CVE-2017-15671", "sourceIdentifier": "cve@mitre.org", "published": "2017-10-20T17:29:00.287", "lastModified": "2019-10-03T00:03:26.223", "vulnStatus": "Modified", "descriptions": [ { "lang": "en", "value": "The glob function in glob.c in the GNU C Library (aka glibc or libc6) before 2.27, when invoked with GLOB_TILDE, could skip freeing allocated memory when processing the ~ operator with a long user name, potentially leading to a denial of service (memory leak)." }, { "lang": "es", "value": "La funci\u00f3n glob en glob.c en la biblioteca GNU C (tambi\u00e9n llamada glibc o libc6) en versiones anteriores a la 2.27, cuando se invoca con GLOB_TILDE, podr\u00eda omitir la liberaci\u00f3n de memoria asignada cuando procesa el operador ~ con un nombre de usuario largo, conduciendo potencialmente a una denegaci\u00f3n de servicio (fuga de memoria)." } ], "metrics": { "cvssMetricV30": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "3.0", "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H", "attackVector": "NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH", "baseScore": 5.9, "baseSeverity": "MEDIUM" }, "exploitabilityScore": 2.2, "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": false } ] }, "weaknesses": [ { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-772" } ] } ], "configurations": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:a:gnu:glibc:*:*:*:*:*:*:*:*", "versionEndIncluding": "2.26", "matchCriteriaId": "495E9424-0BBA-4820-B793-031DDAC80417" } ] } ] } ], "references": [ { "url": "http://www.securityfocus.com/bid/101517", "source": "cve@mitre.org" }, { "url": "https://sourceware.org/bugzilla/show_bug.cgi?id=22325", "source": "cve@mitre.org", "tags": [ "Issue Tracking", "Patch", "Third Party Advisory" ] } ] }