CVE-2017-17426

{"id": "CVE-2017-17426", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 6.8, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "MEDIUM", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 6.4, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 8.6, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV30": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.0", "baseScore": 8.1, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 2.2}]}, "published": "2017-12-05T17:29:00.940", "references": [{"url": "https://sourceware.org/bugzilla/show_bug.cgi?id=22375", "tags": ["Exploit", "Issue Tracking"], "source": "cve@mitre.org"}, {"url": "https://sourceware.org/git/gitweb.cgi?p=glibc.git%3Bh=34697694e8a93b325b18f25f7dcded55d6baeaf6", "source": "cve@mitre.org"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-190"}]}], "descriptions": [{"lang": "en", "value": "The malloc function in the GNU C Library (aka glibc or libc6) 2.26 could return a memory block that is too small if an attempt is made to allocate an object whose size is close to SIZE_MAX, potentially leading to a subsequent heap overflow. This occurs because the per-thread cache (aka tcache) feature enables a code path that lacks an integer overflow check."}, {"lang": "es", "value": "La funci\u00f3n malloc en GNU C Library (tambi\u00e9n conocida como glibc o libc6) 2.26 podr\u00eda devolver un bloque de memoria demasiado peque\u00f1o si se intenta asignar un objeto cuyo tama\u00f1o se acerca a SIZE_MAX. Esto podr\u00eda conducir a un desbordamiento de memoria din\u00e1mica (heap). Esto ocurre debido a que la caracter\u00edstica de cach\u00e9 per-thread (tambi\u00e9n conocida como tcache) habilita una ruta de c\u00f3digo a la que le falta una comprobaci\u00f3n de desbordamiento de enteros."}], "lastModified": "2023-11-07T02:41:42.760", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:gnu:glibc:2.26:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "7B1B17E4-66FB-48F1-A417-2B502955257A"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}