{ "id": "CVE-2019-7148", "sourceIdentifier": "cve@mitre.org", "published": "2019-01-29T00:29:00.347", "lastModified": "2020-08-24T17:37:01.140", "vulnStatus": "Modified", "descriptions": [ { "lang": "en", "value": "An attempted excessive memory allocation was discovered in the function read_long_names in elf_begin.c in libelf in elfutils 0.174. Remote attackers could leverage this vulnerability to cause a denial-of-service via crafted elf input, which leads to an out-of-memory exception. NOTE: The maintainers believe this is not a real issue, but instead a \"warning caused by ASAN because the allocation is big. By setting ASAN_OPTIONS=allocator_may_return_null=1 and running the reproducer, nothing happens.\"" }, { "lang": "es", "value": "Se ha descubierto un intento de asignaci\u00f3n de memoria excesiva en la funci\u00f3n read_long_names en elf_begin.c en libelf en la versi\u00f3n 0.174 de elfutils. Los atacantes remotos podr\u00edan aprovechar esta vulnerabilidad para provocar una denegaci\u00f3n de servicio (DoS) mediante entradas elf manipuladas, lo que conduce a una excepci\u00f3n fuera de memoria. NOTA: Los mantenedores creen que este no es un fallo real, sino un \"aviso provocado por ASAN debido a que la asignaci\u00f3n es grande. Al establecer SAN_OPTIONS=allocator_may_return_null=1 y ejecutar el reproductor, no ocurre nada\"" } ], "metrics": { "cvssMetricV30": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "3.0", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH", "baseScore": 6.5, "baseSeverity": "MEDIUM" }, "exploitabilityScore": 2.8, "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-770" } ] } ], "configurations": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:a:elfutils_project:elfutils:0.174:*:*:*:*:*:*:*", "matchCriteriaId": "FFA4335E-EB87-4400-A28A-93A7B03AEC43" } ] } ] } ], "references": [ { "url": "https://sourceware.org/bugzilla/show_bug.cgi?id=24085", "source": "cve@mitre.org", "tags": [ "Exploit", "Issue Tracking", "Third Party Advisory" ] } ] }