{"dataType": "CVE_RECORD", "dataVersion": "5.0", "cveMetadata": {"state": "PUBLISHED", "cveId": "CVE-2020-21047", "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "dateUpdated": "2023-09-23T19:06:12.439688", "dateReserved": "2020-08-13T00:00:00", "datePublished": "2023-08-22T00:00:00"}, "containers": {"cna": {"providerMetadata": {"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre", "dateUpdated": "2023-09-23T19:06:12.439688"}, "descriptions": [{"lang": "en", "value": "The libcpu component which is used by libasm of elfutils version 0.177 (git 47780c9e), suffers from denial-of-service vulnerability caused by application crashes due to out-of-bounds write (CWE-787), off-by-one error (CWE-193) and reachable assertion (CWE-617); to exploit the vulnerability, the attackers need to craft certain ELF files which bypass the missing bound checks."}], "affected": [{"vendor": "n/a", "product": "n/a", "versions": [{"version": "n/a", "status": "affected"}]}], "references": [{"url": "https://sourceware.org/bugzilla/show_bug.cgi?id=25068"}, {"url": "https://sourceware.org/git/?p=elfutils.git%3Ba=commitdiff%3Bh=99dc63b10b3878616b85df2dfd2e4e7103e414b8"}, {"name": "[debian-lts-announce] 20230923 [SECURITY] [DLA 3579-1] elfutils security update", "tags": ["mailing-list"], "url": "https://lists.debian.org/debian-lts-announce/2023/09/msg00026.html"}], "problemTypes": [{"descriptions": [{"type": "text", "lang": "en", "description": "n/a"}]}]}}}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:elfutils_project:elfutils:0.177:*:*:*:*:*:*:*", "matchCriteriaId": "79E8381A-EABD-4085-B282-14AB4B5A0B0E", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "The libcpu component which is used by libasm of elfutils version 0.177 (git 47780c9e), suffers from denial-of-service vulnerability caused by application crashes due to out-of-bounds write (CWE-787), off-by-one error (CWE-193) and reachable assertion (CWE-617); to exploit the vulnerability, the attackers need to craft certain ELF files which bypass the missing bound checks."}, {"lang": "es", "value": "El componente libcpu que es utilizado por libasm de elfutils versi\u00f3n 0.177 (git 47780c9e), sufre de una vulnerabilidad de denegaci\u00f3n de servicio causada por ca\u00eddas de la aplicaci\u00f3n debido a una escritura fuera de l\u00edmites (CWE-787), por el error off-by-one (CWE-193) y por una aserci\u00f3n alcanzable (CWE-617). Para explotar la vulnerabilidad, los atacantes necesitan crear ciertos archivos ELF que eludan las comprobaciones de l\u00edmites faltantes. "}], "id": "CVE-2020-21047", "lastModified": "2023-11-07T03:19:43.020", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2023-08-22T19:16:09.657", "references": [{"source": "cve@mitre.org", "url": "https://lists.debian.org/debian-lts-announce/2023/09/msg00026.html"}, {"source": "cve@mitre.org", "tags": ["Issue Tracking"], "url": "https://sourceware.org/bugzilla/show_bug.cgi?id=25068"}, {"source": "cve@mitre.org", "url": "https://sourceware.org/git/?p=elfutils.git%3Ba=commitdiff%3Bh=99dc63b10b3878616b85df2dfd2e4e7103e414b8"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-787"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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