{ "id": "CVE-2020-21047", "sourceIdentifier": "cve@mitre.org", "published": "2023-08-22T19:16:09.657", "lastModified": "2023-08-24T21:56:20.380", "vulnStatus": "Analyzed", "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." } ], "metrics": { "cvssMetricV31": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM" }, "exploitabilityScore": 1.8, "impactScore": 3.6 } ] }, "weaknesses": [ { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-787" } ] } ], "configurations": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:a:elfutils_project:elfutils:0.177:*:*:*:*:*:*:*", "matchCriteriaId": "79E8381A-EABD-4085-B282-14AB4B5A0B0E" } ] } ] } ], "references": [ { "url": "https://sourceware.org/bugzilla/show_bug.cgi?id=25068", "source": "cve@mitre.org", "tags": [ "Issue Tracking" ] }, { "url": "https://sourceware.org/git/?p=elfutils.git;a=commitdiff;h=99dc63b10b3878616b85df2dfd2e4e7103e414b8", "source": "cve@mitre.org", "tags": [ "Patch" ] } ] }