{"dataType": "CVE_RECORD", "dataVersion": "5.0", "cveMetadata": {"state": "PUBLISHED", "cveId": "CVE-2021-43312", "assignerOrgId": "92fb86c3-55a5-4fb5-9c3f-4757b9e96dc5", "assignerShortName": "fedora", "dateUpdated": "2023-03-24T00:00:00", "dateReserved": "2021-11-03T00:00:00", "datePublished": "2023-03-24T00:00:00"}, "containers": {"cna": {"providerMetadata": {"orgId": "92fb86c3-55a5-4fb5-9c3f-4757b9e96dc5", "shortName": "fedora", "dateUpdated": "2023-03-24T00:00:00"}, "descriptions": [{"lang": "en", "value": "A heap-based buffer overflow was discovered in upx, during the variable 'bucket' points to an inaccessible address. The issue is being triggered in the function PackLinuxElf64::invert_pt_dynamic at p_lx_elf.cpp:5239."}], "affected": [{"vendor": "n/a", "product": "upx", "versions": [{"version": "upx before 4.0.0-git-c6b9e3c62d15", "status": "affected"}]}], "references": [{"url": "https://github.com/upx/upx/issues/379"}], "problemTypes": [{"descriptions": [{"type": "CWE", "lang": "en", "description": "CWE-119", "cweId": "CWE-119"}]}]}}}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:upx_project:upx:*:*:*:*:*:*:*:*", "matchCriteriaId": "1E4C95CD-E2A9-47E3-9866-FD4B7ECF14AA", "versionEndExcluding": "4.0.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "A heap-based buffer overflow was discovered in upx, during the variable 'bucket' points to an inaccessible address. The issue is being triggered in the function PackLinuxElf64::invert_pt_dynamic at p_lx_elf.cpp:5239."}], "id": "CVE-2021-43312", "lastModified": "2023-03-28T18:06:01.347", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2023-03-24T20:15:08.270", "references": [{"source": "patrick@puiterwijk.org", "tags": ["Exploit", "Issue Tracking", "Patch"], "url": "https://github.com/upx/upx/issues/379"}], "sourceIdentifier": "patrick@puiterwijk.org", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-787"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-119"}], "source": "patrick@puiterwijk.org", "type": "Secondary"}]}

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