CVE-2021-30501

{"containers": {"cna": {"affected": [{"product": "upx", "vendor": "n/a", "versions": [{"status": "affected", "version": "upx 4.0"}]}], "descriptions": [{"lang": "en", "value": "An assertion abort was found in upx MemBuffer::alloc() in mem.cpp, in version UPX 4.0.0. The flow allows attackers to cause a denial of service (abort) via a crafted file."}], "problemTypes": [{"descriptions": [{"cweId": "CWE-20", "description": "CWE-20", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2021-05-26T23:54:30.000Z", "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1948696"}, {"tags": ["x_refsource_MISC"], "url": "https://github.com/upx/upx/issues/486"}, {"tags": ["x_refsource_MISC"], "url": "https://github.com/upx/upx/pull/487"}, {"tags": ["x_refsource_MISC"], "url": "https://github.com/upx/upx/commit/28e761cd42211dfe0124b7a29b2f74730f453e46"}]}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T22:32:41.143Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1948696"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/upx/upx/issues/486"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/upx/upx/pull/487"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/upx/upx/commit/28e761cd42211dfe0124b7a29b2f74730f453e46"}]}]}, "cveMetadata": {"assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "assignerShortName": "redhat", "cveId": "CVE-2021-30501", "datePublished": "2021-05-26T23:54:30.000Z", "dateReserved": "2021-04-12T00:00:00.000Z", "dateUpdated": "2024-08-03T22:32:41.143Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"product": "upx", "vendor": "n/a", "versions": [{"status": "affected", "version": "upx 4.0"}]}], "source": "secalert@redhat.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:upx:upx:4.0.0:*:*:*:*:*:*:*", "matchCriteriaId": "82490EE3-906C-49A6-836B-1DB2E4457C7C", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*", "matchCriteriaId": "142AD0DD-4CF3-4D74-9442-459CE3347E3A", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*", "matchCriteriaId": "E460AA51-FCDA-46B9-AE97-E6676AA5E194", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "An assertion abort was found in upx MemBuffer::alloc() in mem.cpp, in version UPX 4.0.0. The flow allows attackers to cause a denial of service (abort) via a crafted file."}, {"lang": "es", "value": "Se encontr\u00f3 un aborto de aserci\u00f3n en upx, en la funci\u00f3n MemBuffer::alloc() en el archivo mem.cpp, en UPX versi\u00f3n 4.0.0. El flujo permite a atacantes causar una denegaci\u00f3n de servicio (abortar) por medio de un archivo dise\u00f1ado"}], "id": "CVE-2021-30501", "lastModified": "2026-06-17T03:50:21.117", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 4.3, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": true}], "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": "2021-05-27T00:15:08.527", "references": [{"source": "secalert@redhat.com", "tags": ["Issue Tracking", "Patch", "Third Party Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1948696"}, {"source": "secalert@redhat.com", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/upx/upx/commit/28e761cd42211dfe0124b7a29b2f74730f453e46"}, {"source": "secalert@redhat.com", "tags": ["Exploit", "Issue Tracking", "Third Party Advisory"], "url": "https://github.com/upx/upx/issues/486"}, {"source": "secalert@redhat.com", "tags": ["Exploit", "Patch", "Third Party Advisory"], "url": "https://github.com/upx/upx/pull/487"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Patch", "Third Party Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1948696"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/upx/upx/commit/28e761cd42211dfe0124b7a29b2f74730f453e46"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Issue Tracking", "Third Party Advisory"], "url": "https://github.com/upx/upx/issues/486"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Patch", "Third Party Advisory"], "url": "https://github.com/upx/upx/pull/487"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-20"}], "source": "secalert@redhat.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-617"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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