{"containers": {"cna": {"affected": [{"product": "upx", "vendor": "n/a", "versions": [{"status": "affected", "version": "upx 4.0.0-git-87b73e5cfdc1+"}]}], "descriptions": [{"lang": "en", "value": "A heap-based buffer over-read was discovered in the get_le32 function in bele.h in UPX 4.0.0 via a crafted Mach-O file."}], "problemTypes": [{"descriptions": [{"cweId": "CWE-119", "description": "CWE-119", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2022-08-25T19:37:54.000Z", "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://github.com/upx/upx/issues/395"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "secalert@redhat.com", "ID": "CVE-2020-27800", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "upx", "version": {"version_data": [{"version_value": "upx 4.0.0-git-87b73e5cfdc1+"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "A heap-based buffer over-read was discovered in the get_le32 function in bele.h in UPX 4.0.0 via a crafted Mach-O file."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-119"}]}]}, "references": {"reference_data": [{"name": "https://github.com/upx/upx/issues/395", "refsource": "MISC", "url": "https://github.com/upx/upx/issues/395"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T16:25:43.759Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/upx/upx/issues/395"}]}]}, "cveMetadata": {"assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "assignerShortName": "redhat", "cveId": "CVE-2020-27800", "datePublished": "2022-08-25T19:37:54.000Z", "dateReserved": "2020-10-27T00:00:00.000Z", "dateUpdated": "2024-08-04T16:25:43.759Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{}

{"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"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A heap-based buffer over-read was discovered in the get_le32 function in bele.h in UPX 4.0.0 via a crafted Mach-O file."}, {"lang": "es", "value": "Se ha detectado una lectura excesiva del b\u00fafer en la regi\u00f3n heap de la memoria en la funci\u00f3n get_le32 en el archivo bele.h en UPX versi\u00f3n 4.0.0, por medio de un archivo Mach-O dise\u00f1ado."}], "id": "CVE-2020-27800", "lastModified": "2025-04-11T12:27:55.013", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2022-08-25T20:15:08.677", "references": [{"source": "secalert@redhat.com", "tags": ["Exploit", "Issue Tracking", "Third Party Advisory"], "url": "https://github.com/upx/upx/issues/395"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Issue Tracking", "Third Party Advisory"], "url": "https://github.com/upx/upx/issues/395"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-119"}], "source": "secalert@redhat.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-125"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{}

{}