{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"state": "PUBLISHED", "cveId": "CVE-2021-31566", "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "assignerShortName": "redhat", "dateUpdated": "2024-08-03T23:03:33.486Z", "dateReserved": "2021-12-16T00:00:00", "datePublished": "2022-08-23T00:00:00"}, "containers": {"cna": {"providerMetadata": {"orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat", "dateUpdated": "2022-11-22T00:00:00"}, "descriptions": [{"lang": "en", "value": "An improper link resolution flaw can occur while extracting an archive leading to changing modes, times, access control lists, and flags of a file outside of the archive. An attacker may provide a malicious archive to a victim user, who would trigger this flaw when trying to extract the archive. A local attacker may use this flaw to gain more privileges in a system."}], "affected": [{"vendor": "n/a", "product": "libarchive", "versions": [{"version": "Fixed in libarchive 3.5.2", "status": "affected"}]}], "references": [{"url": "https://github.com/libarchive/libarchive/issues/1566"}, {"url": "https://github.com/libarchive/libarchive/commit/b41daecb5ccb4c8e3b2c53fd6147109fc12c3043"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2024237"}, {"url": "https://access.redhat.com/security/cve/CVE-2021-31566"}, {"name": "[debian-lts-announce] 20221122 [SECURITY] [DLA 3202-1] libarchive security update", "tags": ["mailing-list"], "url": "https://lists.debian.org/debian-lts-announce/2022/11/msg00030.html"}], "problemTypes": [{"descriptions": [{"type": "CWE", "lang": "en", "description": "CWE-59 - Improper Link Resolution Before File Access ('Link Following')", "cweId": "CWE-59"}]}]}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T23:03:33.486Z"}, "title": "CVE Program Container", "references": [{"url": "https://github.com/libarchive/libarchive/issues/1566", "tags": ["x_transferred"]}, {"url": "https://github.com/libarchive/libarchive/commit/b41daecb5ccb4c8e3b2c53fd6147109fc12c3043", "tags": ["x_transferred"]}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2024237", "tags": ["x_transferred"]}, {"url": "https://access.redhat.com/security/cve/CVE-2021-31566", "tags": ["x_transferred"]}, {"name": "[debian-lts-announce] 20221122 [SECURITY] [DLA 3202-1] libarchive security update", "tags": ["mailing-list", "x_transferred"], "url": "https://lists.debian.org/debian-lts-announce/2022/11/msg00030.html"}]}]}}

{}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:libarchive:libarchive:*:*:*:*:*:*:*:*", "matchCriteriaId": "A55FBDE8-F405-4C72-BCDC-756873D578C9", "versionEndExcluding": "3.5.2", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*", "matchCriteriaId": "80E516C0-98A4-4ADE-B69F-66A772E2BAAA", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*", "matchCriteriaId": "F4CFF558-3C47-480D-A2F0-BABF26042943", "vulnerable": true}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_eus:8.6:*:*:*:*:*:*:*", "matchCriteriaId": "6C3741B8-851F-475D-B428-523F4F722350", "vulnerable": true}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems:8.0:*:*:*:*:*:*:*", "matchCriteriaId": "87C21FE1-EA5C-498F-9C6C-D05F91A88217", "vulnerable": true}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems_eus:8.6:*:*:*:*:*:*:*", "matchCriteriaId": "9EF5C4AC-CA69-41E3-AD93-7AC21931374A", "vulnerable": true}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian:8.0:*:*:*:*:*:*:*", "matchCriteriaId": "47811209-5CE5-4375-8391-B0A7F6A0E420", "vulnerable": true}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian_eus:8.6:*:*:*:*:*:*:*", "matchCriteriaId": "729C515E-1DD3-466D-A50B-AFE058FFC94A", "vulnerable": true}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_server_aus:8.6:*:*:*:*:*:*:*", "matchCriteriaId": "76C24D94-834A-4E9D-8F73-624AFA99AAA2", "vulnerable": true}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_server_for_power_little_endian_update_services_for_sap_solutions:8.6:*:*:*:*:*:*:*", "matchCriteriaId": "871A5C26-DB7B-4870-A5B2-5DD24C90B4A7", "vulnerable": true}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_server_tus:8.6:*:*:*:*:*:*:*", "matchCriteriaId": "1272DF03-7674-4BD4-8E64-94004B195448", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*", "matchCriteriaId": "F4CFF558-3C47-480D-A2F0-BABF26042943", "vulnerable": false}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_eus:8.6:*:*:*:*:*:*:*", "matchCriteriaId": "6C3741B8-851F-475D-B428-523F4F722350", "vulnerable": false}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems:8.0:*:*:*:*:*:*:*", "matchCriteriaId": "87C21FE1-EA5C-498F-9C6C-D05F91A88217", "vulnerable": false}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems_eus:8.6:*:*:*:*:*:*:*", "matchCriteriaId": "9EF5C4AC-CA69-41E3-AD93-7AC21931374A", "vulnerable": false}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian:8.0:*:*:*:*:*:*:*", "matchCriteriaId": "47811209-5CE5-4375-8391-B0A7F6A0E420", "vulnerable": false}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian_eus:8.6:*:*:*:*:*:*:*", "matchCriteriaId": "729C515E-1DD3-466D-A50B-AFE058FFC94A", "vulnerable": false}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:a:redhat:codeready_linux_builder:-:*:*:*:*:*:*:*", "matchCriteriaId": "1CD81C46-328B-412D-AF4E-68A2AD2F1A73", "vulnerable": true}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*", "matchCriteriaId": "07B237A9-69A3-4A9C-9DA0-4E06BD37AE73", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:splunk:universal_forwarder:*:*:*:*:*:*:*:*", "matchCriteriaId": "5722E753-75DE-4944-A11B-556CB299B57D", "versionEndExcluding": "8.2.12", "versionStartIncluding": "8.2.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:splunk:universal_forwarder:*:*:*:*:*:*:*:*", "matchCriteriaId": "DC0F9351-81A4-4FEA-B6B5-6E960A933D32", "versionEndExcluding": "9.0.6", "versionStartIncluding": "9.0.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:splunk:universal_forwarder:9.1.0:*:*:*:*:*:*:*", "matchCriteriaId": "EED24E67-2957-4C1B-8FEA-E2D2FE7B97FC", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "An improper link resolution flaw can occur while extracting an archive leading to changing modes, times, access control lists, and flags of a file outside of the archive. An attacker may provide a malicious archive to a victim user, who would trigger this flaw when trying to extract the archive. A local attacker may use this flaw to gain more privileges in a system."}, {"lang": "es", "value": "Un fallo de resoluci\u00f3n de enlaces inapropiado puede ocurrir mientras es extra\u00eddo un archivo que conlleva a un cambio de modos, tiempos, listas de control de acceso y flags de un archivo fuera del archivo. Un atacante puede proporcionar un archivo malicioso a un usuario v\u00edctima, que desencadenar\u00eda este fallo cuando intente extraer el archivo. Un atacante local puede usar este defecto para conseguir m\u00e1s privilegios en un sistema."}], "id": "CVE-2021-31566", "lastModified": "2024-03-27T16:04:30.260", "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": "2022-08-23T16:15:09.337", "references": [{"source": "secalert@redhat.com", "tags": ["Third Party Advisory"], "url": "https://access.redhat.com/security/cve/CVE-2021-31566"}, {"source": "secalert@redhat.com", "tags": ["Issue Tracking", "Patch", "Third Party Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2024237"}, {"source": "secalert@redhat.com", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/libarchive/libarchive/commit/b41daecb5ccb4c8e3b2c53fd6147109fc12c3043"}, {"source": "secalert@redhat.com", "tags": ["Issue Tracking", "Patch", "Third Party Advisory"], "url": "https://github.com/libarchive/libarchive/issues/1566"}, {"source": "secalert@redhat.com", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2022/11/msg00030.html"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-59"}], "source": "secalert@redhat.com", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-59"}], "source": "nvd@nist.gov", "type": "Secondary"}]}

{"affected_release": [{"advisory": "RHSA-2022:0892", "cpe": "cpe:/o:redhat:enterprise_linux:8", "package": "libarchive-0:3.3.3-3.el8_5", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2022-03-15T00:00:00Z"}], "bugzilla": {"description": "libarchive: symbolic links incorrectly followed when changing modes, times, ACL and flags of a file while extracting an archive", "id": "2024237", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2024237"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.1", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H", "status": "verified"}, "cwe": "CWE-59", "details": ["An improper link resolution flaw can occur while extracting an archive leading to changing modes, times, access control lists, and flags of a file outside of the archive. An attacker may provide a malicious archive to a victim user, who would trigger this flaw when trying to extract the archive. A local attacker may use this flaw to gain more privileges in a system.", "An improper link resolution flaw can occur while extracting an archive leading to changing modes, times, access control lists, and flags of a file outside of the archive. An attacker may provide a malicious archive to a victim user, who would trigger this flaw when trying to extract the archive. A local attacker may use this flaw to gain more privileges in a system."], "name": "CVE-2021-31566", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "libarchive", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "libarchive", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "libarchive", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2021-08-22T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2021-31566\nhttps://nvd.nist.gov/vuln/detail/CVE-2021-31566"], "threat_severity": "Moderate", "upstream_fix": "libarchive 3.5.2"}