{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"state": "PUBLISHED", "cveId": "CVE-2021-23177", "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "assignerShortName": "redhat", "dateUpdated": "2024-08-03T19:05:55.631Z", "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 while extracting an archive can lead to changing the access control list (ACL) of the target of the link. 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 change the ACL of a file on the system and gain more privileges."}], "affected": [{"vendor": "n/a", "product": "libarchive", "versions": [{"version": "Fixed in libarchive 3.5.2", "status": "affected"}]}], "references": [{"url": "https://github.com/libarchive/libarchive/issues/1565"}, {"url": "https://github.com/libarchive/libarchive/commit/fba4f123cc456d2b2538f811bb831483bf336bad"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2024245"}, {"url": "https://access.redhat.com/security/cve/CVE-2021-23177"}, {"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": "2024-08-03T19:05:55.631Z"}, "title": "CVE Program Container", "references": [{"url": "https://github.com/libarchive/libarchive/issues/1565", "tags": ["x_transferred"]}, {"url": "https://github.com/libarchive/libarchive/commit/fba4f123cc456d2b2538f811bb831483bf336bad", "tags": ["x_transferred"]}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2024245", "tags": ["x_transferred"]}, {"url": "https://access.redhat.com/security/cve/CVE-2021-23177", "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:a:redhat:codeready_linux_builder:-:*:*:*:*:*:*:*", "matchCriteriaId": "1CD81C46-328B-412D-AF4E-68A2AD2F1A73", "vulnerable": true}], "negate": false, "operator": "OR"}, {"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"}], "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"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "An improper link resolution flaw while extracting an archive can lead to changing the access control list (ACL) of the target of the link. 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 change the ACL of a file on the system and gain more privileges."}, {"lang": "es", "value": "Un fallo de resoluci\u00f3n de enlaces inapropiado mientras es extra\u00eddo un archivo puede conllevar a un cambio de la lista de control de acceso (ACL) del objetivo del enlace. Un atacante puede proporcionar un archivo malicioso a un usuario v\u00edctima, que desencadenar\u00eda este fallo cuando intentara extraer el archivo. Un atacante local puede usar este fallo para cambiar la ACL de un archivo en el sistema y conseguir m\u00e1s privilegios."}], "id": "CVE-2021-23177", "lastModified": "2022-12-03T14:16:24.723", "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": "2022-08-23T16:15:09.280", "references": [{"source": "secalert@redhat.com", "tags": ["Third Party Advisory"], "url": "https://access.redhat.com/security/cve/CVE-2021-23177"}, {"source": "secalert@redhat.com", "tags": ["Issue Tracking", "Patch", "Third Party Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2024245"}, {"source": "secalert@redhat.com", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/libarchive/libarchive/commit/fba4f123cc456d2b2538f811bb831483bf336bad"}, {"source": "secalert@redhat.com", "tags": ["Issue Tracking", "Patch", "Third Party Advisory"], "url": "https://github.com/libarchive/libarchive/issues/1565"}, {"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: extracting a symlink with ACLs modifies ACLs of target", "id": "2024245", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2024245"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.3", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:L", "status": "verified"}, "cwe": "CWE-59", "details": ["An improper link resolution flaw while extracting an archive can lead to changing the access control list (ACL) of the target of the link. 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 change the ACL of a file on the system and gain more privileges.", "An improper link resolution flaw while extracting an archive can lead to changing the access control list (ACL) of the target of the link. 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 change the ACL of a file on the system and gain more privileges."], "name": "CVE-2021-23177", "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": "2021-08-21T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2021-23177\nhttps://nvd.nist.gov/vuln/detail/CVE-2021-23177"], "threat_severity": "Moderate", "upstream_fix": "libarchive 3.5.2"}