{"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":"2021-12-16T00:00:00.000Z","datePublished":"2022-08-23T00:00:00.000Z"},"containers":{"cna":{"providerMetadata":{"orgId":"53f830b8-0a3f-465b-8143-3b8a9948e749","shortName":"redhat","dateUpdated":"2022-11-22T00:00:00.000Z"},"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"}]}]}}