{"id":"GHSA-rpw6-9xfx-jvcx","aliases":["BIT-drupal-2020-36193","CVE-2020-36193"],"title":"Directory Traversal in Archive_Tar","description":"Tar.php in Archive_Tar through 1.4.11 allows write operations with Directory Traversal due to inadequate checking of symbolic links, a related issue to CVE-2020-28948.\n\n### :exclamation: Note: \nThere was an [initial fix](https://github.com/pear/Archive_Tar/commit/cde460582ff389404b5b3ccb59374e9b389de916) for this vulnerability made in version `1.4.12`. That fix introduced a bug which was [fixed in 1.4.13](https://github.com/pear/Archive_Tar/pull/36). Therefore we have set the first-patched-version to `1.4.13` which the earliest working version that avoids this vulnerability.","severity":"high","score":7.5,"published":"2021-04-22T16:20:36.000Z","modified":"2025-10-22T19:19:13.501Z","withdrawn":false,"knownExploited":true,"affected":[{"ecosystem":"Packagist","name":"pear/archive_tar","ranges":[{"events":[{"introduced":"0"},{"fixed":"1.4.13"}],"type":"ECOSYSTEM"}],"versions":["1.3.11","1.3.12","1.3.13","1.3.14","1.3.15","1.3.16","1.4.0","1.4.1","1.4.10","1.4.11","1.4.12","1.4.2","1.4.3","1.4.4","1.4.5","1.4.6","1.4.7","1.4.8","1.4.9"],"fixed":["1.4.13"]}],"references":["https://nvd.nist.gov/vuln/detail/CVE-2020-36193","https://github.com/pear/Archive_Tar/issues/35","https://github.com/pear/Archive_Tar/commit/cde460582ff389404b5b3ccb59374e9b389de916","https://www.drupal.org/sa-core-2021-001","https://www.debian.org/security/2021/dsa-4894","https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-36193","https://security.gentoo.org/glsa/202101-23","https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/YKD5WEFA4WT6AVTMRAYBNXZNLWZHM7FH","https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VJQQYDAOWHD6RDITDRPHFW7WY6BS3V5N","https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/FOZNK4FIIV7FSFCJNNFWMJZTTV7NFJV2","https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/42GPGVVFTLJYAKRI75IVB5R45NYQGEUR","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YKD5WEFA4WT6AVTMRAYBNXZNLWZHM7FH","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VJQQYDAOWHD6RDITDRPHFW7WY6BS3V5N","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FOZNK4FIIV7FSFCJNNFWMJZTTV7NFJV2","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/42GPGVVFTLJYAKRI75IVB5R45NYQGEUR","https://lists.debian.org/debian-lts-announce/2021/04/msg00007.html","https://lists.debian.org/debian-lts-announce/2021/01/msg00018.html","https://github.com/pear/Archive_Tar","https://github.com/FriendsOfPHP/security-advisories/blob/master/pear/archive_tar/CVE-2020-36193.yaml"],"sources":[{"name":"OSV","id":"GHSA-rpw6-9xfx-jvcx","modified":"2025-10-22T19:19:13.501285Z","url":"https://osv.dev/vulnerability/GHSA-rpw6-9xfx-jvcx"}],"assessments":[{"source":"OSV","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N/E:H","score":7.5}]}