CVE-2020-36193

php archive tar, fedoraproject fedora, debian linux

Published 18 Jan 2021 · updated 17 Jun 2026 · Analyzed

7.5 High · CVSS 3.1, NVD

Exploited in the wild

CISA added this to its Known Exploited Vulnerabilities catalog on 25 Aug 2022, with a remediation deadline of 15 Sept 2022 for US federal agencies.

Required action: Apply updates per vendor instructions.

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.

References

github.com/pear/Archive_Tar/commit/cde460582ff389404b5b3ccb59374e9b389de916 · Patch
lists.debian.org/debian-lts-announce/2021/01/msg00018.html · Mailing List, Third Party Advisory
lists.debian.org/debian-lts-announce/2021/04/msg00007.html · Mailing List, Third Party Advisory
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/42GPGVVFTLJYAKRI75IVB5R45NYQGEUR/ · Broken Link
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FOZNK4FIIV7FSFCJNNFWMJZTTV7NFJV2/ · Broken Link
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VJQQYDAOWHD6RDITDRPHFW7WY6BS3V5N/ · Broken Link
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YKD5WEFA4WT6AVTMRAYBNXZNLWZHM7FH/ · Broken Link
security.gentoo.org/glsa/202101-23 · Third Party Advisory
www.debian.org/security/2021/dsa-4894 · Third Party Advisory
www.drupal.org/sa-core-2021-001 · Third Party Advisory
www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-36193 · US Government Resource