CVE-2020-36193 - PEAR Archive_Tar Improper Link Resolution Vulnerability

Vulnerability Name

PEAR Archive_Tar Improper Link Resolution Vulnerability

Description

PEAR Archive_Tar Tar.php allows write operations with directory traversal due to inadequate checking of symbolic links. PEAR stands for PHP Extension and Application Repository and it is an open-source framework and distribution system for reusable PHP components with known usage in third-party products such as Drupal Core and Red Hat Linux.

Known To Be Used in Ransomware Campaigns?

Unknown

Action

Apply updates per vendor instructions.

Additional Notes

https://github.com/pear/Archive_Tar/commit/cde460582ff389404b5b3ccb59374e9b389de916, https://www.drupal.org/sa-core-2021-001, https://access.redhat.com/security/cve/cve-2020-36193

https://nvd.nist.gov/vuln/detail/CVE-2020-36193