CVE-2020-28949 — PEAR Archive_Tar Deserialization of Untrusted Data Vulnerability
CVE-2020-28949: PEAR Archive_Tar Deserialization of Untrusted Data Vulnerability
CISA Known Exploited Vulnerability (KEV)
| Vendor / project | PEAR |
| Product | Archive_Tar |
| Date added | 2022-08-25 |
| Due date | 2022-09-15 |
| Ransomware campaign use | Unknown |
Description
PEAR Archive_Tar allows an unserialization attack because phar: is blocked but PHAR: is not blocked. 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.
Required action (CISA)
Apply updates per vendor instructions.
Notes
https://pear.php.net/bugs/bug.php?id=27002, https://www.drupal.org/sa-core-2020-013, https://access.redhat.com/security/cve/cve-2020-28949; https://nvd.nist.gov/vuln/detail/CVE-2020-28949
References
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2020-28949
- KEV catalog: https://www.cisa.gov/known-exploited-vulnerabilities-catalog