Vulnerability advisory
GHSA-gxxj-g9v8-w28p
Drupal core Arbitrary PHP code execution
Severity
- CVSS 3.x
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Affected versions
drupal/core Packagist
All drupal/core advisories →Description
The Drupal project uses the PEAR Archive_Tar library. The PEAR Archive_Tar library has released a security update that impacts Drupal. For more information please see: CVE-2020-28948 CVE-2020-28949
Multiple vulnerabilities are possible if Drupal is configured to allow .tar, .tar.gz, .bz2, or .tlz file uploads and processes them.
To mitigate this issue, prevent untrusted users from uploading .tar, .tar.gz, .bz2, or .tlz files.