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Drupal 7.x < 7.82, 8.0.x < 8.9.17, 9.x < 9.1.11, 9.2.x < 9.2.2 Archive_Tar library Vulnerability (SA-CORE-2021-004) - Windows
Information
Severity
Severity
Family
Family
CVSSv2 Base
CVSSv2 Base
CVSSv2 Vector
CVSSv2 Vector
Solution Type
Solution Type
Created
Created
Modified
Modified
Summary
Drupal is prone to a vulnerability in the third-party library Archive_Tar.
Insight
Insight
The Drupal project uses the pear Archive_Tar library, which has released a security update that impacts Drupal. The vulnerability is mitigated by the fact that Drupal core's use of the Archive_Tar library is not vulnerable, as it does not permit symlinks. Exploitation may be possible if contrib or custom code uses the library to extract tar archives (for example .tar, .tar.gz, .bz2, or .tlz) which come from a potentially untrusted source.
Affected Software
Affected Software
Drupal version 7.x through 7.81, 8.0.x through 8.9.16, 9.x through 9.1.10 and 9.2.x through 9.2.1.
Detection Method
Detection Method
Checks if a vulnerable version is present on the target host.
Solution
Solution
Update to version 7.82, 8.9.17, 9.1.11, 9.2.2 or later.