CVE-2021-32610 Directory Traversal in Archive_Tar
Attackers can exploit symlink handling in Archive_Tar to read or modify files outside the intended extraction directory.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2021-32610?
CVE-2021-32610 is a high-severity path traversal vulnerability in Debian Debian Linux, published on 27 Jul 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In Archive_Tar before 1.4.14, symlinks can refer to targets outside of the extracted archive, a different vulnerability than CVE-2020-36193.
Weakness: CWE-59
Which versions are affected by CVE-2021-32610?
3 open source packages ship an affected version, including pear/archive_tar and drupal/core. It affects 3 products.
| Package | Affected | Fixed in |
|---|---|---|
pear/archive_tar Packagist | All versions | 1.4.14 |
pear/archive_tar Packagist | All versions | 1.4.14 |
drupal/core Packagist | From 8.0.0 | 8.9.17, 9.1.11, 9.2.2 |
Linux distribution packages (2)
php8-pear SUSE:Linux Enterprise Module for Web and Scripting 15 SP4 | All versions | 1.10.21-150400.9.3.1 |
php8-pear openSUSE:Leap 15.4 | All versions | 1.10.21-150400.9.3.1 |
Products include Debian Debian Linux, Fedoraproject Fedora, Php Archive Tar.
How do I fix CVE-2021-32610?
Upgrade pear/archive_tar to 1.4.14 or later.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2021-32610 being exploited?
There is no known exploitation of CVE-2021-32610 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as CLEANSTART-2024-PW74857, DEBIAN-CVE-2021-32610, DLA-2721-1, DRUPAL-CORE-2021-004, GHSA-p8q8-jfcv-g2h2, MGASA-2021-0393 and 7 more.