Exploited
high
7.5
CWE
22 59
Advisory Published
CVE Published
Updated

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

First published: Mon Jan 18 2021(Updated: )

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.

Credit: cve@mitre.org cve@mitre.org

Affected SoftwareAffected VersionHow to fix
composer/pear/archive_tar<1.4.12
redhat/php-pear<1:1.9.4-23.el7_9
1:1.9.4-23.el7_9
Php Archive Tar<=1.4.11
Fedoraproject Fedora=32
Fedoraproject Fedora=33
Fedoraproject Fedora=34
Fedoraproject Fedora=35
Debian Debian Linux=9.0
Debian Debian Linux=10.0
Drupal Drupal>=7.0<7.78
Drupal Drupal>=8.9.0<8.9.13
Drupal Drupal>=9.0.0<9.0.11
Drupal Drupal>=9.1.0<9.1.3
debian/php-pear
1:1.10.6+submodules+notgz-1.1+deb10u2
1:1.10.12+submodules+notgz+20210212-1
1:1.10.13+submodules+notgz+2022032202-2
debian/php-pear<=1:1.10.9+submodules+notgz-1.1<=1:1.10.6+submodules+notgz-1.1+deb10u1<=1:1.10.6+submodules+notgz-1
1:1.10.12+submodules+notgz+20210212-1
1:1.10.6+submodules+notgz-1.1+deb10u2
redhat/Archive_Tar<1.4.12
1.4.12
PEAR Archive_Tar
Fedora=32
Fedora=33
Fedora=34
Fedora=35
Debian=9.0
Debian=10.0
php Archive Tar<=1.4.11

Remedy

https://github.com/pear/Archive_Tar/commit/cde460582ff389404b5b3ccb59374e9b389de916

Never miss a vulnerability like this again

Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.

Read MoreStart Free Trial

Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is CVE-2020-36193?

    CVE-2020-36193 is a vulnerability in PEAR Archive_Tar that allows write operations with directory traversal due to inadequate checking of symbolic links.

  • How does CVE-2020-36193 impact PEAR Archive_Tar?

    CVE-2020-36193 allows attackers to perform directory traversal and potentially write files outside of the intended directory.

  • What is the severity level of CVE-2020-36193?

    CVE-2020-36193 has a severity level of 7.5 (High).

  • How can I fix CVE-2020-36193 in PEAR Archive_Tar?

    To fix CVE-2020-36193, upgrade to version 1.4.12 of PEAR Archive_Tar.

  • Are there any references related to CVE-2020-36193?

    Yes, you can find references related to CVE-2020-36193 at the following links: [Link 1](https://github.com/pear/Archive_Tar/commit/cde460582ff389404b5b3ccb59374e9b389de916), [Link 2](https://www.drupal.org/sa-core-2021-001).

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2025 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203