Debian Security Advisory
DLA-2621-1 php-pear -- LTS security update
- Date Reported:
- 08 Apr 2021
- Affected Packages:
- Security database references:
- In the Debian bugtracking system: Bug 980428.
In Mitre's CVE dictionary: CVE-2020-36193.
- More information:
A vulnerability was discovered in php-pear, which provides core packages from the PHP Extension and Application Repository. Tar.php in Archive_Tar allows write operations with Directory Traversal due to inadequate checking of symbolic links, a related issue to CVE-2020-28948. An attacker could escalate privileges by overwriting files outside the extraction directory through a crafted .tar archive.
For Debian 9 stretch, this problem has been fixed in version 1:1.10.1+submodules+notgz-9+deb9u3.
We recommend that you upgrade your php-pear packages.
For the detailed security status of php-pear please refer to its security tracker page at: https://security-tracker.debian.org/tracker/php-pear
Further information about Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at: https://wiki.debian.org/LTS