USN-3857-1: PEAR vulnerability
php-pear vulnerability
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 18.10
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS
Summary
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PEAR could be made to run programs if it processed a specially crafted
file.
Software Description
- php-pear – PHP Extension and Application Repository
Details
Fariskhi Vidyan discovered that PEAR Archive_Tar incorrectly handled
certain archive paths. A remote attacker could possibly use this issue to
execute arbitrary code.
Update instructions
The problem can be corrected by updating your system to the following package versions:
- Ubuntu 18.10
- php-pear – 1:1.10.5+submodules+notgz-1ubuntu1.18.10.1
- Ubuntu 18.04 LTS
- php-pear – 1:1.10.5+submodules+notgz-1ubuntu1.18.04.1
- Ubuntu 16.04 LTS
- php-pear – 1:1.10.1+submodules+notgz-6ubuntu0.1
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system update will make all the necessary changes.
References
Source: USN-3857-1: PEAR vulnerability
