1. Ubuntu Security Notices
  2. USN-5027-1

USN-5027-1: PEAR vulnerability

Publication date

29 July 2021

Overview

PEAR could be made to overwrite files as the administrator.

Releases

Packages

  • php-pear - PHP Extension and Application Repository

Details

It was discovered that PEAR incorrectly handled symbolic links in archives.
A remote attacker could possibly use this issue to execute arbitrary code.

It was discovered that PEAR incorrectly handled symbolic links in archives.
A remote attacker could possibly use this issue to execute arbitrary code.

Update instructions

In general, a standard system update will make all the necessary changes.

Learn more about how to get the fixes.

The problem can be corrected by updating your system to the following package versions:

Ubuntu Release Package Version
21.04 hirsute php-pear –  1:1.10.9+submodules+notgz-1.1ubuntu1.1
20.04 focal php-pear –  1:1.10.9+submodules+notgz-1ubuntu0.20.04.3
18.04 bionic php-pear –  1:1.10.5+submodules+notgz-1ubuntu1.18.04.4

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References

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