[USN-5027-1] PEAR vulnerability

========================================================================== Ubuntu Security Notice USN-5027-1 July 29, 2021
php-pear vulnerability ==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
– Ubuntu 21.04 – Ubuntu 20.04 LTS – Ubuntu 18.04 LTS
Summary:
PEAR could be made to overwrite files as the administrator.
Software Description: – 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.
Update instructions:
The problem can be corrected by updating your system to the following package versions:
Ubuntu 21.04: php-pear 1:1.10.9+submodules+notgz-1.1ubuntu1.1
Ubuntu 20.04 LTS: php-pear 1:1.10.9+submodules+notgz-1ubuntu0.20.04.3
Ubuntu 18.04 LTS: php-pear 1:1.10.5+submodules+notgz-1ubuntu1.18.04.4
In general, a standard system update will make all the necessary changes.
References: ubuntu.com/security/notices/USN-5027-1 CVE-2021-32610
Package Information:
launchpad.net/ubuntu/+source/php-pear/1:1.10.9+submodules+notgz-1.1ubuntu1.1
launchpad.net/ubuntu/+source/php-pear/1:1.10.9+submodules+notgz-1ubuntu0.20.04.3
launchpad.net/ubuntu/+source/php-pear/1:1.10.5+submodules+notgz-1ubuntu1.18.04.4