USN-4166-2: PHP vulnerability

29 October 2019

php5 vulnerability

A security issue affects these releases of Ubuntu and its derivatives:

  • Ubuntu 14.04 ESM
  • Ubuntu 12.04 ESM

Summary

PHP could be made to run programs if it received specially crafted network traffic.

Software Description

  • php5 - HTML-embedded scripting language interpreter

Details

USN-4166-1 fixed a vulnerability in PHP. This update provides the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM.

Original advisory details:

It was discovered that PHP incorrectly handled certain paths when being used in FastCGI configurations. 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 14.04 ESM
libapache2-mod-php5 - 5.5.9+dfsg-1ubuntu4.29+esm6
php5-cgi - 5.5.9+dfsg-1ubuntu4.29+esm6
php5-cli - 5.5.9+dfsg-1ubuntu4.29+esm6
php5-fpm - 5.5.9+dfsg-1ubuntu4.29+esm6
Ubuntu 12.04 ESM
libapache2-mod-php5 - 5.3.10-1ubuntu3.40
php5-cgi - 5.3.10-1ubuntu3.40
php5-cli - 5.3.10-1ubuntu3.40
php5-fpm - 5.3.10-1ubuntu3.40

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