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USN-5125-1: PHP vulnerability

27 October 2021

PHP-PFM in PHP could be made to run program as an administrator if it received specially crafted input.

Releases

Packages

  • php5 - HTML-embedded scripting language interpreter
  • php7.0 - HTML-embedded scripting language interpreter
  • php7.2 - HTML-embedded scripting language interpreter
  • php7.4 - HTML-embedded scripting language interpreter
  • php8.0 - HTML-embedded scripting language interpreter

Details

It was discovered that PHP-FPM in PHP incorrectly handled certain inputs.
An attacker could possibly use this issue to cause a crash or execute
arbitrary code.

Update instructions

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

Ubuntu 21.10
Ubuntu 21.04
Ubuntu 20.04
Ubuntu 18.04
Ubuntu 16.04
Ubuntu 14.04

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

References