[USN-5125-1] PHP vulnerability

Leonidas S. Barbosa leo.barbosa at canonical.com
Wed Oct 27 23:24:00 UTC 2021

Ubuntu Security Notice USN-5125-1
October 27, 2021

php5, php7.0, php7.2, php7.4, php8.0 vulnerability

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

- Ubuntu 21.10
- Ubuntu 21.04
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS
- Ubuntu 16.04 ESM
- Ubuntu 14.04 ESM


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

Software Description:
- php8.0: HTML-embedded scripting language interpreter
- php7.4: HTML-embedded scripting language interpreter
- php7.2: HTML-embedded scripting language interpreter
- php7.0: HTML-embedded scripting language interpreter
- php5: HTML-embedded scripting language interpreter


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:
  php8.0-fpm                      8.0.8-1ubuntu0.1

Ubuntu 21.04:
  php7.4-fpm                      7.4.16-1ubuntu2.2

Ubuntu 20.04 LTS:
  php7.4-fpm                      7.4.3-4ubuntu2.7

Ubuntu 18.04 LTS:
  php7.2-fpm                      7.2.24-0ubuntu0.18.04.10

Ubuntu 16.04 ESM:
  php7.0-fpm                      7.0.33-0ubuntu0.16.04.16+esm2

Ubuntu 14.04 ESM:
  php5-fpm                        5.5.9+dfsg-1ubuntu4.29+esm15

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


Package Information:
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