[USN-5818-1] PHP vulnerability

[Leonidas S. Barbosa]

==========================================================================
Ubuntu Security Notice USN-5818-1
January 23, 2023

php7.2, php7.4, php8.1 vulnerability
==========================================================================

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

- Ubuntu 22.10
- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS

Summary:

PHP could be made do crash or execute arbitrary code if it received
a specially crafted input.

Software Description:
- php8.1: HTML-embedded scripting language interpreter
- php7.4: HTML-embedded scripting language interpreter
- php7.2: HTML-embedded scripting language interpreter

Details:

It was discovered that 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 22.10:
  libapache2-mod-php7.4           8.1.7-1ubuntu3.2
  libapache2-mod-php8.0           8.1.7-1ubuntu3.2
  libapache2-mod-php8.1           8.1.7-1ubuntu3.2
  php8.1                          8.1.7-1ubuntu3.2
  php8.1-cgi                      8.1.7-1ubuntu3.2
  php8.1-cli                      8.1.7-1ubuntu3.2
  php8.1-sqlite3                  8.1.7-1ubuntu3.2

Ubuntu 22.04 LTS:
  libapache2-mod-php7.4           8.1.2-1ubuntu2.10
  libapache2-mod-php8.0           8.1.2-1ubuntu2.10
  libapache2-mod-php8.1           8.1.2-1ubuntu2.10
  php8.1                          8.1.2-1ubuntu2.10
  php8.1-cgi                      8.1.2-1ubuntu2.10
  php8.1-cli                      8.1.2-1ubuntu2.10
  php8.1-sqlite3                  8.1.2-1ubuntu2.10

Ubuntu 20.04 LTS:
  libapache2-mod-php7.4           7.4.3-4ubuntu2.17
  php7.4                          7.4.3-4ubuntu2.17
  php7.4-cgi                      7.4.3-4ubuntu2.17
  php7.4-cli                      7.4.3-4ubuntu2.17
  php7.4-sqlite3                  7.4.3-4ubuntu2.17

Ubuntu 18.04 LTS:
  libapache2-mod-php7.2           7.2.24-0ubuntu0.18.04.16
  php7.2                          7.2.24-0ubuntu0.18.04.16
  php7.2-cgi                      7.2.24-0ubuntu0.18.04.16
  php7.2-cli                      7.2.24-0ubuntu0.18.04.16
  php7.2-sqlite3                  7.2.24-0ubuntu0.18.04.16

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

References:
  https://ubuntu.com/security/notices/USN-5818-1
  CVE-2022-31631

Package Information:
  https://launchpad.net/ubuntu/+source/php8.1/8.1.7-1ubuntu3.2
  https://launchpad.net/ubuntu/+source/php8.1/8.1.2-1ubuntu2.10
  https://launchpad.net/ubuntu/+source/php7.4/7.4.3-4ubuntu2.17
  https://launchpad.net/ubuntu/+source/php7.2/7.2.24-0ubuntu0.18.04.16
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