==========================================================================
Ubuntu Security Notice USN-6841-2
September 09, 2024

php7.0, php7.2 vulnerability
==========================================================================

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

- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS

Summary:

PHP could be made to accept invalid URLs.

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

Details:

USN-6841-1 fixed a vulnerability in PHP. This update provides the
corresponding updates for Ubuntu 16.04 LTS and Ubuntu 18.04 LTS.

Original advisory details:

  It was discovered that PHP could early return in the filter_var function
  resulting in invalid user information being treated as valid user
  information. An attacker could possibly use this issue to expose raw
  user input information.

Update instructions:

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

Ubuntu 18.04 LTS
   libapache2-mod-php7.2           7.2.24-0ubuntu0.18.04.17+esm5
                                   Available with Ubuntu Pro
   php7.2                          7.2.24-0ubuntu0.18.04.17+esm5
                                   Available with Ubuntu Pro
   php7.2-cgi                      7.2.24-0ubuntu0.18.04.17+esm5
                                   Available with Ubuntu Pro
   php7.2-cli                      7.2.24-0ubuntu0.18.04.17+esm5
                                   Available with Ubuntu Pro
   php7.2-fpm                      7.2.24-0ubuntu0.18.04.17+esm5
                                   Available with Ubuntu Pro

Ubuntu 16.04 LTS
   libapache2-mod-php7.0           7.0.33-0ubuntu0.16.04.16+esm11
                                   Available with Ubuntu Pro
   php7.0                          7.0.33-0ubuntu0.16.04.16+esm11
                                   Available with Ubuntu Pro
   php7.0-cgi                      7.0.33-0ubuntu0.16.04.16+esm11
                                   Available with Ubuntu Pro
   php7.0-cli                      7.0.33-0ubuntu0.16.04.16+esm11
                                   Available with Ubuntu Pro
   php7.0-fpm                      7.0.33-0ubuntu0.16.04.16+esm11
                                   Available with Ubuntu Pro

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

References:
   https://ubuntu.com/security/notices/USN-6841-2
   https://ubuntu.com/security/notices/USN-6841-1
   CVE-2024-5458