USN-6305-3: PHP regression

Publication date

3 July 2024

Overview

USN-6305-2 caused a regression in parsing XML.


Packages

  • php7.0 - HTML-embedded scripting language interpreter
  • php7.2 - HTML-embedded scripting language interpreter

Details

USN-6305-2 fixed a vulnerability in PHP. The update caused a regression
in Ubuntu 16.04 LTS and Ubuntu 18.04 LTS. This update fix it.

Original advisory details:

It was discovered that PHP incorrectly handled certain XML files.
An attacker could possibly use this issue to expose sensitive information.
(CVE-2023-3823)

It was discovered that PHP incorrectly handled certain PHAR files.
An attacker could possibly use this issue to cause a crash,
expose sensitive information or execute arbitrary code.
(CVE-2023-3824)

USN-6305-2 fixed a vulnerability in PHP. The update caused a regression
in Ubuntu 16.04 LTS and Ubuntu 18.04 LTS. This update fix it.

Original advisory details:

It was discovered that PHP incorrectly handled certain XML files.
An attacker could possibly use this issue to expose sensitive information.
(CVE-2023-3823)

It was discovered that PHP incorrectly handled certain PHAR files.
An attacker could possibly use this issue to cause a crash,
expose sensitive information or execute arbitrary code.
(CVE-2023-3824)

Update instructions

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

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
18.04 bionic php7.2 –  7.2.24-0ubuntu0.18.04.17+esm4  
php7.2-cgi –  7.2.24-0ubuntu0.18.04.17+esm4  
php7.2-cli –  7.2.24-0ubuntu0.18.04.17+esm4  
php7.2-fpm –  7.2.24-0ubuntu0.18.04.17+esm4  
php7.2-xml –  7.2.24-0ubuntu0.18.04.17+esm4  
php7.2-xmlrpc –  7.2.24-0ubuntu0.18.04.17+esm4  
16.04 xenial php7.0 –  7.0.33-0ubuntu0.16.04.16+esm10  
php7.0-cgi –  7.0.33-0ubuntu0.16.04.16+esm10  
php7.0-cli –  7.0.33-0ubuntu0.16.04.16+esm10  
php7.0-fpm –  7.0.33-0ubuntu0.16.04.16+esm10  
php7.0-xml –  7.0.33-0ubuntu0.16.04.16+esm10  
php7.0-xmlrpc –  7.0.33-0ubuntu0.16.04.16+esm10  

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.


Have additional questions?

Talk to a member of the team ›