USN-6757-1: PHP vulnerabilities

Publication date

29 April 2024

Overview

Several security issues were fixed in PHP.


Packages

  • php7.0 - HTML-embedded scripting language interpreter
  • php7.2 - HTML-embedded scripting language interpreter
  • php7.4 - HTML-embedded scripting language interpreter
  • php8.1 - HTML-embedded scripting language interpreter

Details

It was discovered that PHP incorrectly handled PHP_CLI_SERVER_WORKERS variable.
An attacker could possibly use this issue to cause a crash or execute
arbitrary code. This issue only affected Ubuntu 20.04 LTS, and
Ubuntu 22.04 LTS. (CVE-2022-4900)

It was discovered that PHP incorrectly handled certain cookies.
An attacker could possibly use this issue to cookie by pass.
(CVE-2024-2756)

It was discovered that PHP incorrectly handled some passwords.
An attacker could possibly use this issue to cause an account takeover
attack. (CVE-2024-3096)

It was discovered that PHP incorrectly handled PHP_CLI_SERVER_WORKERS variable.
An attacker could possibly use this issue to cause a crash or execute
arbitrary code. This issue only affected Ubuntu 20.04 LTS, and
Ubuntu 22.04 LTS. (CVE-2022-4900)

It was discovered that PHP incorrectly handled certain cookies.
An attacker could possibly use this issue to cookie by pass.
(CVE-2024-2756)

It was discovered that PHP incorrectly handled some passwords.
An attacker could possibly use this issue to cause an account takeover
attack. (CVE-2024-3096)

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
22.04 jammy libapache2-mod-php8.1 –  8.1.2-1ubuntu2.16
php8.1 –  8.1.2-1ubuntu2.16
php8.1-cgi –  8.1.2-1ubuntu2.16
php8.1-cli –  8.1.2-1ubuntu2.16
php8.1-fpm –  8.1.2-1ubuntu2.16
php8.1-xml –  8.1.2-1ubuntu2.16
20.04 focal libapache2-mod-php7.4 –  7.4.3-4ubuntu2.21
php7.4 –  7.4.3-4ubuntu2.21
php7.4-cgi –  7.4.3-4ubuntu2.21
php7.4-cli –  7.4.3-4ubuntu2.21
php7.4-fpm –  7.4.3-4ubuntu2.21
php7.4-xml –  7.4.3-4ubuntu2.21
18.04 bionic libapache2-mod-php7.2 –  7.2.24-0ubuntu0.18.04.17+esm3  
php7.2 –  7.2.24-0ubuntu0.18.04.17+esm3  
php7.2-cgi –  7.2.24-0ubuntu0.18.04.17+esm3  
php7.2-cli –  7.2.24-0ubuntu0.18.04.17+esm3  
php7.2-fpm –  7.2.24-0ubuntu0.18.04.17+esm3  
php7.2-xml –  7.2.24-0ubuntu0.18.04.17+esm3  
16.04 xenial libapache2-mod-php7.0 –  7.0.33-0ubuntu0.16.04.16+esm9  
php7.0 –  7.0.33-0ubuntu0.16.04.16+esm9  
php7.0-cgi –  7.0.33-0ubuntu0.16.04.16+esm9  
php7.0-cli –  7.0.33-0ubuntu0.16.04.16+esm9  
php7.0-fpm –  7.0.33-0ubuntu0.16.04.16+esm9  
php7.0-xml –  7.0.33-0ubuntu0.16.04.16+esm9  

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