USN-7049-1: PHP vulnerabilities

Releases

• Ubuntu 24.04 LTS
• Ubuntu 22.04 LTS
• Ubuntu 20.04 LTS

Packages

• php7.4 - HTML-embedded scripting language interpreter
• php8.1 - HTML-embedded scripting language interpreter
• php8.3 - HTML-embedded scripting language interpreter

Details

It was discovered that PHP incorrectly handled parsing multipart form data.
A remote attacker could possibly use this issue to inject payloads and
cause PHP to ignore legitimate data. (CVE-2024-8925)

It was discovered that PHP incorrectly handled the cgi.force_redirect
configuration option due to environment variable collisions. In certain
configurations, an attacker could possibly use this issue bypass
force_redirect restrictions. (CVE-2024-8927)

It was discovered that PHP-FPM incorrectly handled logging. A remote
attacker could possibly use this issue to alter and inject arbitrary
contents into log files. This issue only affected Ubuntu 22.04 LTS, and
Ubuntu 24.04 LTS. (CVE-2024-9026)

Update instructions

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

Ubuntu 24.04

• libapache2-mod-php8.3 - 8.3.6-0ubuntu0.24.04.2
• php8.3-cgi - 8.3.6-0ubuntu0.24.04.2
• php8.3-cli - 8.3.6-0ubuntu0.24.04.2
• php8.3-fpm - 8.3.6-0ubuntu0.24.04.2

Ubuntu 22.04

• libapache2-mod-php8.1 - 8.1.2-1ubuntu2.19
• php8.1-cgi - 8.1.2-1ubuntu2.19
• php8.1-cli - 8.1.2-1ubuntu2.19
• php8.1-fpm - 8.1.2-1ubuntu2.19

Ubuntu 20.04

• libapache2-mod-php7.4 - 7.4.3-4ubuntu2.24
• php7.4-cgi - 7.4.3-4ubuntu2.24
• php7.4-cli - 7.4.3-4ubuntu2.24
• php7.4-fpm - 7.4.3-4ubuntu2.24

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

References

• CVE-2024-8927
• CVE-2024-9026
• CVE-2024-8925