1. Ubuntu Security Notices
  2. USN-5942-1

USN-5942-1: Apache HTTP Server vulnerabilities

Publication date

9 March 2023

Overview

Several security issues were fixed in Apache HTTP Server.

Releases

Packages

Details

Lars Krapf discovered that the Apache HTTP Server mod_proxy module
incorrectly handled certain configurations. A remote attacker could
possibly use this issue to perform an HTTP Request Smuggling attack.
(CVE-2023-25690)

Dimas Fariski Setyawan Putra discovered that the Apache HTTP Server
mod_proxy_uwsgi module incorrectly handled certain special characters. A
remote attacker could possibly use this issue to perform an HTTP Request
Smuggling attack. This issue only affected Ubuntu 20.04 LTS, Ubuntu 22.04
LTS, and Ubuntu 22.10. (CVE-2023-27522)

Lars Krapf discovered that the Apache HTTP Server mod_proxy module
incorrectly handled certain configurations. A remote attacker could
possibly use this issue to perform an HTTP Request Smuggling attack.
(CVE-2023-25690)

Dimas Fariski Setyawan Putra discovered that the Apache HTTP Server
mod_proxy_uwsgi module incorrectly handled certain special characters. A
remote attacker could possibly use this issue to perform an HTTP Request
Smuggling attack. This issue only affected Ubuntu 20.04 LTS, Ubuntu 22.04
LTS, and Ubuntu 22.10. (CVE-2023-27522)

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
22.10 kinetic apache2 –  2.4.54-2ubuntu1.2
22.04 jammy apache2 –  2.4.52-1ubuntu4.4
20.04 focal apache2 –  2.4.41-4ubuntu3.14
18.04 bionic apache2 –  2.4.29-1ubuntu4.27

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References

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