USN-5834-1: Apache HTTP Server vulnerabilities

Publication date

31 January 2023

Overview

Several security issues were fixed in Apache HTTP Server.

Releases


Packages

Details

It was discovered that the Apache HTTP Server mod_dav module did not
properly handle specially crafted request headers. A remote attacker
could possibly use this issue to cause the process to crash, leading
to a denial of service. (CVE-2006-20001)

It was discovered that the Apache HTTP Server mod_proxy_ajp module did not
properly handle certain invalid Transfer-Encoding headers. A remote attacker
could possibly use this issue to perform an HTTP Request Smuggling attack.
(CVE-2022-36760)

It was discovered that the Apache HTTP Server mod_dav module did not
properly handle specially crafted request headers. A remote attacker
could possibly use this issue to cause the process to crash, leading
to a denial of service. (CVE-2006-20001)

It was discovered that the Apache HTTP Server mod_proxy_ajp module did not
properly handle certain invalid Transfer-Encoding headers. A remote attacker
could possibly use this issue to perform an HTTP Request Smuggling attack.
(CVE-2022-36760)

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
16.04 xenial apache2 –  2.4.18-2ubuntu3.17+esm8  
apache2-bin –  2.4.18-2ubuntu3.17+esm8  

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 ›