1. Ubuntu Security Notices
  2. USN-6826-1

USN-6826-1: mod_jk vulnerability

Publication date

11 June 2024

Overview

mod_jk could allow unintended access to network services.

Releases

Packages

Details

Karl von Randow discovered that mod_jk was vulnerable to an authentication
bypass. If the configuration did not provide explicit mounts for all
possible proxied requests, an attacker could possibly use this
vulnerability to bypass security constraints configured in httpd.

Karl von Randow discovered that mod_jk was vulnerable to an authentication
bypass. If the configuration did not provide explicit mounts for all
possible proxied requests, an attacker could possibly use this
vulnerability to bypass security constraints configured in httpd.

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
23.10 mantic libapache2-mod-jk –  1:1.2.48-2ubuntu0.1
22.04 jammy libapache2-mod-jk –  1:1.2.48-1ubuntu0.1
20.04 focal libapache2-mod-jk –  1:1.2.46-1ubuntu0.1
18.04 bionic libapache2-mod-jk –  1:1.2.43-1ubuntu0.1~esm1  
16.04 xenial libapache2-mod-jk –  1:1.2.41-1ubuntu0.1~esm1  

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References

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