1. Ubuntu Security Notices
  2. USN-5169-1

USN-5169-1: oddjob vulnerability

Publication date

9 August 2022

Overview

oddjob could be made to overwrite file and directory permissions.

Releases

Packages

  • oddjob - D-Bus service which runs odd jobs -- daemon

Details

Matthias Gerstner discovered that there was a race condition in the mkhomedir
tool shipped with the oddjob package. An authenticated attacker could use this
to setup a symlink attack and change permissions on files on the host filesystem.

Matthias Gerstner discovered that there was a race condition in the mkhomedir
tool shipped with the oddjob package. An authenticated attacker could use this
to setup a symlink attack and change permissions on files on the host filesystem.

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
20.04 focal oddjob –  0.34.4-1ubuntu0.1~esm1  
oddjob-mkhomedir –  0.34.4-1ubuntu0.1~esm1  
18.04 bionic oddjob –  0.34.3-4ubuntu0.1~esm1  
oddjob-mkhomedir –  0.34.3-4ubuntu0.1~esm1  
16.04 xenial oddjob –  0.34.3-2ubuntu0.1~esm1  
oddjob-mkhomedir –  0.34.3-2ubuntu0.1~esm1  

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References

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