USN-5122-1: Apport vulnerability

25 October 2021

Apport could be made to create files as the administrator.

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Releases

Packages

  • apport - automatically generate crash reports for debugging

Details

It was discovered that Apport could be tricked into writing core files as
root into arbitrary directories in certain scenarios. A local attacker
could possibly use this issue to escalate privileges. This update will
cause Apport to generate all core files in the /var/lib/apport/coredump
directory.

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.

Learn more about Ubuntu Pro

Update instructions

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

Ubuntu 21.10
Ubuntu 21.04
Ubuntu 20.04
Ubuntu 18.04

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

References

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Further reading