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USN-6018-1: Apport vulnerability

13 April 2023

Apport could be used to escalate privilege on specially configured systems.

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Releases

Packages

  • apport - automatically generate crash reports for debugging

Details

Chen Lu, Lei Wang, and YiQi Sun discovered a privilege escalation
vulnerability in apport-cli when viewing crash reports and unprivileged
users are allowed to run sudo less. A local attacker on a specially
configured system could use this to escalate their privilege.

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 22.10
Ubuntu 22.04
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