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USN-6711-1: CRM shell vulnerability

25 March 2024

CRM shell could be made to execute arbitrary code if it received a specially crafted input.

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Releases

Packages

  • crmsh - CRM shell for the pacemaker cluster manager

Details

Vincent Berg discovered that CRM shell incorrectly handled certain commands.
An local attacker could possibly use this issue to execute arbitrary code
via shell code injection to the crm history commandline.

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 20.04

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

References

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Further reading