1. Ubuntu Security Notices
  2. USN-6711-1

USN-6711-1: CRM shell vulnerability

Publication date

25 March 2024

Overview

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

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.

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.

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 crmsh –  4.2.0-2ubuntu1.1

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References

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