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Ubuntu 20.04 LTS: USN-6711-1 Critical: CRM Shell Code Injection

ubuntu
Calendar Grey March 25, 2024
Dist Ubuntu Esm H88
A recent security flaw in the Ubuntu CRM shell allows for arbitrary code execution through crafted inputs. Users should adhere to the update guidelines to mitigate this issue
CRM shell could be made to execute arbitrary code if it received a specially crafted input.

Summary

CRM shell could be made to execute arbitrary code if it received

a specially crafted input.

Software Description:

- 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.

Topics%20covered

Topics Covered

security advisory critical code execution arbitrary code ubuntu shell injection crm shell

Update Instructions

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

Ubuntu 20.04 LTS:
  crmsh                           4.2.0-2ubuntu1.1

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

References

https://ubuntu.com/security/notices/USN-6711-1

CVE-2020-35459

Severity
critical
Lowest
Low
Medium
High
Critical

Ubuntu Security Notice USN-6711-1

Topics%20covered

Topics Covered

security advisory critical code execution arbitrary code ubuntu shell injection crm shell

Package Information

https://launchpad.net/ubuntu/+source/crmsh/4.2.0-2ubuntu1.1

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