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Ubuntu Security Notice USN-6711-1

Ubuntu Security Notice USN-6711-1
Posted Mar 26, 2024
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6711-1 - 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.

tags | advisory, arbitrary, shell, local
systems | linux, ubuntu
advisories | CVE-2020-35459
SHA-256 | 561d06378a4d832e9a803e7cdd95a4af11f2b3f29f3a2e2508d84ddaebf01a8d

Ubuntu Security Notice USN-6711-1

Change Mirror Download
==========================================================================
Ubuntu Security Notice USN-6711-1
March 25, 2024

crmsh vulnerability
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 20.04 LTS

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.

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

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

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