Ubuntu Security Notice USN-5811-3
January 30, 2023
sudo vulnerability
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
– Ubuntu 14.04 ESM
Summary:
Several security issues were fixed in Sudo.
Software Description:
– sudo: Provide limited super user privileges to specific users
Details:
USN-5811-1 fixed a vulnerability in Sudo. This update provides
the corresponding update for Ubuntu 14.04 ESM.
Original advisory details:
Matthieu Barjole and Victor Cutillas discovered that Sudo incorrectly
handled user-specified editors when using the sudoedit command. A local
attacker that has permission to use the sudoedit command could possibly use
this issue to edit arbitrary files. (CVE-2023-22809)
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 14.04 ESM:
sudo 1.8.9p5-1ubuntu1.5+esm7
sudo-ldap 1.8.9p5-1ubuntu1.5+esm7
In general, a standard system update will make all the necessary changes.
References:
https://ubuntu.com/security/notices/USN-5811-3
https://ubuntu.com/security/notices/USN-5811-1
CVE-2023-22809
