1. Ubuntu Security Notices
  2. USN-6005-1

USN-6005-1: Sudo vulnerabilities

Publication date

11 April 2023

Overview

Several security issues were fixed in Sudo.

Releases

Packages

  • sudo - Provide limited super user privileges to specific users

Details

Matthieu Barjole and Victor Cutillas discovered that Sudo incorrectly
escaped control characters in log messages and sudoreplay output. An
attacker could possibly use these issues to inject terminal control
characters that alter output when being viewed.

Matthieu Barjole and Victor Cutillas discovered that Sudo incorrectly
escaped control characters in log messages and sudoreplay output. An
attacker could possibly use these issues to inject terminal control
characters that alter output when being viewed.

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
22.10 kinetic sudo-ldap –  1.9.11p3-1ubuntu1.3
sudo –  1.9.11p3-1ubuntu1.3
22.04 jammy sudo-ldap –  1.9.9-1ubuntu2.4
sudo –  1.9.9-1ubuntu2.4
20.04 focal sudo-ldap –  1.8.31-1ubuntu1.5
sudo –  1.8.31-1ubuntu1.5
18.04 bionic sudo-ldap –  1.8.21p2-3ubuntu1.6
sudo –  1.8.21p2-3ubuntu1.6

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References

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