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

USN-6005-2: Sudo vulnerabilities

Publication date

29 May 2023

Overview

Several security issues were fixed in Sudo.

Releases

Packages

  • sudo - Provide limited super user privileges to specific users

Details

USN-6005-1 fixed vulnerabilities in Sudo. This update
provides the corresponding updates for Ubuntu 16.04 LTS.

Original advisory 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.

USN-6005-1 fixed vulnerabilities in Sudo. This update
provides the corresponding updates for Ubuntu 16.04 LTS.

Original advisory 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.

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
16.04 xenial sudo-ldap –  1.8.16-0ubuntu1.10+esm2  
sudo –  1.8.16-0ubuntu1.10+esm2  

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References

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