Headline
Ubuntu Security Notice USN-6005-2
Ubuntu Security Notice 6005-2 - USN-6005-1 fixed vulnerabilities in Sudo. This update provides the corresponding updates for Ubuntu 16.04 LTS. 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.
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Ubuntu Security Notice USN-6005-2
May 29, 2023
sudo vulnerabilities
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 16.04 LTS (Available with Ubuntu Pro)
Summary:
Several security issues were fixed in Sudo.
Software Description:
- 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.
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 16.04 LTS (Available with Ubuntu Pro):
sudo 1.8.16-0ubuntu1.10+esm2
sudo-ldap 1.8.16-0ubuntu1.10+esm2
In general, a standard system update will make all the necessary changes.
References:
https://ubuntu.com/security/notices/USN-6005-2
https://ubuntu.com/security/notices/USN-6005-1
CVE-2023-28486, CVE-2023-28487
Related news
Red Hat Security Advisory 2024-0811-03 - A security update for sudo is now available for Red Hat Enterprise Linux 8 and 9.
Gentoo Linux Security Advisory 202309-12 - Multiple vulnerabilities have been found in sudo, the worst of which can result in root privilege escalation. Versions greater than or equal to 1.9.13_p2 are affected.
Dell VxRail, version(s) 8.0.100 and earlier contain a denial-of-service vulnerability in the upgrade functionality. A remote unauthenticated attacker could potentially exploit this vulnerability, leading to degraded performance and system malfunction.
Sudo before 1.9.13 does not escape control characters in sudoreplay output.