==========================================================================
Ubuntu Security Notice USN-7117-2
November 26, 2024

needrestart regression
==========================================================================

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

- Ubuntu 24.10
- Ubuntu 24.04 LTS
- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS

Summary:

USN-7117-1 caused some regression in needrestart.

Software Description:
- needrestart: check which daemons need to be restarted after library 
upgrades

Details:

USN-7117-1 fixed vulnerabilities in needrestart. The update introduced a
regression in needrestart. This update fixes the problem.

We apologize for the inconvenience.

Original advisory details:

 Qualys discovered that needrestart passed unsanitized data to a library
 (libmodule-scandeps-perl) which expects safe input. A local attacker could
 possibly use this issue to execute arbitrary code as root.
 (CVE-2024-11003)

 Qualys discovered that the library libmodule-scandeps-perl incorrectly
 parsed perl code. This could allow a local attacker to execute arbitrary
 shell commands. (CVE-2024-10224)

 Qualys discovered that needrestart incorrectly used the PYTHONPATH
 environment variable to spawn a new Python interpreter. A local attacker
 could possibly use this issue to execute arbitrary code as root.
 (CVE-2024-48990)

 Qualys discovered that needrestart incorrectly checked the path to the
 Python interpreter. A local attacker could possibly use this issue to win
 a race condition and execute arbitrary code as root. (CVE-2024-48991)

 Qualys discovered that needrestart incorrectly used the RUBYLIB
 environment variable to spawn a new Ruby interpreter. A local attacker
 could possibly use this issue to execute arbitrary code as root.
 (CVE-2024-48992)

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 24.10
  needrestart                     3.6-8ubuntu4.3

Ubuntu 24.04 LTS
  needrestart                     3.6-7ubuntu4.4

Ubuntu 22.04 LTS
  needrestart                     3.5-5ubuntu2.3

Ubuntu 20.04 LTS
  needrestart                     3.4-6ubuntu0.1+esm2
                                  Available with Ubuntu Pro

Ubuntu 18.04 LTS
  needrestart                     3.1-1ubuntu0.1+esm2
                                  Available with Ubuntu Pro

Ubuntu 16.04 LTS
  needrestart                     2.6-1ubuntu0.1~esm2
                                  Available with Ubuntu Pro

In general, a standard system update will make all the necessary changes.

References:
  https://ubuntu.com/security/notices/USN-7117-2
  https://ubuntu.com/security/notices/USN-7117-1
  https://launchpad.net/bugs/2089193

Package Information:
  https://launchpad.net/ubuntu/+source/needrestart/3.6-8ubuntu4.3
  https://launchpad.net/ubuntu/+source/needrestart/3.6-7ubuntu4.4
  https://launchpad.net/ubuntu/+source/needrestart/3.5-5ubuntu2.3