USN-5825-1: PAM vulnerability
25 January 2023
PAM would allow unintended access to the machine over network.
Releases
Packages
- pam - Pluggable Authentication Modules
Details
It was discovered that PAM did not correctly restrict login from an IP
address that is not resolvable via DNS. An attacker could possibly use this
issue to bypass authentication.
Update instructions
The problem can be corrected by updating your system to the following package versions:
Ubuntu 22.10
Ubuntu 22.04
Ubuntu 20.04
Ubuntu 18.04
Ubuntu 16.04
-
libpam-modules
-
1.1.8-3.2ubuntu2.3+esm2
Available with Ubuntu Pro
Ubuntu 14.04
-
libpam-modules
-
1.1.8-1ubuntu2.2+esm1
Available with Ubuntu Pro
In general, a standard system update will make all the necessary changes.