USN-3938-1: systemd vulnerability
USN-3938-1: systemd vulnerability systemd vulnerability A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 18.10 Ubuntu 18.04 LTS Ubuntu 16.04 LTS Ubuntu 14.04 LTS Summary The systemd PAM module could be used to gain additional PolicyKit privileges. Software Description systemd – system and service manager Details Jann Horn discovered that pam_systemd created logind sessions using some parameters from the environment. A local attacker could exploit this in order to spoof the active session and gain additional PolicyKit privileges. Update instructions The problem can be corrected by updating your system to the following package versions: Ubuntu 18.10 libpam-systemd – 239-7ubuntu10.12 Ubuntu 18.04 LTS libpam-systemd – 237-3ubuntu10.19 Ubuntu 16.04 LTS libpam-systemd – 229-4ubuntu21.21 Ubuntu 14.04 LTS libpam-systemd – 204-5ubuntu20.31 To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades. In general, a standard system update will make all the necessary [ more… ]