USN-4077-1: tmpreaper vulnerability
USN-4077-1: tmpreaper vulnerability tmpreaper vulnerability A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 18.04 LTS Ubuntu 16.04 LTS Summary tmpreaper could be made to overwrite files as the administrator. Software Description tmpreaper – cleans up files in directories based on their age Details It was discovered that tmpreaper incorrectly handled certain mount operations. A local attacker could possibly use this issue to create arbitrary files, leading to privilege escalation. Update instructions The problem can be corrected by updating your system to the following package versions: Ubuntu 18.04 LTS tmpreaper – 1.6.13+nmu1+deb9u1build0.18.04.1 Ubuntu 16.04 LTS tmpreaper – 1.6.13+nmu1+deb9u1build0.16.04.1 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 changes. References CVE-2019-3461 Source: USN-4077-1: tmpreaper vulnerability