Articles by KENNETH

USN-3994-1: gnome-desktop vulnerability gnome-desktop3 vulnerability A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 19.04 Ubuntu 18.10 Ubuntu 18.04 LTS Summary gnome-desktop could be made to escape the thumbnailer sandbox. Software Description gnome-desktop3 – Introspection data for GnomeDesktop Details It was discovered that gnome-desktop incorrectly confined thumbnailers. If a user were tricked into downloading a malicious image file, a remote attacker could possibly combine this issue with another vulnerability to escape the sandbox and execute arbitrary code. Update instructions The problem can be corrected by updating your system to the following package versions: Ubuntu 19.04 libgnome-desktop-3-17 – 3.32.1-1ubuntu1.1 Ubuntu 18.10 libgnome-desktop-3-17 – 3.30.1-1ubuntu1.1 Ubuntu 18.04 LTS libgnome-desktop-3-17 – 3.28.2-0ubuntu1.3 To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades. After a standard system update you need to restart your session to make all the necessary changes. References CVE-2019-11460 [ more… ]

USN-3976-3: Samba regression samba regression A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 18.04 LTS Ubuntu 16.04 LTS Summary USN-3976-1 introduced a regression in Samba. Software Description samba – SMB/CIFS file, print, and login server for Unix Details USN-3976-1 fixed a vulnerability in Samba. The update introduced a regression causing Samba to occasionally crash. This update fixes the problem. We apologize for the inconvenience. Original advisory details: Isaac Boukris and Andrew Bartlett discovered that Samba incorrectly checked S4U2Self packets. In certain environments, a remote attacker could possibly use this issue to escalate privileges. Update instructions The problem can be corrected by updating your system to the following package versions: Ubuntu 18.04 LTS samba – 2:4.7.6+dfsg~ubuntu-0ubuntu2.11 Ubuntu 16.04 LTS samba – 2:4.3.11+dfsg-0ubuntu0.16.04.21 To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades. In general, a standard system update [ more… ]