USN-2876-1: eCryptfs vulnerability
Ubuntu Security Notice USN-2876-1 20th January, 2016 ecryptfs-utils vulnerability A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 15.10 Ubuntu 15.04 Ubuntu 14.04 LTS Ubuntu 12.04 LTS Summary mount.ecryptfs_private could be used to run programs as an administrator. Software description ecryptfs-utils – eCryptfs cryptographic filesystem utilities Details Jann Horn discovered that mount.ecryptfs_private would mount over certaindirectories in the proc filesystem. A local attacker could use this to escalatetheir privileges. (CVE-2016-1572) Update instructions The problem can be corrected by updating your system to the following package version: Ubuntu 15.10: ecryptfs-utils 108-0ubuntu1.1 Ubuntu 15.04: ecryptfs-utils 107-0ubuntu1.3 Ubuntu 14.04 LTS: ecryptfs-utils 104-0ubuntu1.14.04.4 Ubuntu 12.04 LTS: ecryptfs-utils 96-0ubuntu3.5 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-2016-1572 Source: ubuntu-usn