postgresql-common could be made to overwrite files as the administrator.
USN-3476-1 fixed two vulnerabilities in postgresql-common. This update provides the corresponding update for Ubuntu 12.04 ESM.
27 November 2017
A security issue affects these releases of Ubuntu and its derivatives:
postgresql-common could be made to overwrite files as the administrator.
USN-3476-1 fixed two vulnerabilities in postgresql-common. This update provides the corresponding update for Ubuntu 12.04 ESM.
Original advisory details:
Dawid Golunski discovered that the postgresql-common pg_ctlcluster script incorrectly handled symlinks. A local attacker could possibly use this issue to escalate privileges. (CVE-2016-1255)
It was discovered that the postgresql-common helper scripts incorrectly handled symlinks. A local attacker could possibly use this issue to escalate privileges. (CVE-2017-8806)
The problem can be corrected by updating your system to the following package versions:
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.
Vulmon