USN-3476-1: postgresql-common vulnerabilities
Ubuntu Security Notice USN-3476-1
9th November, 2017
postgresql-common vulnerabilities
A security issue affects these releases of Ubuntu and its
derivatives:
- Ubuntu 17.10
- Ubuntu 17.04
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS
Summary
postgresql-common could be made to overwrite files as the administrator.
Software description
- postgresql-common
– PostgreSQL database-cluster manager
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. This issue only affected Ubuntu 14.04 LTS and
Ubuntu 16.04 LTS. (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)
Update instructions
The problem can be corrected by updating your system to the following
package version:
- Ubuntu 17.10:
-
postgresql-common
184ubuntu1.1
- Ubuntu 17.04:
-
postgresql-common
179ubuntu0.1
- Ubuntu 16.04 LTS:
-
postgresql-common
173ubuntu0.1
- Ubuntu 14.04 LTS:
-
postgresql-common
154ubuntu1.1
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
Source: USN-3476-1: postgresql-common vulnerabilities
