USN-3476-1: postgresql-common vulnerabilities

Releases

• Ubuntu 17.10
• Ubuntu 17.04
• Ubuntu 16.04 ESM
• Ubuntu 14.04 ESM

Packages

• 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 versions:

Ubuntu 17.10

• postgresql-common - 184ubuntu1.1

Ubuntu 17.04

• postgresql-common - 179ubuntu0.1

Ubuntu 16.04

• postgresql-common - 173ubuntu0.1

Ubuntu 14.04

• postgresql-common - 154ubuntu1.1

In general, a standard system update will make all the necessary changes.

References

• CVE-2016-1255
• CVE-2017-8806

Related notices

• USN-3476-2