USN-3476-2: postgresql-common vulnerabilities

Ubuntu Security Notice USN-3476-2

27th November, 2017

postgresql-common vulnerabilities

A security issue affects these releases of Ubuntu and its derivatives:

  • Ubuntu 12.04 LTS

Summary

postgresql-common could be made to overwrite files as the administrator.

Software description

  • postgresql-common - PostgreSQL database-cluster manager

Details

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)

Update instructions

The problem can be corrected by updating your system to the following package version:

Ubuntu 12.04 LTS:
postgresql-common 129ubuntu1.2

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-2016-1255, CVE-2017-8806