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USN-3476-2: postgresql-common vulnerabilities

27 November 2017

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

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Releases

Packages

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)

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

Update instructions

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

Ubuntu 12.04

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

Related notices

  • USN-3476-1: postgresql, postgresql-contrib, postgresql-server-dev-all, postgresql-client-common, postgresql-doc, postgresql-client, postgresql-common