USN-3476-2: postgresql-common vulnerabilities

27 November 2017

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

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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)

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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.

References

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