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Ubuntu Security Notice USN-3476-2

Ubuntu Security Notice USN-3476-2
Posted Nov 27, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3476-2 - USN-3476-1 fixed two vulnerabilities in postgresql-common. This update provides the corresponding update for Ubuntu 12.04 ESM. Dawid Golunski discovered that the postgresql-common pg_ctlcluster script incorrectly handled symlinks. A local attacker could possibly use this issue to escalate privileges. Various other issues were also addressed.

tags | advisory, local, vulnerability
systems | linux, ubuntu
advisories | CVE-2016-1255, CVE-2017-8806
MD5 | 516949c3cc678726f2ab1d952e928051

Ubuntu Security Notice USN-3476-2

Change Mirror Download
==========================================================================
Ubuntu Security Notice USN-3476-2
November 27, 2017

postgresql-common vulnerabilities
==========================================================================

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

- Ubuntu 12.04 ESM

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 versions:

Ubuntu 12.04 ESM:
postgresql-common 129ubuntu1.2

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

References:
https://www.ubuntu.com/usn/usn-3476-2
https://www.ubuntu.com/usn/usn-3476-1
CVE-2016-1255, CVE-2017-8806

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