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Sicherheit: Zwei Probleme in postgresql-common
Aktuelle Meldungen Distributionen
Name: Zwei Probleme in postgresql-common
ID: USN-3476-1
Distribution: Ubuntu
Plattformen: Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, Ubuntu 17.04, Ubuntu 17.10
Datum: Do, 9. November 2017, 23:17
Referenzen: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-1255
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-8806

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From: Marc Deslauriers <marc.deslauriers@canonical.com>
Reply-To: Ubuntu Security <security@ubuntu.com>
To: ubuntu-security-announce@lists.ubuntu.com
Message-ID: <8af3ac34-82e5-ce13-f016-d970f32fdf6c@canonical.com>
Subject: [USN-3476-1] postgresql-common vulnerabilities

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==========================================================================
Ubuntu Security Notice USN-3476-1
November 09, 2017

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

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

- Ubuntu 17.10
- Ubuntu 17.04
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS

Summary:

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

Software Description:
- 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 LTS:
postgresql-common 173ubuntu0.1

Ubuntu 14.04 LTS:
postgresql-common 154ubuntu1.1

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

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

Package Information:
https://launchpad.net/ubuntu/+source/postgresql-common/184ubuntu1.1
https://launchpad.net/ubuntu/+source/postgresql-common/179ubuntu0.1
https://launchpad.net/ubuntu/+source/postgresql-common/173ubuntu0.1
https://launchpad.net/ubuntu/+source/postgresql-common/154ubuntu1.1



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