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Sicherheit: Zwei Probleme in GTK-VNC
Aktuelle Meldungen Distributionen
Name: Zwei Probleme in GTK-VNC
ID: USN-3203-1
Distribution: Ubuntu
Plattformen: Ubuntu 12.04 LTS, Ubuntu 14.04 LTS
Datum: Mo, 20. Februar 2017, 20:30
Referenzen: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-5884
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-5885

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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"
<ubuntu-security-announce@lists.ubuntu.com>
Message-ID: <48c88272-bb75-ff3e-c9f2-3e1efd257375@canonical.com>
Subject: [USN-3203-1] gtk-vnc vulnerabilities

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==========================================================================
Ubuntu Security Notice USN-3203-1
February 20, 2017

gtk-vnc vulnerabilities
==========================================================================

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

- Ubuntu 14.04 LTS
- Ubuntu 12.04 LTS

Summary:

gtk-vnc could be made to crash or run programs if it received specially
crafted network traffic.

Software Description:
- gtk-vnc: VNC viewer widget

Details:

It was discovered that gtk-vnc incorrectly validated certain data. A
malicious server could use this issue to cause gtk-vnc to crash, resulting
in a denial of service, or possibly execute arbitrary code.

Update instructions:

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

Ubuntu 14.04 LTS:
libgtk-vnc-1.0-0 0.5.3-0ubuntu2.1
libgtk-vnc-2.0-0 0.5.3-0ubuntu2.1
libgvnc-1.0-0 0.5.3-0ubuntu2.1

Ubuntu 12.04 LTS:
libgtk-vnc-1.0-0 0.5.0-1ubuntu1.1
libgtk-vnc-2.0-0 0.5.0-1ubuntu1.1
libgvnc-1.0-0 0.5.0-1ubuntu1.1

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

References:
http://www.ubuntu.com/usn/usn-3203-1
CVE-2017-5884, CVE-2017-5885

Package Information:
https://launchpad.net/ubuntu/+source/gtk-vnc/0.5.3-0ubuntu2.1
https://launchpad.net/ubuntu/+source/gtk-vnc/0.5.0-1ubuntu1.1



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