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AUSCERT External Security Bulletin Redistribution
21 February 2017
AusCERT Security Bulletin Summary
Operating System: Ubuntu
Impact/Access: Execute Arbitrary Code/Commands -- Remote with User Interaction
Denial of Service -- Remote with User Interaction
CVE Names: CVE-2017-5885 CVE-2017-5884
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USN-3203-1: gtk-vnc vulnerabilities
Ubuntu Security Notice USN-3203-1
20th February, 2017
A security issue affects these releases of Ubuntu and its derivatives:
Ubuntu 14.04 LTS
Ubuntu 12.04 LTS
gtk-vnc could be made to crash or run programs if it received specially
crafted network traffic.
gtk-vnc - VNC viewer widget
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.
The problem can be corrected by updating your system to the following package
Ubuntu 14.04 LTS:
Ubuntu 12.04 LTS:
To update your system, please follow these instructions:
In general, a standard system update will make all the necessary changes.
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