USN-2478-1: libssh vulnerability
Ubuntu Security Notice USN-2478-1
19th January, 2015
libssh vulnerability
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 14.10
- Ubuntu 14.04 LTS
- Ubuntu 12.04 LTS
Summary
libssh could be made to crash if it received specially crafted network traffic.
Software description
- libssh - A tiny C SSH library
Details
It was discovered that libssh incorrectly handled certain kexinit packets.
A remote attacker could possibly use this issue to cause libssh to crash,
resulting in a denial of service.
Update instructions
The problem can be corrected by updating your system to the following package version:
- Ubuntu 14.10:
- libssh-4 0.6.3-2ubuntu1.1
- Ubuntu 14.04 LTS:
- libssh-4 0.6.1-0ubuntu3.1
- Ubuntu 12.04 LTS:
- libssh-4 0.5.2-1ubuntu0.12.04.4
To update your system, please follow these instructions: http://bit.ly/1aJDvTw.
In general, a standard system update will make all the necessary changes.
References
from Ubuntu Security Notices http://bit.ly/14XVsjN