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


CVE-2014-8132






from Ubuntu Security Notices http://bit.ly/14XVsjN