1. Ubuntu Security Notices
  2. USN-2478-1

USN-2478-1: libssh vulnerability

Publication date

19 January 2015

Overview

libssh could be made to crash if it received specially crafted network traffic.

Releases

Packages

  • 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.

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

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

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
14.10 utopic libssh-4 –  0.6.3-2ubuntu1.1
14.04 trusty libssh-4 –  0.6.1-0ubuntu3.1
12.04 precise libssh-4 –  0.5.2-1ubuntu0.12.04.4

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References

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