USN-566-1: OpenSSH vulnerability

Publication date

9 January 2008

Overview

OpenSSH vulnerability


Packages

Details

Jan Pechanec discovered that ssh would forward trusted X11 cookies when
untrusted cookie generation failed. This could lead to unintended privileges
being forwarded to a remote host.

Jan Pechanec discovered that ssh would forward trusted X11 cookies when
untrusted cookie generation failed. This could lead to unintended privileges
being forwarded to a remote host.

Update instructions

In general, a standard system upgrade is sufficient to effect 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
7.10 gutsy openssh-client –  1:4.6p1-5ubuntu0.1
7.04 feisty openssh-client –  1:4.3p2-8ubuntu1.1
6.10 edgy openssh-client –  1:4.3p2-5ubuntu1.1
6.06 dapper openssh-client –  1:4.2p1-7ubuntu3.2

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.


Have additional questions?

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