1. Ubuntu Security Notices
  2. USN-597-1

USN-597-1: OpenSSH vulnerability

Publication date

1 April 2008

Overview

OpenSSH vulnerability

Releases

Packages

Details

Timo Juhani Lindfors discovered that the OpenSSH client, when port
forwarding was requested, would listen on any available address family.
A local attacker could exploit this flaw on systems with IPv6 enabled
to hijack connections, including X11 forwards.

Timo Juhani Lindfors discovered that the OpenSSH client, when port
forwarding was requested, would listen on any available address family.
A local attacker could exploit this flaw on systems with IPv6 enabled
to hijack connections, including X11 forwards.

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 –  1:4.6p1-5ubuntu0.2
7.04 feisty openssh-client –  1:4.3p2-8ubuntu1.2
6.10 edgy openssh-client –  1:4.3p2-5ubuntu1.2
6.06 dapper openssh-client –  1:4.2p1-7ubuntu3.3

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References

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