USN-1464-1: Ubuntu Single Sign On Client vulnerability

Publication date

6 June 2012

Overview

Fraudulent security certificates could allow sensitive information to be exposed when accessing the Internet.


Packages

Details

It was discovered that the Ubuntu Single Sign On Client incorrectly
validated server certificates when using HTTPS connections. If a remote
attacker were able to perform a machine-in-the-middle attack, this flaw could
be exploited to alter or compromise confidential information.

It was discovered that the Ubuntu Single Sign On Client incorrectly
validated server certificates when using HTTPS connections. If a remote
attacker were able to perform a machine-in-the-middle attack, this flaw could
be exploited to alter or compromise confidential information.

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
11.10 oneiric ubuntu-sso-client –  1.4.1-0ubuntu1.1
11.04 natty ubuntu-sso-client –  1.2.1-0ubuntu2.1

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