A vulnerability was found in the current Backtrack 5 R2 version of the "Wicd" ( Wireless Interface Connection Daemon) software, where several design flaws have been found culminating in privilege escalation exploit. [1]

To address this vulnerability, Wicd 1.7.2 was released to patch this vulnerability (CVE-2012-2095) as well as several other fixes have been included in this update. The list of fixes is available here and the latest tarball can be downloaded here.

Update 1: The privilege Escalation 0day exploit only affects the Wicd software and is not a Backtrack 5 R2 vulnerability.

[1] http://www.infosecinstitute.com/courses/ethical_hacking_training.html
[2] https://launchpad.net/wicd/+announcement/9888
[3] https://bugs.launchpad.net/wicd/+bug/979221
[4] https://launchpad.net/wicd/1.7/1.7.2/+download/wicd-1.7.2.tar.gz

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Guy Bruneau IPSS Inc. gbruneau at isc dot sans dot edu