Laurent Butti, Jerome Razniewski, and Julien Tinnes discovered that the MadWifi wireless driver did not correctly check packet contents when receiving scan replies. A remote attacker could send a specially crafted packet and execute arbitrary code with root privileges.
The problem can be corrected by updating your system to the following package versions:
9 January 2007
A security issue affects these releases of Ubuntu and its derivatives:
Laurent Butti, Jerome Razniewski, and Julien Tinnes discovered that the MadWifi wireless driver did not correctly check packet contents when receiving scan replies. A remote attacker could send a specially crafted packet and execute arbitrary code with root privileges.
The problem can be corrected by updating your system to the following package versions:
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
After a standard system upgrade you need to reboot your computer to effect the necessary changes.
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