Secunia

Some vulnerabilities have been reported in multiple Cisco Products, which can be exploited by malicious people to cause a DoS (Denial of Service) and by malicious users to bypass certain security restrictions.

1) An unspecified error can be exploited to reload the device or to render the web authentication functionality unusable.

2) An error when processing POST requests sent to the web authentication login.html page can be exploited to trigger a device reload.

The vulnerabilities affect Wireless LAN Controller software versions 4.1 and later on all platforms.

3) An error related to the TSEC driver can be exploited to render a device unresponsive via specially crafted IP packets.

This vulnerability affects software versions 4.1 and later for Cisco 4400 series Wireless LAN Controller, Cisco Catalyst 6500 / 7600 Wireless Service Module (WiSM), and the Cisco Catalyst 3750 Integrated Wireless LAN Controllers.

4) An unspecified error can be exploited by unprivileged users to gain full administrative rights to an affected system.

This vulnerability affects Wireless LAN Controller software version 4.2.173.0.

Solution
Update to a fixed version. Please see vendor advisory for a patch matrix.

Provided and/or discovered by
Reported by the vendor.

Original Advisory
http://www.cisco.com/warp/public/707/cisco-sa-20090204-wlc.shtml

Deep Links
Links available in Customer Area