The Network Processing Unit (NPU) in the Cisco Wireless LAN Controller (WLC) before 3.2.171.5, 4.0.x before 4.0.206.0, and 4.1.x allows remote attackers on a local wireless network to cause a denial of service (loss of packet forwarding) via (1) crafted SNAP packets, (2) malformed 802.11 traffic, or (3) packets with certain header length values, aka Bug IDs CSCsg15901 and CSCsh10841.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Wireless_lan_controller_software | Cisco | 3.2 (including) | 3.2.171.5 (excluding) |
| Wireless_lan_controller_software | Cisco | 4.0 (including) | 4.0.206.0 (excluding) |
| Wireless_lan_controller_software | Cisco | 4.1 (including) | 4.1.171.0 (excluding) |
References
- http://securitytracker.com/id?1017908
- http://www.cisco.com/warp/public/707/cisco-sa-20070412-wlc.shtml
- http://www.osvdb.org/34137
- http://www.osvdb.org/34139
- http://www.securityfocus.com/bid/23461
- http://www.vupen.com/english/advisories/2007/1368
- https://exchange.xforce.ibmcloud.com/vulnerabilities/33609
- http://securitytracker.com/id?1017908
- http://www.cisco.com/warp/public/707/cisco-sa-20070412-wlc.shtml
- http://www.osvdb.org/34137
- http://www.osvdb.org/34139
- http://www.securityfocus.com/bid/23461
- http://www.vupen.com/english/advisories/2007/1368
- https://exchange.xforce.ibmcloud.com/vulnerabilities/33609