Cisco Wireless LAN Controller (WLC) devices 7.0 before 7.0.250.0, 7.2, 7.3, and 7.4 before 7.4.110.0 do not properly deallocate memory, which allows remote attackers to cause a denial of service (reboot) by sending WebAuth login requests at a high rate, aka Bug ID CSCuf52361.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Wireless_lan_controller_software | Cisco | 7.0 (including) | 7.0 (including) |
| Wireless_lan_controller_software | Cisco | 7.0.220.0 (including) | 7.0.220.0 (including) |
| Wireless_lan_controller_software | Cisco | 7.0.235.0 (including) | 7.0.235.0 (including) |
| Wireless_lan_controller_software | Cisco | 7.2 (including) | 7.2 (including) |
| Wireless_lan_controller_software | Cisco | 7.2.103.0 (including) | 7.2.103.0 (including) |
| Wireless_lan_controller_software | Cisco | 7.2.110.0 (including) | 7.2.110.0 (including) |
| Wireless_lan_controller_software | Cisco | 7.3 (including) | 7.3 (including) |
| Wireless_lan_controller_software | Cisco | 7.3.101.0 (including) | 7.3.101.0 (including) |
| Wireless_lan_controller_software | Cisco | 7.4.100.0 (including) | 7.4.100.0 (including) |
| Wireless_lan_controller_software | Cisco | 7.4.100.60 (including) | 7.4.100.60 (including) |