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Cisco IPSec Unspecified IKE Traffic Denial Of Service Vulnerabilities

Various Cisco IOS, PIX Firewall, Firewall Services Module (FWSM), VPN 3000 Series Concentrator, and MDS Series SanOS releases are prone to denial of service attacks. These issues are due to security flaws in Cisco's IPSec implementation. The vulnerabilities may be triggered by malformed IKE traffic.

Successful attacks will cause most affected devices to restart. For Cisco MDS Series devices, this is limited to causing the IKE process to restart.







 

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