Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software EIGRP Denial of Service Vulnerability
Cisco fixed an EIGRP flaw in Secure Firewall ASA/FTD software letting unauthenticated adjacent attackers trigger memory leaks and unexpected device reloads.
A vulnerability in the EIGRP implementation of Cisco Secure Firewall ASA and FTD Software stems from improper resource management when handling EIGRP update messages. An unauthenticated, adjacent attacker can send crafted EIGRP updates at a high rate to cause a memory leak that eventually reloads the device, creating a denial of service. Cisco has released software updates addressing the issue.
- Improper resource handling of EIGRP update messages causes memory exhaustion
- Unauthenticated adjacent attacker can trigger unexpected device reload
- Exploitation requires sending crafted EIGRP updates at high rate
- Cisco has released software updates
A vulnerability in the EIGRP implementation in Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and Cisco Secure Firewall Threat Defense (FTD) Software could allow an unauthenticated, adjacent attacker to cause the device to reload unexpectedly, resulting in a denial of service (DoS) condition. This vulnerability is due to improper resource management when handling EIGRP update messages. An attacker could exploit this vulnerability by sending crafted EIGRP updates at a high rate to an affected device. A successful exploit could allow the attacker to trigger a memory leak that will eventually cause the affected device to reload unexpectedly. Cisco has released software…
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