A vulnerability in the Forwarding Information Base (FIB) code of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, network malicious user to cause a denial of service (DoS) condition. The vulnerability is due to a limitation in the way the FIB is internally representing recursive routes. An attacker could exploit this vulnerability by injecting routes into the routing protocol that have a specific recursive pattern. The attacker must be in a position on the network that provides the ability to inject a number of recursive routes with a specific pattern. An exploit could allow the malicious user to cause an affected device to reload, creating a DoS condition. Cisco Bug IDs: CSCva91655.
| Vulnerable Product | Search on Vulmon | Subscribe to Product |
|---|---|---|
cisco ios xe |
Vulmon