March 1st, 2017 By Michael Cooney
Cisco NetFlow appliances typically sit in campus and data center locations and monitor high-throughput Gigabit Ethernet networks.
Cisco today issued a security warning about a potential vulnerability in its NetFlow traffic monitoring device that could cause the system to lock-up.
Specifically, Cisco wrote: “A vulnerability in the Stream Control Transmission Protocol (SCTP) decoder of the Cisco NetFlow Generation Appliance (NGA) could allow an unauthenticated, remote attacker to cause the device to hang or unexpectedly reload, causing a denial of service (DoS) condition. The vulnerability is due to incomplete validation of SCTP packets being monitored on the NGA data ports.
Cisco said it has released software that address this vulnerability.
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