Actu
Vigil@nce - Cisco IOS: denial of service via SIP NAT
October 2014 by Vigil@nce
This bulletin was written by Vigil@nce : http://vigilance.fr/offer
SYNTHESIS OF THE VULNERABILITY
An attacker can send a malicious SIP NAT packet to Cisco IOS, in
order to trigger a denial of service.
– Impacted products: IOS, Cisco Router xx00 Series
– Severity: 2/4
– Creation date: 25/09/2014
DESCRIPTION OF THE VULNERABILITY
The Cisco IOS product can be configured to translate SIP packets
(NAT ALG for multipart SDP).
However, when a malicious packet is received, a fatal error occurs.
An attacker can therefore send a malicious SIP packet to Cisco
IOS, in order to trigger a denial of service.
ACCESS TO THE COMPLETE VIGIL@NCE BULLETIN
http://vigilance.fr/vulnerability/Cisco-IOS-denial-of-service-via-SIP-NAT-15405
