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Vigil@nce - Cisco IOS XE: denial of service via OTV

June 2015 by Vigil@nce

This bulletin was written by Vigil@nce : http://vigilance.fr/offer

SYNTHESIS OF THE VULNERABILITY

An attacker can send malicious packets to Cisco IOS XE for OTV, in
order to trigger a denial of service.

 Impacted products: Cisco Catalyst, IOS XE Cisco, Cisco Router xx00
Series
 Severity: 2/4
 Creation date: 29/04/2015

DESCRIPTION OF THE VULNERABILITY

The Cisco IOS XE product has a service to manage OTV (Overlay
Transport Virtualization ) frames.

However, when a sequence of packets requires a fragmentation and
reassembly operation, a fatal error occurs.

An attacker can therefore send malicious packets to Cisco IOS XE
for OTV, in order to trigger a denial of service.

ACCESS TO THE COMPLETE VIGIL@NCE BULLETIN

http://vigilance.fr/vulnerability/Cisco-IOS-XE-denial-of-service-via-OTV-16764


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