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

June 2017 by Vigil@nce

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

SYNTHESIS OF THE VULNERABILITY

An authenticated attacker can send malicious SNMP packets to a
device running Cisco IOS XE, in order to trigger a denial of
service.

Impacted products: Cisco Catalyst, IOS by Cisco, IOS XE Cisco,
Cisco Router.

Severity: 2/4.

Creation date: 20/04/2017.

Revision date: 10/05/2017.

DESCRIPTION OF THE VULNERABILITY

The Cisco IOS and IOS XE products have a service to manage
received SNMP packets.

However, when malicious SNMP packets are received, a fatal error
then a device reboot occurs.

An authenticated attacker can therefore send malicious SNMP
packets to a device running Cisco IOS XE, in order to trigger a
denial of service.

ACCESS TO THE COMPLETE VIGIL@NCE BULLETIN

https://vigilance.fr/vulnerability/Cisco-IOS-XE-denial-of-service-via-SNMP-22513


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