Vigil@nce - Cisco IOS, IOS XE: memory leak via Smart Install
November 2016 by Vigil@nce
This bulletin was written by Vigil@nce : https://vigilance.fr/offer
SYNTHESIS OF THE VULNERABILITY
An attacker can create a memory leak via Smart Install of Cisco
IOS or IOS XE, in order to trigger a denial of service.
– Impacted products: Cisco Catalyst, IOS by Cisco, IOS XE Cisco.
– Severity: 2/4.
– Creation date: 29/09/2016.
DESCRIPTION OF THE VULNERABILITY
The Cisco IOS or IOS XE product has a service to manage received
Smart Install (4786/tcp) packets.
However, the memory allocated to process some packets is never
freed.
An attacker can therefore create a memory leak via Smart Install
of Cisco IOS or IOS XE, in order to trigger a denial of service.
ACCESS TO THE COMPLETE VIGIL@NCE BULLETIN
https://vigilance.fr/vulnerability/Cisco-IOS-IOS-XE-memory-leak-via-Smart-Install-20728