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computer vulnerability bulletin CVE-2016-6385

Cisco IOS, IOS XE: memory leak via Smart Install

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.
Identifiers: CERTFR-2016-AVI-322, cisco-sa-20160928-smi, CSCuy82367, CVE-2016-6385, VIGILANCE-VUL-20728.

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.
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