Fwd: [c-nsp] Cisco Security Advisory: Cisco ASA Software IKEv1 and IKEv2 Buffer Overflow Vulnerability

Sadiq Saif lists at sadiqs.com
Wed Feb 10 20:36:46 UTC 2016


Update your ASAs folks, this is a critical one.


-------- Forwarded Message --------
Subject: [c-nsp] Cisco Security Advisory: Cisco ASA Software IKEv1 and
IKEv2 Buffer Overflow Vulnerability
Date: Wed, 10 Feb 2016 08:06:51 -0800
From: Cisco Systems Product Security Incident Response Team
<psirt at cisco.com>
Reply-To: psirt at cisco.com
To: cisco-nsp at puck.nether.net
CC: psirt at cisco.com

Cisco Security Advisory: Cisco ASA Software IKEv1 and IKEv2 Buffer
Overflow Vulnerability

Advisory ID: cisco-sa-20160210-asa-ike

Revision 1.0

For Public Release 2016 February 10 16:00  GMT (UTC)

+---------------------------------------------------------------------


Summary
=======

A vulnerability in the Internet Key Exchange (IKE) version 1 (v1) and
IKE version 2 (v2) code of Cisco ASA Software could allow an
unauthenticated, remote attacker to cause a reload of the affected
system or to remotely execute code.

The vulnerability is due to a buffer overflow in the affected code area.
An attacker could exploit this vulnerability by sending crafted UDP
packets to the affected system. An exploit could allow the attacker to
execute arbitrary code and obtain full control of the system or to cause
a reload of the affected system.

Note: Only traffic directed to the affected system can be used to
exploit this vulnerability. This vulnerability affects systems
configured in routed firewall mode only and in single or multiple
context mode. This vulnerability can be triggered by IPv4 and IPv6 traffic.

Cisco has released software updates that address this vulnerability.
This advisory is available at the following link:
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160210-asa-ike



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