BugTraq
Cisco Security Advisory: Cisco IOS Software DHCP Version 6 Denial of Service Vulnerability Sep 24 2014 04:24PM
Cisco Systems Product Security Incident Response Team (psirt cisco com)
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

Cisco IOS Software DHCP Version 6 Denial of Service Vulnerability

Advisory ID: cisco-sa-20140924-dhcpv6

Revision 1.0

For Public Release 2014 September 24 16:00 UTC (GMT)

Summary
+======

A vulnerability in the DHCP version 6 (DHCPv6) server implementation of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition.

The vulnerability is due to improper parsing of malformed DHCPv6 packets. An attacker could exploit this vulnerability by sending malformed DHCPv6 packets to be processed by an affected device. An exploit could allow the attacker to cause a memory leak and eventual reload of an affected device.

Cisco has released free software updates that address this vulnerability. This advisory is available at the following link:
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cis
co-sa-20140924-dhcpv6

Note: The September 24, 2014, Cisco IOS Software Security Advisory bundled publication includes six Cisco Security Advisories. All advisories address vulnerabilities in Cisco IOS Software. Individual publication links are in Cisco Event Response: Semiannual Cisco IOS Software Security Advisory Bundled Publication at the following link:

http://www.cisco.com/web/about/security/intelligence/Cisco_ERP_sep14.htm
l

-----BEGIN PGP SIGNATURE-----
Version: GnuPG/MacGPG2 v2.0.22 (Darwin)
Comment: GPGTools - http://gpgtools.org
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=N1Wn
-----END PGP SIGNATURE-----

[ reply ]


 

Privacy Statement
Copyright 2010, SecurityFocus