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Cisco Security Advisory 20161012-msc

Cisco Security Advisory 20161012-msc
Posted Oct 12, 2016
Authored by Cisco Systems | Site cisco.com

Cisco Security Advisory - A vulnerability in the Extensible Messaging and Presence Protocol (XMPP) service of the Cisco Meeting Server (CMS) could allow an unauthenticated, remote attacker to masquerade as a legitimate user. This vulnerability is due to the XMPP service incorrectly processing a deprecated authentication scheme. A successful exploit could allow an attacker to access the system as another user. Cisco has released software updates that address this vulnerability. Workarounds that address this vulnerability in some environments are available.

tags | advisory, remote, protocol
systems | cisco
SHA-256 | 94d4d98592bf68b04c291f2f419a084d227bb9e58eb9e47958f9e47f8ba0436b

Cisco Security Advisory 20161012-msc

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-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

Cisco Meeting Server Client Authentication Bypass Vulnerability

Advisory ID: cisco-sa-20161012-msc

Revision 1.0

For Public Release 2016 October 12 16:00 UTC (GMT)
Last Updated 2016 October 12 16:00 UTC (GMT)

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

Summary
=======

A vulnerability in the Extensible Messaging and Presence Protocol (XMPP)
service of the Cisco Meeting Server (CMS) could allow an unauthenticated,
remote attacker to masquerade as a legitimate user. This vulnerability
is due to the XMPP service incorrectly processing a deprecated
authentication scheme. A successful exploit could allow an attacker to
access the system as another user.

Cisco has released software updates that address this vulnerability.
Workarounds that address this vulnerability in some environments are
available.

This advisory is available at the following link:
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20161012-msc
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