[c-nsp] Cisco Security Advisory: Cisco Unified MeetingPlace Web Conferencing Authentication Bypass Vulnerability

Wed Feb 25 11:00:00 EST 2009

Cisco Unified MeetingPlace Web Conferencing servers may contain an
authentication bypass vulnerability that could allow an
unauthenticated user to gain administrative access to the
MeetingPlace application. Cisco has released free software updates
that address this vulnerability.

This advisory is posted at:

http://www.cisco.com/warp/public/707/cisco-sa-20090225-mtgplace.shtml

Affected Products
=================

Cisco Unified MeetingPlace conferencing solution provides
functionality that allows organizations to host integrated voice,
video, and web conferencing. The solution is deployed on-network,
behind the firewall and integrated directly into an organization's
private voice/data networks and enterprise applications. Cisco
Unified MeetingPlace servers can be deployed so that the server is
accessible from the Internet, allowing external parties to
participate in meetings.

Vulnerable Products
+------------------

Cisco Unified MeetingPlace Web Conferencing servers running software
versions 6.0 and 7.0 may be affected by this vulnerability.

Products Confirmed Not Vulnerable
+--------------------------------

Cisco Unified MeetingPlace Web Conferencing servers not running 6.0
or 7.0 software are not affected by this vulnerability.

Cisco Unified MeetingPlace Express is not affected by this
vulnerability.

No other Cisco products are currently known to be affected by this
vulnerability.

Details
=======

The Cisco Unified MeetingPlace Web Conferencing server may contain a
vulnerability that could allow an unauthenticated user to use a
crafted URL to bypass the authentication mechanisms of the server. If
successful, the user could gain full administrative access to the
Cisco Unified MeetingPlace application.

This vulnerability is documented in Cisco Bug ID CSCsv65815 and has
been assigned Common Vulnerability and Exposures (CVE) ID CVE-2009-0614.

Vulnerability Scoring Details
=============================

Cisco has provided scores for the vulnerabilities in this advisory
based on the Common Vulnerability Scoring System (CVSS). The CVSS
scoring in this Security Advisory is done in accordance with CVSS
version 2.0.

CVSS is a standards-based scoring method that conveys vulnerability
severity and helps determine urgency and priority of response.

Cisco has provided a base and temporal score. Customers can then
compute environmental scores to assist in determining the impact of
the vulnerability in individual networks.

Cisco has provided an FAQ to answer additional questions regarding
CVSS at:

http://www.cisco.com/web/about/security/intelligence/cvss-qandas.html

Cisco has also provided a CVSS calculator to help compute the
environmental impact for individual networks at:

http://intellishield.cisco.com/security/alertmanager/cvss

CSCsv65815 - Authentication Bypass in MeetingPlace Web Server

CVSS Base Score - 9

Access Vector           - Network
Access Complexity       - Low
Authentication          - None
Confidentiality Impact  - Partial
Integrity Impact        - Partial
Availability Impact     - Complete

CVSS Temporal Score - 7.4

Exploitability          - Functional
Remediation Level       - Official-Fix
Report Confidence       - Confirmed

Impact
======

Successful exploitation of the vulnerability may result in
unauthorized access to the administrative functions of the Cisco
Unified MeetingPlace application.

Software Versions and Fixes
===========================

This vulnerability is fixed in Cisco Unified MeetingPlace Web
Conferencing software version 6.0(517.0) also known as Maintenance
Release 4 (MR4) for the 6.0 release, and version 7.0(2) also known as
Maintenance Release 1 (MR1) for the 7.0 release.

The latest versions of Cisco MeetingPlace software can be downloaded
from:

http://tools.cisco.com/support/downloads/go/Redirect.x?mdfid=278875240

The Cisco Unified MeetingPlace Web Server software is available at: 

http://tools.cisco.com/support/downloads/go/Model.x?mdfid=278816725&mdfLevel=Software%20Version/Option&treeName=Voice%20and%20Unified%20Communications&modelName=Cisco%20Unified%20MeetingPlace%20Web%20Conferencing&treeMdfId=278875240

When considering software upgrades, also consult
http://www.cisco.com/go/psirt and any subsequent advisories to determine
exposure and a complete upgrade solution.

In all cases, customers should exercise caution to be certain the
devices to be upgraded contain sufficient memory and that current
hardware and software configurations will continue to be supported
properly by the new release. If the information is not clear, contact
the Cisco Technical Assistance Center (TAC) or your contracted
maintenance provider for assistance.

Workarounds
===========

There are no workarounds for this vulnerability.

Obtaining Fixed Software
========================

Cisco has released free software updates that address these
vulnerabilities. Prior to deploying software, customers should
consult their maintenance provider or check the software for feature
set compatibility and known issues specific to their environment.

Customers may only install and expect support for the feature sets
they have purchased. By installing, downloading, accessing or
otherwise using such software upgrades, customers agree to be bound
by the terms of Cisco's software license terms found at:

http://www.cisco.com/en/US/products/prod_warranties_item09186a008088e31f.html

or as otherwise set forth at Cisco.com Downloads at:

http://www.cisco.com/public/sw-center/sw-usingswc.shtml

Do not contact psirt at cisco.com or security-alert at cisco.com for
software upgrades.

Customers with Service Contracts
+-------------------------------

Customers with contracts should obtain upgraded software through
their regular update channels. For most customers, this means that
upgrades should be obtained through the Software Center on Cisco's
worldwide website at http://www.cisco.com.

Customers using Third Party Support Organizations
+------------------------------------------------

Customers whose Cisco products are provided or maintained through
prior or existing agreements with third-party support organizations,
such as Cisco Partners, authorized resellers, or service providers
should contact that support organization for guidance and assistance
with the appropriate course of action in regards to this advisory.

The effectiveness of any workaround or fix is dependent on specific
customer situations, such as product mix, network topology, traffic
behavior, and organizational mission. Due to the variety of affected
products and releases, customers should consult with their service
provider or support organization to ensure any applied workaround or
fix is the most appropriate for use in the intended network before it
is deployed.

Customers without Service Contracts
+----------------------------------

Customers who purchase direct from Cisco but do not hold a Cisco
service contract, and customers who purchase through third-party
vendors but are unsuccessful in obtaining fixed software through
their point of sale should acquire upgrades by contacting the Cisco
Technical Assistance Center (TAC). TAC contacts are as follows.

  * +1 800 553 2447 (toll free from within North America)
  * +1 408 526 7209 (toll call from anywhere in the world)
  * e-mail: tac at cisco.com

Customers should have their product serial number available and be
prepared to give the URL of this notice as evidence of entitlement to
a free upgrade. Free upgrades for non-contract customers must be
requested through the TAC.

Refer to:

http://www.cisco.com/en/US/support/tsd_cisco_worldwide_contacts.html

for additional TAC contact information, including localized telephone
numbers, and instructions and e-mail addresses for use in various languages.

Exploitation and Public Announcements
=====================================

This vulnerability was reported to Cisco by National Australia Bank's
Security Assurance team.

Cisco would like to thank the National Australia Bank's Security
Assurance team for the discovery and reporting of the vulnerability.

The Cisco PSIRT is not aware of any malicious use of the
vulnerability described in this advisory.

Status of this Notice: FINAL
============================

THIS DOCUMENT IS PROVIDED ON AN "AS IS" BASIS AND DOES NOT IMPLY ANY
KIND OF GUARANTEE OR WARRANTY, INCLUDING THE WARRANTIES OF
MERCHANTABILITY OR FITNESS FOR A PARTICULAR USE. YOUR USE OF THE
INFORMATION ON THE DOCUMENT OR MATERIALS LINKED FROM THE DOCUMENT IS
AT YOUR OWN RISK. CISCO RESERVES THE RIGHT TO CHANGE OR UPDATE THIS
DOCUMENT AT ANY TIME.

A stand-alone copy or Paraphrase of the text of this document that
omits the distribution URL in the following section is an
uncontrolled copy, and may lack important information or contain
factual errors.

Distribution
============

This advisory is posted on Cisco's worldwide website at:

http://www.cisco.com/warp/public/707/cisco-sa-20090225-mtgplace.shtml

In addition to worldwide web posting, a text version of this notice
is clear-signed with the Cisco PSIRT PGP key and is posted to the
following e-mail and Usenet news recipients.

  * cust-security-announce at cisco.com
  * first-bulletins at lists.first.org
  * bugtraq at securityfocus.com
  * vulnwatch at vulnwatch.org
  * cisco at spot.colorado.edu
  * cisco-nsp at puck.nether.net
  * full-disclosure at lists.grok.org.uk
  * comp.dcom.sys.cisco at newsgate.cisco.com

Future updates of this advisory, if any, will be placed on Cisco's
worldwide website, but may or may not be actively announced on
mailing lists or newsgroups. Users concerned about this problem are
encouraged to check the above URL for any updates.

Revision History
================

+---------------------------------------+
| Revision |                  | Initial |
| 1.0      | 2008-February-25 | public  |
|          |                  | release |
+---------------------------------------+

Cisco Security Procedures
=========================

Complete information on reporting security vulnerabilities in Cisco
products, obtaining assistance with security incidents, and
registering to receive security information from Cisco, is available
on Cisco's worldwide website at:

http://www.cisco.com/en/US/products/products_security_vulnerability_policy.html

This includes instructions for press inquiries regarding Cisco security notices.
All Cisco security advisories are available at:

http://www.cisco.com/go/psirt
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