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Vulnerability Alert

Cisco Unified MeetingPlace Web Conferencing Authorization Bypass Vulnerability

 
Threat Type:CWE-264: Permissions, Privileges, and Access Control
IntelliShield ID:30186
Version:1
First Published:2013 July 23 21:02 GMT
Last Published:2013 July 23 21:02 GMT
Port: Not available
CVE:CVE-2013-3438
Urgency:Unlikely Use
Credibility:Confirmed
Severity:Mild Damage
CVSS Base:5.0 CVSS Calculator
CVSS Version 2.0
CVSS Temporal:4.8
Related Resources:
View related Security Notice
 
 
Version Summary:Cisco Unified MeetingPlace Web Conferencing Server contains a vulnerability that could allow an unauthenticated, remote attacker to bypass security restrictions. Updates are not available.
 
 
Description
A vulnerability in the web framework of Cisco Unified MeetingPlace Web Conferencing Server could allow an unauthenticated, remote attacker to bypass certain access-control settings which may lead to the disclosure of information due to the attacker accessing restricted pages.

The vulnerability is due to insufficient validation of parameters passed by the endpoint client to the server. An attacker could exploit this vulnerability by modifying requests from the client or crafting malicious HTTP requests and submitting them to the affected system. Successful exploitation could allow the attacker to access certain areas of the web interface that require authorization.

Cisco has confirmed this vulnerability in a security notice; however, software updates are not available.

 
Warning Indicators
At the time this alert was first published, Cisco Unified MeetingPlace Web Conferencing versions 8.5 SR2(4) and prior were vulnerable. Subsequent versions of Cisco Unified MeetingPlace Web Conferencing may also be affected.
 
IntelliShield Analysis
To exploit this vulnerability, an attacker would need access to trusted, internal networks where the targeted device may reside in order to submit malicious HTTP request to an affected device. This access requirement decreases the likelihood of a successful exploit.

Cisco indicates through the CVSS score that functional exploit code exists; however, the code is not known to be publicly available.
 
Vendor Announcements
Cisco has released a security notice at the following link: CVE-2013-3438

Customers should refer to Cisco bug ID CSCuh86385 for the most complete list of affected product versions.
 
Impact
An unauthenticated, remote attacker could exploit this vulnerability to bypass security restrictions and gain unauthorized access to sensitive information on a targeted device.
 
Technical Information
The vulnerability is due to insufficient validation of parameters passed by the endpoint client to an affected server.

An unauthenticated, remote attacker could exploit this vulnerability by modifying requests from the client or crafting malicious HTTP requests and submitting them to the affected system. Successful exploitation could allow the attacker to access certain areas of the web interface that require proper authorization, resulting in unauthorized access to sensitive information that could be leveraged to conduct further attacks.
 
Safeguards
Administrators are advised to contact the vendor regarding future updates and releases.

Administrators are advised to allow only trusted users to have network access.

Administrators are advised to allow only privileged users to access administration or management systems.

Administrators are advised to monitor affected systems.
 
Patches/Software
Software updates are not available.
 
Alert History
 
Initial Release


Product Sets
 
The security vulnerability applies to the following combinations of products.

Primary Products:
CiscoCisco Unified MeetingPlace Web Conferencing 6.0 Base, .417.0 | 7.0 (1), (2), (2)_SR1, (3) | 7.1 (1), (2) | 8.0 (1), (1)_SR1, (2) | 8.5 (1), (2), (2)_SR1, (2)_SR2, (3), (4)

Associated Products:
N/A




Alerts and bulletins on the Cisco Security Intelligence Operations Portal are highlighted by analysts in the Cisco Threat Operations Center and represent a subset of the comprehensive content that is available through Cisco Security IntelliShield Alert Manager Service. This customizable threat and vulnerability alert service provides security staff with access to timely, accurate, and credible information about threats and vulnerabilities that may affect their environment.


LEGAL DISCLAIMER
The urgency and severity ratings of this alert are not tailored to individual users; users may value alerts differently based upon their network configurations and circumstances. THE ALERT, AND INFORMATION CONTAINED THEREIN, ARE PROVIDED ON AN "AS IS" BASIS AND DO NOT IMPLY ANY KIND OF GUARANTEE OR WARRANTY, INCLUDING THE WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR USE. YOUR USE OF THE ALERT, AND INFORMATION CONTAINED THEREIN, OR MATERIALS LINKED FROM THE ALERT, IS AT YOUR OWN RISK. INFORMATION IN THIS ALERT AND ANY RELATED COMMUNICATIONS IS BASED ON OUR KNOWLEDGE AT THE TIME OF PUBLICATION AND IS SUBJECT TO CHANGE WITHOUT NOTICE. CISCO RESERVES THE RIGHT TO CHANGE OR UPDATE ALERTS AT ANY TIME.
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