Vulnerability Alert

Cisco Webex Training Center Session Password and Access Code Disclosure Vulnerability

 
Threat Type:CWE-200: Information Leak / Disclosure
IntelliShield ID:32153
Version:1
First Published:2013 December 13 19:01 GMT
Last Published:2013 December 13 19:01 GMT
Port: Not available
CVE:CVE-2013-6709
BugTraq ID:64276
Urgency:Unlikely Use
Credibility:Confirmed
Severity:Harassment
CVSS Base:5.0 CVSS Calculator
CVSS Version 2.0
CVSS Temporal:4.8
 
Version Summary:Cisco WebEx Training Center contains a vulnerability that could allow an unauthenticated, remote attacker to gain access to sensitive information. Updates are not available.
 
 
Description
A vulnerability in the registration pages of Cisco WebEx Training Center could allow an unauthenticated, remote attacker to obtain the password and access code for a paid training without paying or registering for the training.

The vulnerability is due to disclosure of the training session information URL before the registration and payment are complete. An attacker could exploit this vulnerability by gathering the training session access code and password from the disclosed URL and use the information to join the audio conference. This vulnerability will not allow an attacker to join the web conference, only the audio conference.

Cisco has confirmed the vulnerability in a security notice; however, software updates are not available.
 
Warning Indicators
Cisco WebEx Training Center is vulnerable.
 
IntelliShield Analysis
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-2013-6709
 
Customers are advised to consult Cisco bug ID CSCul57111 for the most complete list of affected product versions.
 
Impact
An unauthenticated, remote attacker could exploit this vulnerability to gain access to sensitive information, such as the password and access code for a paid training session. A successful exploit could allow an attacker to join an audio conference of a training session which may aid an attacker in conducting further attacks.
 
Technical Information
The vulnerability is due to insufficient security restrictions imposed by the registration pages of Cisco WebEx Training Center.

An unauthenticated, remote attacker could exploit this vulnerability by gathering the training session access code and password from the disclosed URL and use the information to join the audio conference. A successful exploit could be used 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 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 WebEx Training Center Original Release Base

Associated Products:
N/A




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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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