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Vulnerability Alert

Cisco WebEx Multiple Cross-Site Scripting Vulnerabilities

 
Threat Type:CWE-79: Cross-Site Scripting (XSS)
IntelliShield ID:32152
Version:1
First Published:2013 December 13 18:58 GMT
Last Published:2013 December 13 18:58 GMT
Port: Not available
CVE:CVE-2013-6960
BugTraq ID:64273
Urgency:Unlikely Use
Credibility:Confirmed
Severity:Mild Damage
CVSS Base:4.3 CVSS Calculator
CVSS Version 2.0
CVSS Temporal:4.1
 
Version Summary:Cisco WebEx Meeting Center contains multiple vulnerabilities that could allow an unauthenticated, remote attacker to conduct cross-site scripting attacks. Updates are not available.
 
 
Description
Multiple vulnerabilities in Cisco WebEx Business Suite could allow an unauthenticated, remote attacker to conduct a cross-site scripting (XSS) attack.

The vulnerabilities are due to insufficient validation of user-supplied input. An attacker could exploit these vulnerabilities by convincing a user to click a crafted URL.

Cisco has confirmed the vulnerability in a security notice; however, software updates are not available.
 
Warning Indicators
Cisco WebEx Meeting Center is vulnerable.
 
IntelliShield Analysis
To exploit the vulnerability, the attacker may provide a link that directs a user to a malicious site and use misleading language or instructions to persuade the user to follow the provided link.

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-2013-6960

Customers are advised to consult Cisco bug ID CSCul36248 for the most complete list of affected product versions.
 
Impact
An unauthenticated, remote attacker could exploit this vulnerability to execute arbitrary script code in the user's browser session and steal sensitive information, such as authentication cookies or recently submitted data.
 
Technical Information
The vulnerabilities are due to insufficient validation of user-supplied input.

An unauthenticated, remote attacker could exploit these vulnerabilities by convincing a user to click a crafted URL that submits crafted input to the affected software. Processing the crafted input could allow the attacker to execute arbitrary code in the user's browser session and steal sensitive information, such as authentication cookies.
 
Safeguards
Administrators are advised to contact the vendor regarding future updates and releases.

Users are advised not to visit websites or follow links that have suspicious characteristics or cannot be verified as safe.

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 Meeting Center Original Release Base

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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