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Vulnerability Alert

Cisco WebEx Social Cross-Site Request Forgery Vulnerability

 
Threat Type:CWE-352: Cross-Site Request Forgery (CSRF)
IntelliShield ID:29747
Version:1
First Published:2013 June 21 19:48 GMT
Last Published:2013 June 21 19:48 GMT
Port: Not available
CVE:CVE-2013-3392
Urgency:Unlikely Use
Credibility:Confirmed
Severity:Mild Damage
CVSS Base:4.3 CVSS Calculator
CVSS Version 2.0
CVSS Temporal:3.6
 
Version Summary:Cisco WebEx Social contains a vulnerability that could allow an unauthenticated, remote attacker to conduct cross-site request forgery attacks. Updates are available.
 
 
Description
A vulnerability in multiple web pages of Cisco WebEx Social could allow an unauthenticated, remote attacker to conduct a cross-site request forgery (CSRF) attack against the user of the web interface.

The vulnerability is due to insufficient CSRF protections. An attacker could exploit this vulnerability by convincing the user of the affected system to follow a malicious link or visit an attacker-controlled website. A successful exploit could allow the attacker to submit arbitrary requests to the affected device via the affected web browser with the privileges of the user.

Cisco has confirmed this vulnerability in a security notice and released software updates.
 
Warning Indicators
At the time this alert was first published, Cisco WebEx Social versions 3.3(1)SR1 and prior were vulnerable. Later versions of Cisco WebEx Social may also be affected.
 
IntelliShield Analysis
To exploit the vulnerability, the attacker may provide a link to a malicious site and may persuade the user to follow the link by using misleading language and instructions.

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-2013-3392

Customers should refer to Cisco bug IDs CSCuh10405 and CSCuh10355 for the most complete list of affected product versions.
 
Impact
An unauthenticated, remote attacker could exploit this vulnerability to submit arbitrary requests to the affected device via the affected web browser with the privileges of the user. Successful exploitation could be leveraged to conduct further attacks.
 
Technical Information
The vulnerability is due to insufficient CSRF protections imposed by a device running an affected version of Cisco WebEx Social software.

An unauthenticated, remote attacker could exploit this vulnerability by convincing a user to visit a malicious website. If successful, the attacker could have the ability to submit arbitrary requests to the affected device via the affected web browser with the privileges of the user. Successful exploitation could be used to conduct further attacks.
 
Safeguards
Administrators are advised to apply the appropriate updates.

Users are advised not to open email messages from suspicious or unrecognized sources. If users cannot verify that links or attachments included in email messages are safe, they are advised not to open them.

For additional information about cross-site request forgery attacks and potential mitigation methods, see the Cisco Applied Mitigation Bulletin Understanding Cross-Site Request Forgery Threat Vectors.

Administrators are advised to monitor affected systems.
 
Patches/Software
Cisco customers with active contracts should contact their Cisco support team for assistance in upgrading to a software version that includes fixes for this vulnerability. Cisco customers without contracts may contact the Cisco Technical Assistance Center at 1-800-553-2447 or 1-408-526-7209 or via e-mail at tac@cisco.com for assistance.
 
Alert History
 
Initial Release


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

Primary Products:
CiscoCisco WebEx Social 1.1 .0 | 3.0 (1), (1)SR1, (1)SR2, (1)SR3 | 3.1 (0), (1)SR1, (1)SR2, (1)SR3 | 3.3 (1), (1)SR1

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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