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Vulnerability Alert

Cisco Unified Communications Manager Enterprise License Manager CSRF Vulnerability

 
Threat Type:CWE-352: Cross-Site Request Forgery (CSRF)
IntelliShield ID:30529
Version:1
First Published:2013 August 28 19:37 GMT
Last Published:2013 August 28 19:37 GMT
Port: Not available
CVE:CVE-2013-3472
Urgency:Unlikely Use
Credibility:Confirmed
Severity:Mild Damage
CVSS Base:4.3 CVSS Calculator
CVSS Version 2.0
CVSS Temporal:4.3
Related Resources:
View related Security Notice
 
 
Version Summary:Cisco Unified Communications Manager contains a vulnerability that could allow an unauthenticated, remote attacker to conduct cross-site request forgery attacks. Updates are not available.
 
 
Description
A vulnerability in the Enterprise License Manager (ELM) of Cisco Unified Communications Manager (CM) could allow an unauthenticated, remote attacker to perform a cross-site request forgery (CSRF) attack against the ELM web interface.

The vulnerability is due to insufficient CSRF protections on the ELM web interface. An attacker could exploit this vulnerability by convincing an authenticated user of the affected system to follow a malicious link or visit an attacker-controlled website. A successful exploit could allow the attacker to cause changes to ELM on behalf of the user.

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 Communications Manager version 9.1(1) was vulnerable.  Later releases of Cisco Unified Communications Manager 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.
 
Vendor Announcements
Cisco has released a security notice at the following link: CVE-2013-3472

Customers are advised to consult Cisco bug ID CSCui58210 for the most complete list of affected product versions.
 
Impact
An unauthenticated, remote attacker could exploit this vulnerability to conduct CSRF attacks and perform certain unauthorized actions on an affected system on behalf of the targeted user. Successful exploitation could be used to conduct further attacks.
 
Technical Information
The vulnerability is due to insufficient CSRF protections imposed by the affected software on the ELM web interface.

An unauthenticated, remote attacker could exploit this vulnerability by convincing an authenticated user to visit a malicious website. If successful, the attacker could submit arbitrary requests to the affected device with the privileges of the user. Successful exploitation could be used to conduct further attacks.
 
Safeguards
Administrators are advised to contact the vendor regarding future updates and releases.

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
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 Communications Manager 9.1 Base | 9.1(1) 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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