Vulnerability Alert

Cisco Identity Services Engine Cross-Site Request Forgery Vulnerability

 
Threat Type:CWE-352: Cross-Site Request Forgery (CSRF)
IntelliShield ID:30111
Version:1
First Published:2013 July 17 13:46 GMT
Last Published:2013 July 17 13:46 GMT
Port: Not available
CVE:CVE-2013-3420
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 Identity Services Engine Software 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 web framework 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 a user of an 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; however, software updates are not available.
 
Warning Indicators
At the time this alert was first published, Cisco Identity Services Engine Software versions 1.0 MR and prior were vulnerable. Later versions of Cisco Identity Services Engine Software may also be affected.
 
IntelliShield Analysis
To exploit the vulnerability, the attacker may provide a link to a malicious site and 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-2013-3420

Customers should refer to Cisco bug ID CSCuh25506 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 with the privileges of the user. Successful exploitation could allow an attacker to conduct further attacks.
 
Technical Information
The vulnerability is due to insufficient CSRF protections imposed by an affected device.

An unauthenticated, remote attacker could exploit this vulnerability by convincing a 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 Identity Services Engine Software 1.0 Base, .4.573 | 1.0 MR 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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