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Vulnerability Alert

Cisco Unified Communications Manager CAPF Unauthenticated Device Information Update Vulnerability

 
Threat Type:CWE-287: Authentication Issues
IntelliShield ID:33044
Version:1
First Published:2014 February 25 23:04 GMT
Last Published:2014 February 25 23:04 GMT
Port: Not available
CVE:CVE-2014-0743
Urgency:Unlikely Use
Credibility:Confirmed
Severity:Harassment
CVSS Base:5.0 CVSS Calculator
CVSS Version 2.0
CVSS Temporal:4.8
 
Version Summary:Cisco Unified Communications Manager contains a vulnerability that could allow an unauthenticated, remote attacker to change information related to registered devices. Updates are not available.
 
 
Description
A vulnerability in the Certificate Authority Proxy Function (CAPF) of Cisco Unified Communications Manager (Cisco Unified CM) could allow an unauthenticated, remote attacker to change information related to registered devices.

The vulnerability is due to insufficient authentication enforcement. An attacker could exploit this vulnerability by submitting crafted information regarding the device to CAPF. An exploit could allow the attacker to change certain information regarding a registered device.

Cisco has confirmed the vulnerability in a security notice; however, software updates are not available.
 
Warning Indicators
At the time this alert was first published, Cisco Unified CM versions 10.0(1) and prior were vulnerable. Later releases of Cisco Unified CM may also be 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-2014-0743

Customers are advised to consult Cisco bug ID CSCum95468 for a complete list of affected product versions.
 
Impact
An unauthenticated, remote attacker could exploit this vulnerability to change certain information regarding a registered device. A successful exploit could be used to conduct further attacks.
 
Technical Information
The vulnerability is due to insufficient authentication enforcement by the CAPF of an affected device.

An unauthenticated, remote attacker could exploit this vulnerability by submitting crafted information regarding the device to CAPF. An exploit could allow the attacker to change certain information regarding a registered device.
 
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 can help protect affected systems from external attacks by using a solid firewall strategy.

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 10.0 Base | 10.0(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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