Cisco Unified Communications Manager contains a vulnerability that could allow an authenticated, remote attacker to gain access to sensitive information. Updates are available.
An issue in the web portal of Cisco Unified Communications Manager (Unified CM) could allow an authenticated, remote attacker to view exception stack trace details.
The issue is due to disclosure of exception stack trace details. An attacker could exploit this issue by generating a stack exception in the Cisco Unified CM web portal. An exploit could allow the attacker to gain additional insight into the functioning of the underlying Cisco Unified CM components.
Cisco has confirmed this vulnerability in a security notice and software updates are available.
At the time this alert was first published, Cisco Unified CM versions 9.1(1) and prior were vulnerable. Later versions of Cisco Unified CM may also be affected.
To exploit the vulnerability, the attacker must authenticate to the targeted system. This access requirement may limit the likelihood of a successful exploit.
Cisco has released a security notice at the following link: CVE-2013-3442
Customers should refer to Cisco bug ID CSCug34854 for the most complete list of affected product versions.
An authenticated, remote attacker could exploit this vulnerability to gain access to sensitive information such as the functioning of the underlying Cisco Unified CM components. Successful exploitation could be leveraged to conduct further attacks.
Technical details are not available.
Administrators are advised to apply the appropriate updates.
Administrators are advised to allow only trusted users to have network access.
Administrators may consider using IP-based access control lists (ACLs) to allow only trusted systems to access the affected systems.
Administrators are advised to allow only privileged users to access administration or management systems.
Administrators are advised to monitor affected system
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 email at firstname.lastname@example.org for assistance.
The security vulnerability applies to the following combinations of products.
Cisco Unified Communications Manager
8.5 Base | 8.6 Base | 9.1 Base | 9.1(1) Base
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.