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Vulnerability Alert

Cisco Prime Data Center Network Manager Remote Command Execution Vulnerability

 
Threat Type:CWE-200: Information Leak / Disclosure
IntelliShield ID:27273
Version:2
First Published:2012 October 31 16:24 GMT
Last Published:2013 May 08 18:50 GMT
Port: 1099, 9099
CVE:CVE-2012-5417
Urgency:Unlikely Use
Credibility:Confirmed
Severity:Moderate Damage
CVSS Base:10.0 CVSS Calculator
CVSS Version 2.0
CVSS Temporal:8.3
Related Resources:
View related Security AdvisoryView related Applied Mitigation Bulletin
 
 
Version Summary:Cisco has updated this alert to add additional affected software and republished a security advisory to address the Cisco Prime Data Center Network Manager remote command execution vulnerability.
 
 
Description
Cisco Prime DCNM, both the Cisco DCNM-LAN Server and the Cisco DCNM-SAN Server components, running versions prior to 6.1(2) contain a vulnerability that could allow an unauthenticated, remote attacker to execute arbitrary commands on the underlying operating system that hosts the Cisco Prime DCNM application.

The vulnerability exists because JBoss Application Server Remote Method Invocation (RMI) services, specifically the jboss.system:service=MainDeployer functionality, are exposed to unauthorized users. An unauthenticated, remote attacker could exploit this vulnerability by sending arbitrary commands via RMI services. An exploit could allow the attacker to execute arbitrary commands on the device.

Cisco has confirmed this vulnerability, and software updates are available.
 
Warning Indicators
Cisco Prime Data Center Network Manager versions prior to 6.1(2) on Microsoft Windows and Linux platforms are vulnerable.
 
IntelliShield Analysis
For an attacker to be successful, the RMI services need to be running on a targeted device with the vulnerable software. In addition, an attacker would need access to an internal, trusted network in which a targeted device may reside, decreasing the likelihood of a successful exploit.

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 advisory for Cisco bug IDs CSCtz44924 and CSCua31204 at the following link: cisco-sa-20121031-dcnm
 
Impact
An unauthenticated, remote attacker could exploit this vulnerability to execute arbitrary commands on the underlying operating system that hosts the Cisco Prime DCNM application in the context of a privileged user. Successful exploitation could result in a complete system comprise of a targeted device.
 
Technical Information
The vulnerability is due to the exposure of JBoss Application Server RMI services to unauthorized users. The unauthorized access to the jboss.system:service=MainDeployer functionality service could be used to execute commands in the context of the system user if the affected application is running on Microsoft Windows, or the root user if the affected application is running on Linux platforms.

An RMI transaction always starts with a TCP connection to the RMI registry port. Depending on the Cisco Prime DCNM version, TCP port 1099 or 9099 could be used as attack vectors that could aid an attacker in exploiting this vulnerability.

An unauthenticated, remote attacker could exploit this vulnerability by sending arbitrary commands via RMI services. If successful, the attacker could execute arbitrary commands on the underlying operating system that hosts the affected application.
 
Safeguards
Administrators are advised to apply the appropriate updates.

Administrators are advised to allow only privileged users to access administration or management systems.

Administrators are advised to implement an intrusion prevention system (IPS) or intrusion detection system (IDS) to help detect and prevent attacks that attempt to exploit this vulnerability.

Administrators are advised to only allow legitimate devices to connect to the RMI registry ports on vulnerable systems.

The Cisco Applied Intelligence team has created the following companion document to guide administrators in identifying and mitigating attempts to exploit this vulnerability prior to applying updated software: cisco-amb-20121031-dcnm

Administrators are advised to monitor affected systems.
 
Patches/Software
Cisco customers with active contracts can obtain updates through the Software Center at the following link: Cisco.

Cisco customers without contracts can obtain upgrades by contacting the Cisco Technical Assistance Center at 1-800-553-2447 or 1-408-526-7209 or via e-mail at tac@cisco.com.
 
Alert History
 
Version 1, October 31, 2012, 4:24 PM: Cisco Prime Data Center Network Manager contains a vulnerability that could allow an unauthenticated, remote attacker to execute arbitrary commands on a targeted device. Updates are available.


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

Primary Products:
CiscoCisco Prime Data Center Network Manager (DCNM) 4.1 .(2), .(3), .(4), .(5) | 4.2 .(1), .(3) | 5.0 (2), (3) | 5.1 (1), (2), (3u) | 5.2 (1), (2), (2a), (2b), (2c), (2e) | 6.1 Base, (1)

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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