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Vulnerability Alert

Cisco Device Manager Command Execution Vulnerability

 
Threat Type:CWE-20: Input Validation
IntelliShield ID:29019
Version:1
First Published:2013 April 24 16:10 GMT
Last Published:2013 April 24 16:10 GMT
Port: Not available
CVE:CVE-2013-1192
Urgency:Unlikely Use
Credibility:Confirmed
Severity:Moderate Damage
CVSS Base:9.3 CVSS Calculator
CVSS Version 2.0
CVSS Temporal:8.4
Related Resources:
View related Security AdvisoryView related IPS Signature
 
 
Version Summary:Cisco Device Manager contains a vulnerability that could allow an unauthenticated, remote attacker to execute arbitrary code on a targeted system. Updates are available.
 
 
Description
A vulnerability in the Java Archive (JAR) executable files that are downloaded using the Java Network Launching Protocol (JNLP) from the Cisco MDS 9000 Series or Cisco Nexus 5000 Series Switches could allow an unauthenticated, remote attacker to execute arbitrary commands on the client host that is executing the JNLP file. Command execution would occur with the privileges of the user.

The vulnerability is due to insufficient validation of certain parameters passed by the element-manager.jnlp file and executed by the affected JAR files. An attacker may exploit this vulnerability by redirecting the user to download a crafted version of the element-manager.jnlp file and execute the file.

Cisco has confirmed the vulnerability in a security advisory and has released software updates.
 
Warning Indicators
Systems that have downloaded Cisco Device Manager versions prior to 5.2.8 from devices running Cisco NX-OS Software or Cisco MDS 9000 NX-OS Software are vulnerable.
 
IntelliShield Analysis
To exploit the vulnerability, the attacker may provide a file to the user and persuade the user to open or execute the file by using misleading language or instructions.

Cisco Device Manager runs on end-user systems and is downloaded from devices running Cisco NX-OS Software or Cisco MDS 9000 NX-OS Software. Only end-user systems running Cisco Device Manager are vulnerable; devices running Cisco NX-OS Software or Cisco MDS 9000 NX-OS Software are not affected by this vulnerability.

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 CSCty17417 and CSCty10802 at the following link: cisco-sa-20130424-fmdm
 
Impact
An unauthenticated, remote attacker could exploit this vulnerability to execute arbitrary commands on a targeted system with the privileges of the user. If the user holds elevated privileges, the attacker could completely compromise the system.
 
Technical Information
The vulnerability is due to improper input sanitization of user-supplied values by the affected software when handling the element-manager.jnlp file.

An unauthenticated, remote attacker could exploit this vulnerability by convincing a user to download and run a malicious JNLP file on an affected system. When run, the file could supply malicious commands to the targeted system, where the commands could be executed in the security context of the user. If the user holds elevated privileges, the attacker could completely compromise the system.
 
Safeguards
Administrators are advised to apply the appropriate updates.

Users are advised not to open e-mail messages from suspicious or unrecognized sources. If users cannot verify that links or attachments included in e-mail messages are safe, they are advised not to open them.

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
 
Initial Release


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

Primary Products:
CiscoCisco NX-OS Software for Nexus 5000 Series Base, 4.0(0)N1(1a), 4.0(0)N1(2), 4.0(0)N1(2a), 4.0(1a)N1(1), 4.0(1a)N1(1a), 4.0(1a)N2(1), 4.0(1a)N2(1a), 4.1(3)N1(1), 4.1(3)N1(1a), 4.1(3)N2(1), 4.1(3)N2(1a), 4.2(1)N1(1), 4.2(1)N2(1), 4.2(1)N2(1a), 5.0(2)N1(1), 5.0(3)N1(1c), 5.0(2)N2(1), 5.0(2)N2(1a), 5.0(3)N2(1), 5.0(3)N2(2), 5.0(3)N2(2a), 5.0(3)N2(2b), 5.1(3)N1(1), 5.1(3)N1(1a), 5.1(3)N2(1), 5.1(3)N2(1a), 5.1(3)N2(1b), 5.1(3)N2(1c), 5.2(1)N1(1), 5.2(1)N1(1a), 5.2(1)N1(1b), 5.2(1)N1(2), 5.2(1)N1(2a), 5.2(1)N1(3), 5.2(1)N1(4)
CiscoCisco MDS 9000 NX-OS Software 2.1 Base | 3.0 Base | 3.2 Base | 4.1 Base, (1b), (1c), (3a) | 4.2 Base, (1a), (1b), (3), (3a), (5), (7a), (7b), (7d), (7e) | 5.0 Base, (1a), (4), (4b), (4c), (4d), (7) | 5.2 Base, (1), (2), (2a), (2d), (6), (6a), (6b)

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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