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Vulnerability Alert

Cisco Unified Communications Manager Remote Blind SQL Injection Vulnerability

 
Threat Type:CWE-89: SQL Injection
IntelliShield ID:30039
Version:1
First Published:2013 July 17 16:07 GMT
Last Published:2013 July 17 16:07 GMT
Port: 8080, 8443
CVE:CVE-2013-3404
Urgency:Unlikely Use
Credibility:Confirmed
Severity:Mild Damage
CVSS Base:6.4 CVSS Calculator
CVSS Version 2.0
CVSS Temporal:5.5
 
Version Summary:Cisco Unified Communications Manager contains a vulnerability that could allow an unauthenticated remote attacker to conduct Structured Query Language injection attacks on a targeted device. Updates are available.
 
 
Description
Cisco Unified Communication Manager (Unified CM) contains a vulnerability that could allow an unauthenticated, remote attacker to execute a blind Structured Query Language (SQL) injection.

The vulnerability is due to improper validation of user-supplied requests by the Cisco Unified CM. An attacker could exploit this vulnerability by injecting SQL commands. An exploit could allow the attacker to leverage metadata to recreate encrypted information within the database. This metadata could be used to reconstruct encrypted credentials.

Proof-of-concept code that demonstrates an exploit of this vulnerability is publicly available.

Cisco has confirmed the vulnerability in a security advisory and has released a temporary fix.
 
Warning Indicators
Cisco Unified CM versions 9.1(1a) and prior are affected.
 
IntelliShield Analysis
To exploit this vulnerability, an attacker may require access to trusted, internal networks to send crafted requests to the affected software. This access requirement could limit the likelihood of a successful exploit.

Cisco Unified CM version 8.0 reached the End of Software Maintenance on October 23, 2012. Customers using Cisco Unified CM 8.0(x) versions should contact their Cisco support team for assistance in upgrading to a supported version of Cisco Unified CM.

Cisco Unified CM is the only product confirmed to be vulnerable. Additional voice products may be affected by one or more of the individual vulnerabilities that are described in the advisory. The following products are being investigated but have not yet been confirmed as vulnerable:
  • Cisco Emergency Responder
  • Cisco Unified Contact Center Express
  • Cisco Unified Customer Voice Portal
  • Cisco Unified Presence Server/Cisco IM and Presence Service
  • Cisco Unity Connection
This vulnerability can be exploited over the default management ports, TCP port 8080 or 8443.
 
Vendor Announcements
Cisco has released a security advisory for bug ID CSCuh01051 at the following link: cisco-sa-20130717-cucm
 
Impact
An unauthenticated, remote attacker with access to the Cisco Unified CM static symmetric encryption key could exploit the vulnerability to obtain and decrypt a local user account. This could allow the attacker to launch a subsequent, authenticated blind SQL injection attack on the database.
 
Technical Information
The vulnerability is due to improper validation of user-supplied input by the affected software when handling SQL queries.

An unauthenticated, remote attacker could exploit the vulnerability by submitting crafted SQL queries to a targeted device. When the affected software processes the malicious SQL queries, the attacker could access metadata that could be used to reconstruct encrypted credentials within the Cisco Unified CM database. This could allow an attacker with access to the Cisco Unified CM static symmetric encryption key to obtain and decrypt a local user account.
 
Safeguards
Administrators are advised to apply the appropriate updates.

Administrators are advised to contact the vendor regarding future updates and releases.

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: Identifying and Mitigating Exploitation of the Multiple Vulnerabilities in Cisco Unified Communications Manager

For additional information about SQL injection attacks and defenses, see Understanding SQL Injection.

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 monitor affected systems.
 
Patches/Software
Cisco customers with active contracts can obtain updates through the Software Center. 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 email at tac@cisco.com.

A Cisco Options Package (COP) file, cmterm-CSCuh01051-2.cop.sgn, has been released to the software downloads page in the Utilities section for the affected software. The COP file for 9.1(x) versions would be located by navigating the following path on the software downloads page:

Products > Voice and Unified Communications > IP Telephony > Unified Communications Platform > Cisco Unified Communications manager > Cisco Unified Communications Manager Version 9.1 > Unified Communications Manager/CallManager/Cisco Unity Connection Utilities-COP-Files
 
Alert History
 
Initial Release


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

Primary Products:
CiscoCisco Unified Communications Manager 7.1 Base, (3), (5), (5b) | 8.0 Base, (2c), (3) | 8.5 Base | 8.6 Base | 9.0 Base | 9.0(1) Base | 9.1 Base | 9.1(1) 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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