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Vulnerability Alert

Cisco Unified Computing System Information Disclosure Vulnerability

 
Threat Type:CWE-200: Information Leak / Disclosure
IntelliShield ID:29031
Version:1
First Published:2013 April 24 16:32 GMT
Last Published:2013 April 24 16:32 GMT
Port: Not available
CVE:CVE-2013-1185
Urgency:Unlikely Use
Credibility:Confirmed
Severity:Harassment
CVSS Base:9.3 CVSS Calculator
CVSS Version 2.0
CVSS Temporal:7.7
 
Version Summary:Cisco Unified Computing System Software contains a vulnerability that could allow an unauthenticated, remote attacker to access sensitive information. Updates are available.
 
 
Description
Cisco UCS Manager contains an information disclosure vulnerability. An unauthenticated, remote attacker could access technical support or local backup files that were created by a device administrator. The attacker would need to access the web interface of the Cisco UCS Manager to exploit this vulnerability.

The files that the attacker could access contain sensitive information that could lead to the complete compromise of an affected Cisco UCS platform. The attacker must know the naming convention used by the administrator as well as the date that the files were created. These files are not automatically created on a device, but occur when an administrator creates a tech support bundle file or performs an on-device configuration backup.

Cisco has confirmed the vulnerability in a security advisory and has released software updates.
 
Warning Indicators
The following versions of Cisco UCS are vulnerable:
  • Versions 2.0(1x) and prior
  • All 1.0(x) versions
  • All 1.1(x) versions
  • All 1.2(x) versions
  • All 1.3(x) versions
  • All 1.4(x) versions
 
IntelliShield Analysis
To exploit this vulnerability, an attacker must know the naming convention used by the administrator as well as the date that the sensitive files were created on a targeted device.

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 ID CSCtq86543 at the following link: cisco-sa-20130424-ucsmulti
 
Impact
An unauthenticated, remote attacker could exploit this vulnerability to access technical support or local backup files that were created by an administrator on an affected device. Successful exploitation could result in a complete system compromise.
 
Technical Information
The vulnerability is due to insufficient security restrictions imposed by the web interface of the affected software.

An unauthenticated, remote attacker that can access the web interface on a targeted system could exploit this vulnerability to gain unauthorized access to sensitive information. If successful, the attacker could use this information to completely compromise the targeted system.
 
Safeguards
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.

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 Multiple Vulnerabilities in Cisco Unified Computing System

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 Unified Computing System (Managed) 1.0 Base, (2k) | 1.1 Base, (1m) | 1.2 Base, (1d) | 1.3 Base, (1c), (1m), (1n), (1o), (1p), (1q), (1t), (1w), (1y) | 1.4 Base, (1i), (1j), (1m), (3i), (3l), (3m), (3q), (3s), (3u), (3y), (4f), (4g), (4i), (4j), (4k) | 2.0 Base, (1m), (1q), (1s), (1t), (1w), (1x)

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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