Cisco Unified Computing System Manager and Cisco Firepower 9000 Remote Command Execution Vulnerability

Summary

• A vulnerability in a CGI script in the Cisco Unified Computing System (UCS) Manager and the Cisco Firepower 9000 Series appliance could allow an unauthenticated, remote attacker to execute arbitrary commands on the Cisco UCS Manager or the Cisco Firepower 9000 Series appliance.
  
  The vulnerability is due to unprotected calling of shell commands in the CGI script. An attacker could exploit this vulnerability by sending a crafted HTTP request to the Cisco UCS Manager or the Cisco Firepower 9000 Series appliance. An exploit could allow the attacker to execute arbitrary commands on the Cisco UCS Manager or the Cisco Firepower 9000 Series appliance.
  
  Cisco has released software updates that address this vulnerability.
  
  This advisory is available at the following link:
  http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160120-ucsm

Affected Products

• Vulnerable Products

  This vulnerability was introduced in version 2.2.0 of Cisco UCS Manager. Versions 2.2.x are affected if they are earlier than the first fixed release indicated in the "Fixed Software" section of this advisory. This vulnerability does not affect versions 2.1.x and earlier.
  
  FX-OS for Firepower 9000 Series earlier than version 1.1.2 is affected.
  
  Administrators can check the version of Cisco UCS Manager software by logging in to the management GUI. The UCS Manager version number is listed in the Version field in the pop-up after clicking the Information icon.
  
  Administrators can check the version of FX-OS software running on their Cisco Firepower 9000 Series chassis by logging in to the management GUI. The FX-OS version number is listed in the Version field at the top of the Overview page.
  

  Products Confirmed Not Vulnerable

  Cisco Integrated Management Controller has been confirmed as not affected by this vulnerability.
  
  No other Cisco products are currently known to be affected by this vulnerability.

Workarounds

• Workarounds are not available.

Fixed Software

• Cisco has released free software updates that address the vulnerability described in this advisory. Customers may only install and expect support for software versions and feature sets for which they have purchased a license. By installing, downloading, accessing, or otherwise using such software upgrades, customers agree to follow the terms of the Cisco software license:
  http://www.cisco.com/en/US/docs/general/warranty/English/EU1KEN_.html
  
  Additionally, customers may only download software for which they have a valid license, procured from Cisco directly, or through a Cisco authorized reseller or partner. In most cases this will be a maintenance upgrade to software that was previously purchased. Free security software updates do not entitle customers to a new software license, additional software feature sets, or major revision upgrades.
  
  When considering software upgrades, customers are advised to consult the Cisco Security Advisories and Responses archive at http://www.cisco.com/go/psirt and review subsequent advisories to determine exposure and a complete upgrade solution.
  
  In all cases, customers should ensure that the devices to be upgraded contain sufficient memory and confirm that current hardware and software configurations will continue to be supported properly by the new release. If the information is not clear, customers are advised to contact the Cisco Technical Assistance Center (TAC) or their contracted maintenance providers.
  
  Customers Without Service Contracts
  
  Customers who purchase directly from Cisco but do not hold a Cisco service contract and customers who make purchases through third-party vendors but are unsuccessful in obtaining fixed software through their point of sale should obtain upgrades by contacting the Cisco Technical Assistance Center (TAC):
  http://www.cisco.com/en/US/support/tsd_cisco_worldwide_contacts.html
  
  Customers should have the product serial number available and be prepared to provide the URL of this advisory as evidence of entitlement to a free upgrade.
  
  Fixed Versions
  
  Cisco UCS Manager
  The first fixed releases of Cisco UCS Manager are 2.2(4b), 2.2(5a), 2.2(6a), 3.0(2e), 3.1(e), and all later releases. Earlier versions of 2.2.x are affected by this vulnerability. Software is available for download from Cisco Software Central.
  
  Cisco Firepower 9000 Series Appliance
  The first fixed release of Cisco Firepower 9000 Series appliance is 1.1.2. Software is available for download from Cisco Software Central.

Exploitation and Public Announcements

• The Cisco Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory.

Source

• This vulnerability was reported to Cisco by Jens Krabbenhoeft.

URL

• http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160120-ucsm

Revision History

• Version	Description	Section	Status	Date
  1.5	Updated advisory metadata.	-	Final	2017-November-27
  1.4	Updated first fixed versions for Cisco UCSM.	Fixed Software	Final	2016-February-25
  1.3	Updated first fixed versions for Cisco UCSM.	Fixed Software	Final	2016-January-27
  1.2	Indicated that Cisco UCS Manager versions earlier than 2.2.x are not affected.	Vulnerable Products	Final	2016-January-22
  1.1	Corrected spelling mistake.	Source	Final	2016-January-21
  1.0	Initial public release.	-	Final	2016-January-20

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