Summary

• A vulnerability in the web interface for Cisco Prime Collaboration Provisioning could allow an unauthenticated, remote attacker to bypass authentication and perform command injection with root privileges.
  
  The vulnerability is due to missing security constraints in certain HTTP request methods, which could allow access to files via the web interface. An attacker could exploit this vulnerability by sending a crafted HTTP request to the targeted application. An exploit could allow the attacker to bypass authentication and perform command injection in Cisco Prime Collaboration Provisioning with root privileges.
  
  Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.
  
  This advisory is available at the following link:
  https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170517-pcp1

Affected Products

• Vulnerable Products

  This vulnerability affects Cisco Prime Collaboration Provisioning Software Releases prior to 12.1.
  
  

  Administrators can determine which release of Cisco Prime Collaboration Provisioning Software is running by logging in to the web user interface using the http(s)://system-ip access URL. In this example, Cisco Prime Collaboration Provisioning Software Release 11.5 of the application is installed.
  

  Prime Collaboration
  Provisioning
  Version 11.5

  An administrator can also use the show version command in the CLI. In this example, Cisco Prime Collaboration Provisioning Software Release 10.6.0.1015 is installed on the device:
  

  cpcpserver/admin# show version
  
  Cisco Application Deployment Engine OS Release:
  
  ADE-OS Build Version:
  ADE-OS System Architecture: x86_64
  Copyright (c) 2005-2017 by Cisco Systems, Inc.
  All rights reserved.
  Hostname: cpcpserver
  
  Version information of installed applications
  - - - - - - - - - - - - - - - - - - - - - - - - -
  
  Collaboration Manager
  - - - - - - - - - - - - - - - - - - - - - - - - -
  Version      : 10.6.0.1015
  .
  .
  .

  
  

  Products Confirmed Not Vulnerable

  No other Cisco products are currently known to be affected by this vulnerability.
  
  Cisco has confirmed that this vulnerability does not affect Cisco Prime Collaboration Assurance.

Workarounds

• There are no workarounds that address this vulnerability.

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 regularly consult the advisories for Cisco products, which are available from the Cisco Security Advisories and Alerts page, 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 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 Releases
  
  Customers should upgrade to an appropriate release as indicated in this section. To help ensure a complete upgrade solution, consider that this advisory is part of a collection that includes the following advisories:
  
  cisco-sa-20170517-pcp1: Cisco Prime Collaboration Provisioning Authentication Bypass Vulnerability
  cisco-sa-20170517-pcp2: Cisco Prime Collaboration Provisioning Information Disclosure Vulnerability
  
  This vulnerability is fixed in Cisco Prime Collaboration Provisioning Software Release 12.1.
  
  The software can be downloaded from the Software Center on Cisco.com by navigating to Products > Cloud and Systems Management > Collaboration and Unified Communications Management > Prime Collaboration.

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

• Cisco would like to thank rgod, working with Trend Micro Zero Day Initiative (ZDI), for finding and reporting this vulnerability.

URL

• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170517-pcp1

Revision History

• Version	Description	Section	Status	Date
  1.0	Initial public release.	—	Final	2017-May-17

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