Cisco Security Advisory: Cisco TelePresence Recording Server Default Credentials for Root Account Vulnerability

2011-08-03T00:00:00
ID SECURITYVULNS:DOC:26776
Type securityvulns
Reporter Securityvulns
Modified 2011-08-03T00:00:00

Description

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Cisco Security Advisory: Cisco TelePresence Recording Server Default Credentials for Root Account Vulnerability

Advisory ID: cisco-sa-20110729-tp

Revision 1.0

For Public Release 2011 July 29 1600 UTC (GMT)

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Summary

Cisco TelePresence Recording Server Software Release 1.7.2.0 includes a root administrator account that is enabled by default. Successful exploitation of the vulnerability could allow a remote attacker to use these default credentials to modify the system configuration and settings.

A workaround exists to mitigate this vulnerability.

Cisco has released free software updates that address this vulnerability.

This advisory is posted at: http://www.cisco.com/warp/public/707/cisco-sa-20110729-tp.shtml

Affected Products

Vulnerable Products +------------------

Cisco TelePresence Recording Server Software Release 1.7.2 is affected by this vulnerability.

Note: Cisco TelePresence Recording Server Software Releases 1.7.0 and 1.7.1 are not affected by this vulnerability.

Products Confirmed Not Vulnerable +--------------------------------

No other Cisco products are currently known to be affected by this vulnerability.

Details

The Cisco TelePresence solution allows an immersive, in-person communication and collaboration over the network with colleagues, prospects, and partners, even when they are located in opposite hemispheres.

Cisco TelePresence Recording Server Software Release 1.7.2.0 includes a root administrator account that is enabled by default. Successful exploitation of this vulnerability could allow a remote attacker to use these default credentials to modify the system configuration and settings. An attacker could use this account to modify the system configuration and settings by means of an SSH session.

This vulnerability is documented in Cisco Bug ID CSCtr76182, and has been assigned the CVE identifier CVE-2011-2555.

Vulnerability Scoring Details

Cisco has provided scores for the vulnerability in this advisory based on the Common Vulnerability Scoring System (CVSS). The CVSS scoring in this Security Advisory is done in accordance with CVSS version 2.0.

CVSS is a standards-based scoring method that conveys vulnerability severity and helps determine urgency and priority of response.

Cisco has provided a base and temporal score. Customers can then compute environmental scores to assist in determining the impact of the vulnerability in individual networks.

Cisco has provided an FAQ to answer additional questions regarding CVSS at:

http://www.cisco.com/web/about/security/intelligence/cvss-qandas.html

Cisco has also provided a CVSS calculator to help compute the environmental impact for individual networks at

http://intellishield.cisco.com/security/alertmanager/cvss

  • CSCtr76182 - Root account enabled with default password

CVSS Base Score - 10 Access Vector - Network Access Complexity - Low Authentication - None Confidentiality Impact - Complete Integrity Impact - Complete Availability Impact - Complete

CVSS Temporal Score - 8.7 Exploitability - High Remediation Level - Official-Fix Report Confidence - Confirmed

Impact

Successful exploitation of this vulnerability could allow a remote attacker to use these default credentials to modify the system configuration and settings.

Software Versions and Fixes

When considering software upgrades, also consult http://www.cisco.com/go/psirt and any subsequent advisories to determine exposure and a complete upgrade solution.

In all cases, customers should exercise caution to be certain the devices to be upgraded contain sufficient memory and that current hardware and software configurations will continue to be supported properly by the new release. If the information is not clear, contact the Cisco Technical Assistance Center (TAC) or your contracted maintenance provider for assistance.

This vulnerability has been corrected in Cisco TelePresence Recording Server Software Release 1.7.2.1.

Note: Cisco TelePresence Recording Server Software Release 1.7.2.1 is a re-build and no other changes were made on this release. Cisco TelePresence Recording Server Software Releases 1.7.0 and 1.7.1 are not affected by this vulnerability.

Workarounds

A workaround exists to mitigate and fix this vulnerability. The workaround requires manual intervention on the affected system. Please contact the Cisco Technical Assistance Center (TAC) for instructions on how to implement this workaround. Customers are advised to migrate to Cisco TelePresence Recording Server software version 1.7.2.1.

Additional mitigations that can be deployed on Cisco devices within the network are available in the Cisco Applied Intelligence companion document for this advisory: http://www.cisco.com/warp/public/707/cisco-amb-20110729-tp.shtml

Obtaining Fixed Software

Cisco has released free software updates that address this vulnerability. Prior to deploying software, customers should consult their maintenance provider or check the software for feature set compatibility and known issues specific to their environment.

Customers may only install and expect support for the feature sets they have purchased. By installing, downloading, accessing or otherwise using such software upgrades, customers agree to be bound by the terms of Cisco's software license terms found at: http://www.cisco.com/en/US/docs/general/warranty/English/EU1KEN_.html or as otherwise set forth at Cisco.com Downloads at: http://www.cisco.com/public/sw-center/sw-usingswc.shtml

Do not contact psirt@cisco.com or security-alert@cisco.com for software upgrades.

Customers with Service Contracts

Customers with contracts should obtain upgraded software through their regular update channels. For most customers, this means that upgrades should be obtained through the Software Center on Cisco's worldwide website at http://www.cisco.com.

Customers without Service Contracts

Customers who purchase direct from Cisco but do not hold a Cisco service contract, and customers who purchase through third-party vendors but are unsuccessful in obtaining fixed software through their point of sale should acquire upgrades by contacting the Cisco Technical Assistance Center (TAC). TAC contacts are as follows.

  • +1 800 553 2447 (toll free from within North America)
  • +1 408 526 7209 (toll call from anywhere in the world)
  • e-mail: tac@cisco.com

Customers should have their product serial number available and be prepared to give the URL of this notice as evidence of entitlement to a free upgrade. Free upgrades for non-contract customers must be requested through the TAC.

Refer to http://www.cisco.com/en/US/support/tsd_cisco_worldwide_contacts.html for additional TAC contact information, including localized telephone numbers, and instructions and e-mail addresses for use in various languages.

Exploitation and Public Announcements

Potential exploitation was reported directly to Cisco by a single customer. The PSIRT is not aware of any widespread exploitation or public announcements of this vulnerability.

Status of this Notice: FINAL

THIS DOCUMENT IS PROVIDED ON AN "AS IS" BASIS AND DOES NOT IMPLY ANY KIND OF GUARANTEE OR WARRANTY, INCLUDING THE WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR USE. YOUR USE OF THE INFORMATION ON THE DOCUMENT OR MATERIALS LINKED FROM THE DOCUMENT IS AT YOUR OWN RISK. CISCO RESERVES THE RIGHT TO CHANGE OR UPDATE THIS DOCUMENT AT ANY TIME.

A stand-alone copy or Paraphrase of the text of this document that omits the distribution URL in the following section is an uncontrolled copy, and may lack important information or contain factual errors.

Distribution

This advisory is posted on Cisco's worldwide website at : http://www.cisco.com/warp/public/707/cisco-sa-20110729-tp.shtml

In addition to worldwide web posting, a text version of this notice is clear-signed with the Cisco PSIRT PGP key and is posted to the following e-mail and Usenet news recipients.

  • cust-security-announce@cisco.com
  • first-bulletins@lists.first.org
  • bugtraq@securityfocus.com
  • vulnwatch@vulnwatch.org
  • cisco@spot.colorado.edu
  • cisco-nsp@puck.nether.net
  • full-disclosure@lists.grok.org.uk
  • comp.dcom.sys.cisco@newsgate.cisco.com

Future updates of this advisory, if any, will be placed on Cisco's worldwide website, but may or may not be actively announced on mailing lists or newsgroups. Users concerned about this problem are encouraged to check the above URL for any updates.

Revision History

+---------------------------------------+ | Revision | | Initial | | 1.0 | 2011-July-29 | public | | | | release. | +---------------------------------------+

Cisco Security Procedures

Complete information on reporting security vulnerabilities in Cisco products, obtaining assistance with security incidents, and registering to receive security information from Cisco, is available on Cisco's worldwide website at: http://www.cisco.com/en/US/products/products_security_vulnerability_policy.html This includes instructions for press inquiries regarding Cisco security notices. All Cisco security advisories are available at: http://www.cisco.com/go/psirt

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