Cisco WebEx Meetings Server Multiple Cross-Site Scripting Vulnerabilities

Summary

• A vulnerability in the web framework code of Cisco WebEx Meetings Server could allow an unauthenticated, remote attacker to conduct a cross-site scripting (XSS) attack against the user of the web interface of the affected system.
  
  The vulnerability is due to insufficient input validation of some parameters passed to the web server. An attacker could exploit this vulnerability by convincing the user to access a malicious link or by intercepting the user request and injecting the malicious code. An exploit could allow the attacker to execute arbitrary script code in the context of the affected site or allow the attacker to access sensitive browser-based information.
  
  Cisco has not released software updates that address this vulnerability. Workarounds that address this vulnerability are not available.
  
  This advisory is available at the following link: http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160202-wms

Affected Products

• Vulnerable Products

  The following releases of Cisco WebEx Meetings Server are affected:
  

  • Cisco WebEx Meetings Server Release 2.6.1.39, which is the official 2.6 first customer shipment (FCS)
  • Cisco WebEx Meetings Server Release 2.5.1.29, which is the official 2.5 FCS

  Products Confirmed Not Vulnerable

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

Workarounds

• There are no workarounds that address this vulnerability.

Fixed Software

• 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 upgrade 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.
  
  

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 Adam Willard of Raytheon Foreground Security for reporting this vulnerability.

URL

• http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160202-wms

Revision History

• Version	Description	Section	Status	Date
  1.2	Updated vulnerable product information.	Vulnerable Products	Final	2016-February-18
  1.1	Updated source information and added Cisco bug ID CSCuy12322	Source and Cisco Bug IDs	Final	2016-February-05
  1.0	Initial public release	-	Final	2016-February-02

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