ESB-2017.2507 - [Cisco] Cisco WebEx Meetings Server: Cross-site scripting - Remote with user interaction 2017-10-05

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2017.2507
      Cisco WebEx Meetings Server Cross-Site Scripting Vulnerability
                              5 October 2017

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        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           Cisco WebEx Meetings Server
Publisher:         Cisco Systems
Operating System:  Cisco
Impact/Access:     Cross-site Scripting -- Remote with User Interaction
Resolution:        Patch/Upgrade
CVE Names:         CVE-2017-12257  

Original Bulletin: 
   https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20171004-wms

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Cisco WebEx Meetings Server Cross-Site Scripting Vulnerability

Medium

Advisory ID:
cisco-sa-20171004-wms

First Published:
2017 October 4 16:00 GMT

Version 1.0:
Final

Workarounds:
No workarounds available

Cisco Bug IDs:
CSCve96608

CVSS Score:
Base 6.1

CVE-2017-12257
CWE-79

Summary

A vulnerability in the web framework of Cisco WebEx Meetings Server could 
allow an unauthenticated, remote attacker to conduct a cross-site scripting 
(XSS) attack against a user of the web interface of an affected system.

The vulnerability is due to insufficient input validation of some parameters 
that are passed to the web server of the affected system. An attacker could 
exploit this vulnerability by convincing a user to follow a malicious link or
by intercepting a user request and injecting malicious code into the request.
A successful exploit could allow the attacker to execute arbitrary script code
in the context of the affected web interface or allow the attacker to access 
sensitive browser-based information.

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-20171004-wms

Affected Products

Vulnerable Products

This vulnerability affects Cisco WebEx Meetings Server. For information about
affected software releases, consult the Cisco bug ID(s) at the top of this 
advisory.

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

For information about fixed software releases, consult the Cisco bug ID(s) at
the top of this advisory.

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.

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 Ali Ardic, Cyber Security 
Researcher & Specialist.

URL

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20171004-wms

Revision History

Version Description 		Section Status 	Date
1.0 	Initial public release. -	Final 	2017-October-04

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