Operating System:

[Cisco]

Published:

18 August 2016

Protect yourself against future threats.

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2016.1988
Cisco Smart Call Home Transport Gateway Cross-Site Scripting Vulnerability
                              18 August 2016

===========================================================================

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

Product:           Cisco Smart Call Home Transport Gateway
Publisher:         Cisco Systems
Operating System:  Cisco
Impact/Access:     Cross-site Scripting -- Remote with User Interaction
Resolution:        Mitigation

Original Bulletin: 
   http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160817-sch

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Cisco Smart Call Home Transport Gateway Cross-Site Scripting Vulnerability

Medium

Advisory ID:

cisco-sa-20160817-sch

First Published:

2016 August 17 16:00 GMT

Version 1.0:

Final

Workarounds:

No workarounds available

Cisco Bug IDs:

CSCva40650

CSCva40817

CVSS Score:

Base 4.3, Temporal 4.1

CVE-2016-6359

CWE-79

Summary

A vulnerability in the web framework of the Cisco Smart Call Home Transport 
Gateway could allow an unauthenticated, remote attacker to conduct a 
cross-site scripting (XSS) attack.

The vulnerability is due to insufficient input validation of a user-supplied 
value. An attacker could exploit this vulnerability by persuading a user of an
affected system to follow a malicious link. An exploit could allow the 
attacker to execute arbitrary script code in the context of the affected site.

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-20160817-sch

Affected Products

Vulnerable Products

Cisco Smart Call Home Transport Gateway running Transport Gateway Installation
Software version 4.1(4.0) is vulnerable.

Products Confirmed Not Vulnerable

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

Workarounds

For additional information about cross-site scripting attacks and the methods
used to exploit these vulnerabilities, see the Cisco Applied Mitigation 
Bulletin Understanding Cross-Site Scripting (XSS) Threat Vectors.

Fixed Software

Cisco provides information about fixed software in Cisco bugs, which are 
accessible through the Cisco Bug Search Tool.

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.

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.

URL

http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160817-sch

Revision History

Version Description 		Section Status 	Date

1.0 	Initial public release. -	Final 	2016-August-17

Legal Disclaimer

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 standalone copy or paraphrase of the text of this document that omits the 
distribution URL is an uncontrolled copy and may lack important information or
contain factual errors. The information in this document is intended for end 
users of Cisco products.

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