18 August 2016
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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== 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 - --------------------------BEGIN INCLUDED TEXT-------------------- 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. - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. The mailing list you are subscribed to is maintained within your organisation, so if you do not wish to continue receiving these bulletins you should contact your local IT manager. If you do not know who that is, please send an email to firstname.lastname@example.org and we will forward your request to the appropriate person. NOTE: Third Party Rights This security bulletin is provided as a service to AusCERT's members. As AusCERT did not write the document quoted above, AusCERT has had no control over its content. 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