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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2017.2507 Cisco WebEx Meetings Server Cross-Site Scripting Vulnerability 5 October 2017 =========================================================================== 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 - --------------------------BEGIN INCLUDED TEXT-------------------- 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 - --------------------------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 auscert@auscert.org.au 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. The decision to follow or act on information or advice contained in this security bulletin is the responsibility of each user or organisation, and should be considered in accordance with your organisation's site policies and procedures. AusCERT takes no responsibility for consequences which may arise from following or acting on information or advice contained in this security bulletin. NOTE: This is only the original release of the security bulletin. It may not be updated when updates to the original are made. If downloading at a later date, it is recommended that the bulletin is retrieved directly from the author's website to ensure that the information is still current. Contact information for the authors of the original document is included in the Security Bulletin above. If you have any questions or need further information, please contact them directly. Previous advisories and external security bulletins can be retrieved from: http://www.auscert.org.au/render.html?cid=1980 =========================================================================== Australian Computer Emergency Response Team The University of Queensland Brisbane Qld 4072 Internet Email: auscert@auscert.org.au Facsimile: (07) 3365 7031 Telephone: (07) 3365 4417 (International: +61 7 3365 4417) AusCERT personnel answer during Queensland business hours which are GMT+10:00 (AEST). On call after hours for member emergencies only. =========================================================================== -----BEGIN PGP SIGNATURE----- Comment: http://www.auscert.org.au/render.html?it=1967 iQIVAwUBWdWv3Yx+lLeg9Ub1AQiAJQ//b1jX1tGL1xMJlUuz/AQjlpkpd6xlqbhQ cmsG2vZnMQ/+tkPQ1YOgD7e6rEBcyEsDYBzi09kNMlTBRSL0bsmKowEjnZ3j41DJ xj2P292Z0FrAhThZiwg+oIlS4AMzrsJkkdSKZWVcU2ECJp82j6TTxGLBJ/hg148k qJGKBLC9U1N4Rfa+v3Dqi8GMWzmG1a/ZbC4p0LJ4gzsL2/NViaKeenst8RX31bH9 3g9fv7JyNl5CVs/ppkU0iWOBmI1wira310+/h6SuAiGqZPDHSdu1+OCj8MJVVaIa Xvuq7uFKjqgsBx/lcjDDpLmEL9Za7KoUhAGJ9QLM/YkHrtvQYDbwjAJPprUJrWCB tjWW7MtGKgeYS8PItzrVxZnNCcU/PjNOrvrdRZumsLaWoZ0YU4bgIJz3EC5FnywR b2NDZXaG74FjCB3CPpoRkho9JPM09PyRqvVBTzo7TKOvea7w1hjTQYSBHHcb8N1k 8dv5bWhPogvA0vQak/edLxd1Oj6wJ+I39HABYrTZFjb11ekk6WMc/XPbs1JoObwo KzoR6Kmzhrqm7STlqPSSIJWaMZOALQPfxPNaGx4PQrW59206T0KPIfQXly1nBCku 0nwNJIIXXuz+7OBocDzFjuDd/junLwG0e2F7+xgBwKF+i0M/Vd6eWt5kNGU2y9cp yujJvXjJiQ4= =abuy -----END PGP SIGNATURE-----