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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2017.2636 Cisco WebEx Meeting Center Cross-Site Scripting Vulnerability 19 October 2017 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: Cisco WebEx Meeting Center Publisher: Cisco Systems Operating System: Windows UNIX variants (UNIX, Linux, OSX) Impact/Access: Cross-site Scripting -- Remote with User Interaction Resolution: Patch/Upgrade CVE Names: CVE-2017-12298 Original Bulletin: https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20171018-wmc1 - --------------------------BEGIN INCLUDED TEXT-------------------- Medium Advisory ID: cisco-sa-20171018-wmc1 First Published: 2017 October 18 16:00 GMT Version 1.0: Final Workarounds: No workarounds available Cisco Bug IDs: CSCvf78615 CSCvf78628 CVE-2017-12298 CWE-79 CVSS Score: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:X/RL:X/RC:X CVE-2017-12298 CWE-79 Summary A vulnerability in Cisco WebEx Meeting Center could allow an unauthenticated, remote attacker to conduct a cross-site scripting (XSS) attack against a user 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-20171018-wmc1 Affected Products Vulnerable Products This vulnerability affects Cisco WebEx Meeting Center. 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 Adam Willard of Blue Canopy. Revision History +----------+---------------------------+----------+--------+------------------+ | Version | Description | Section | Status | Date | +----------+---------------------------+----------+--------+------------------+ | 1.0 | Initial public release. | -- | Final | 2017-October-18 | +----------+---------------------------+----------+--------+------------------+ 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. 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Previous advisories and external security bulletins can be retrieved from: https://www.auscert.org.au/bulletins/ =========================================================================== 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 iQIVAwUBWegWMox+lLeg9Ub1AQhR4BAArYbtIXKJLiIItpJTPGMonaP3kB7kAhaY 5wv/o0he6w8S4fESr7hCFk7ToiiPjwvzp1Z+SvOlq0ODnI98Y9PlXo54BSvK+Owx g3RCMH4175aRM10whXHaBc+vJBZIdxO1FSw3WH1/GQo16SQnFcEI/7ArOMw1TRT1 xXx6YOd24+WTEeV1EyySqYPzoS2LvY8MF/WLgxSBn2sIcnzzHDrSiIvA1EXVHNIu cbwn28w1qarfhrUq+dic0cRntwxUcBPuxgBFpDocuA/gfkZ17a1dajEyqBuSP/Zo OSNDaTKjRnllPgNaxV6sHdcYdtlcvlM2avHEbRHgm/U27/AJtgOenz3tAo83K28l f9ir+1pk6m4SBM3zk7VqCaOk0FJdIn/uisPm2qhhvWJ/BsTb/fhm43TWoTIxf2oz K64v/ZBWTOKV/8ZCUd/be/Z5/WBoksz09w4gW/U24pIPKi619DPbqNbNSfr7ndXr v1UBQQ6FF4yqbQ8cWVuQ88puQMzgRYa+i2UDcQaOOEJO+iCvVtXCGJl0lmAyrlxM h2Mej3J9H8Xte0DRVxb4ya9ltviZ1gJLR2JD4bkAAvka7F9rn5N/Ia5XoTzgCekU 7jrjHLdK07V5hkveY+OyBBYdYe6nZjjq3gEv9NgKU35HNFuVsgWtbbRY/dczieRY uN0pgER+PoE= =n9Ix -----END PGP SIGNATURE-----