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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2019.0085 Cisco Webex Business Suite Cross-Site Scripting Vulnerability 10 January 2019 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: Cisco Webex Business Suite Publisher: Cisco Systems Operating System: Cisco Impact/Access: Cross-site Scripting -- Remote with User Interaction Resolution: Patch/Upgrade CVE Names: CVE-2018-15461 Original Bulletin: https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190109-webex-bs-xss - --------------------------BEGIN INCLUDED TEXT-------------------- Cisco Webex Business Suite Cross-Site Scripting Vulnerability Importance: Medium Advisory ID: cisco-sa-20190109-webex-bs-xss First Published: 2019 January 9 16:00 GMT Version 1.0: Final Workarounds: No workarounds available Cisco Bug IDs: CSCvk29147 CVE-2018-15461 CWE-79 CVSS Score: Base 6.1 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 Summary o A vulnerability in the MyWebex component of Cisco Webex Business Suite could allow an unauthenticated, remote attacker to conduct a cross-site scripting (XSS) attack. The vulnerability is due to insufficient validation of user-supplied input. An attacker could exploit this vulnerability by convincing a user to click a crafted URL. To exploit this vulnerability, the attacker may provide a link that directs a user to a malicious site and use misleading language or instructions to persuade the user to follow the provided link. 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-20190109-webex-bs-xss Affected Products o Vulnerable Products This vulnerability affects Cisco Webex Business Suite. For information about affected software releases, consult the Cisco bug ID(s) at the top of this advisory. Products Confirmed Not Vulnerable Only products listed in the Vulnerable Products section of this advisory are known to be affected by this vulnerability. Workarounds o There are no workarounds that address this vulnerability. Fixed Software o 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 o 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 o This vulnerability was found during internal security testing. Cisco Security Vulnerability Policy o To learn about Cisco security vulnerability disclosure policies and publications, see the Security Vulnerability Policy. This document also contains instructions for obtaining fixed software and receiving security vulnerability information from Cisco. Action Links for This Advisory o Understanding Cross-Site Scripting (XSS) Threat Vectors Related to This Advisory o Cross-Site Scripting URL o https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/ cisco-sa-20190109-webex-bs-xss Revision History o +----------+---------------------------+----------+--------+------------------+ | Version | Description | Section | Status | Date | +----------+---------------------------+----------+--------+------------------+ | 1.0 | Initial public release. | -- | Final | 2019-January-09 | +----------+---------------------------+----------+--------+------------------+ - --------------------------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: 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 iQIVAwUBXDbXdmaOgq3Tt24GAQgibQ/9Gr2MaeObBY+hcq6Z68Pgf+X424r9IG5Y Fyifs2r+BFSDR2byzl/mJ8nRwZQscdqwuG0+4hU9bfSDlIwzcoUadrp6VaAytUZH MaJo07FJIzqwkJiyvFFNhs5fDx5LZH5xa9RsHphXYt8cf9I4aOcolCsZAOmpVrAf wAgLPcXrfbbQVRe2vhvdkrI6KnLF4UF2Q2YQT2sErHB1DXAW6WOemOSjUEFVAhYC CGjmckBFGYXNgShjEVVs6w4DOQM1gwf62b5y7s6jpfiPow77t06ddrlkhCJiHT6W xoXREFAblR5ZmGzsboHJ0wl7qWVWO/yPYRW90RYJ4abRrLjrCyt6GXrZPrGIPPD2 70uzUvasio8DCDh0rBig5vkVB6PDCga9JNsTn6dImGYhxkmbqMp085JoorvHhwpg 4lM5jvBz/Hh886uQMtpIc7S1KDwmNhU1vRAnMYLV5enKLnlhuWQ2/GK0EuC90QYp vxF/6RsTs1ectAMku2mo7vPsxhI5+ZhjOdPaWKTfzp9DY2jGZ4l1OF4STegCTfap HRgk4js1HXufVH1sefGs1DILgEZqQFd7VoW1zYbGWe9nOqMPNWw5DIW1hfF88Or2 3cSgyZpV6g5bScf7hfb28SMP9x+HFJkvrCfBQw55xV57gUqJ48myuRZifr4MkmO4 qwOEGkrHCbk= =LOb8 -----END PGP SIGNATURE-----