Cisco WebEx site administrators have access to secondary version nomenclature, for example, T29 SP32 EP16, which shows that the server is running client build 29.32.16. For example, if client build 29.32.16 is fixed, build 29.32.17 will contain updated software. The Cisco WebEx software updates are cumulative in client builds. Version information for the Cisco WebEx meeting client on Mac platforms can be viewed by choosing Meeting Center > About Cisco WebEx Meeting Center. Version information for the Cisco WebEx meeting client on Windows and Linux platforms can be viewed by choosing Help > About Cisco WebEx Meeting Center. The version of the WebEx client build will be displayed on the right side of the page under "About Support Center."Īlternatively, version information of the Cisco WebEx Meeting client can be accessed from within the Cisco WebEx Meeting client. To determine whether a Cisco WebEx meeting site is running an affected version of the WebEx client build, users can log in to their Cisco WebEx meeting site and go to the Support > Downloads section.
Cisco WebEx Business Suite (WBS31) client builds prior to T31.10.Cisco WebEx Business Suite (WBS30) client builds prior to T30.17.Cisco WebEx Business Suite (WBS29) client builds prior to T29.13.130.The following client builds are affected by this vulnerability: This vulnerability affects the Cisco WebEx ARF Player.
This advisory is available at the following link: There are no workarounds that address this vulnerability. The player can be automatically installed when the user accesses a recording file that is hosted on a WebEx server.Ĭisco has released software updates that address this vulnerability. The Cisco WebEx Network Recording Player is an application that is used to play back WebEx meeting recordings that have been recorded on the computer of an online meeting attendee. Exploitation of these vulnerabilities could cause an affected player to crash and, in some cases, could allow arbitrary code execution on the system of a targeted user. An attacker could exploit these vulnerabilities by providing a user with a malicious ARF file via email or URL and convincing the user to launch the file. Multiple buffer overflow vulnerabilities exist in the Cisco WebEx Network Recording Player for Advanced Recording Format (ARF) files.
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