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Cisco Security Advisory: Cisco Webex Network Recording Players Remote Code Execution Vulnerabilities

Advisory ID: cisco-sa-20180718-webex-rce

Revision: 1.0

For Public Release: 2018 July 18 16:00 GMT

Last Updated: 2018 July 18 16:00 GMT

CVE ID(s): CVE-2018-0379

CVSS Score v(3): 7.8 CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

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Summary

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Multiple vulnerabilities exist in the Cisco Webex Network Recording Player for Advanced Recording Format (ARF) and Webex Recording Format (WRF) files. An attacker could exploit these vulnerabilities by providing a user with a malicious .arf or .wrf file via email or URL and convincing the user to launch the file in the Webex recording players. Exploitation of these vulnerabilities could allow arbitrary code execution on the system of a targeted user. There is no risk when a .arf player that is stored on a Webex site is played in the Webex Network Recording Player.

The Cisco Webex players are applications that are used to play back Webex meetings that have been recorded by an online meeting attendee. The Webex Network Recording Player for .arf files can be automatically installed when the user accesses a recording that is hosted on a Webex server. The Webex Player for .wrf files can be downloaded manually.

Cisco has updated affected versions of the ARF and WRF recording players on Cisco Webex Meetings Suite sites, Cisco Webex Meetings Online sites, and Cisco Webex Meetings Server. There are no workarounds that address these vulnerabilities.

This advisory is available at the following link:

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180718-webex-rce [“https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180718-webex-rce”]

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