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Cisco Webex Network Recording Player Improper Input Validation Vulnerability

Summary

A vulnerability in Cisco Webex Network Recording Player and Cisco Webex Player for Microsoft Windows could allow an attacker to cause a process crash resulting in a Denial of service (DoS) condition for the player application on an affected system.

Credit:

The information has been provided by Vendor

The original article can be found at:https://quickview.cloudapps.cisco.com/quickview/bug/CSCvs98259

Details

A vulnerability in Cisco Webex Network Recording Player and Cisco Webex Player for Microsoft Windows could allow an attacker to cause a process crash resulting in a Denial of service (DoS) condition for the player application on an affected system. The vulnerability exists due to insufficient validation of certain elements with a Webex recording stored in either the Advanced Recording Format (ARF) or the Webex Recording Format (WRF). An attacker could exploit this vulnerability by sending a user a malicious ARF or WRF file through a link or email attachment and persuading the user to open the file with the affected software on the local system. A successful exploit could allow the attacker to cause the Webex player application to crash when trying to view the malicious file.

Vulnerable Systems:

Cisco Webex Network Recording Player

Cisco Webex Player

CVE Information:

CVE-2020-3321

Disclosure Timeline:
Published Date:6/3/2020

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