CVE-2020-3604 : Exploit Details and Defense Strategies

Cisco Webex Network Recording Player and Cisco Webex Player Arbitrary Code Execution Vulnerabilities

Understanding CVE-2020-3604

Multiple vulnerabilities in Cisco Webex Network Recording Player for Windows and Cisco Webex Player for Windows could allow an attacker to execute arbitrary code on an affected system.

What is CVE-2020-3604?

The vulnerabilities in Cisco Webex Network Recording Player and Cisco Webex Player for Windows stem from insufficient validation of certain elements in Webex recordings stored in ARF or WRF formats. Attackers can exploit these by tricking users into opening malicious files.

The Impact of CVE-2020-3604

If successfully exploited, attackers can execute arbitrary code on the affected system with the privileges of the targeted user.

Technical Details of CVE-2020-3604

Vulnerability Description

The vulnerabilities allow attackers to execute arbitrary code on affected systems due to insufficient validation of Webex recording elements.

Affected Systems and Versions

Product: Cisco Webex Network Recording Player
Vendor: Cisco
Versions: n/a

Exploitation Mechanism

Attackers can exploit the vulnerabilities by sending users malicious ARF or WRF files and convincing them to open these files with the affected software.

Mitigation and Prevention

Immediate Steps to Take

Update Cisco Webex Network Recording Player and Cisco Webex Player to the latest versions.
Be cautious when opening files from unknown or untrusted sources.

Long-Term Security Practices

Regularly update software and security patches.
Educate users on identifying and avoiding phishing attempts.

Patching and Updates

Apply patches and updates provided by Cisco to address the vulnerabilities.