CVE-2019-15284 : Exploit Details and Defense Strategies

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

Understanding CVE-2019-15284

Multiple vulnerabilities in Cisco Webex Network Recording Player and Cisco Webex Player for Microsoft Windows allow attackers to execute arbitrary code on affected systems.

What is CVE-2019-15284?

The vulnerabilities in Cisco Webex Network Recording Player and Cisco Webex Player for Microsoft Windows stem from inadequate validation of elements within Webex recordings stored in ARF or WRF formats. Attackers can exploit these weaknesses by tricking users into opening malicious files, granting them unauthorized access to run code on compromised systems.

The Impact of CVE-2019-15284

CVSS Base Score: 7.8 (High Severity)
Attack Vector: Local
Attack Complexity: Low
Privileges Required: None
User Interaction: Required
Confidentiality, Integrity, and Availability Impact: High

Technical Details of CVE-2019-15284

Cisco Webex Network Recording Player and Cisco Webex Player vulnerabilities are described below:

Vulnerability Description

The vulnerabilities allow attackers to execute arbitrary code on affected systems by exploiting insufficient validation of elements within Webex recordings stored in ARF or WRF formats.

Affected Systems and Versions

Product: Cisco WebEx WRF Player
Vendor: Cisco
Affected Version: Unspecified

Exploitation Mechanism

Attackers can exploit these vulnerabilities by sending users malicious ARF or WRF files through links or email attachments, persuading them to open the files with the affected software on their local systems.

Mitigation and Prevention

Immediate actions and long-term security practices to mitigate the CVE-2019-15284 vulnerabilities:

Immediate Steps to Take

Update affected software to the latest version provided by Cisco.
Avoid opening files from untrusted sources or unknown senders.
Implement email and web filtering to block suspicious attachments and links.

Long-Term Security Practices

Regularly educate users on safe email and file handling practices.
Conduct security awareness training to recognize phishing attempts.
Employ endpoint protection solutions to detect and prevent malicious file executions.
Monitor network traffic for unusual file transfer activities.

Patching and Updates

Apply security patches and updates promptly to address known vulnerabilities and enhance system security.