CVE-2019-1637 : Vulnerability Insights and Analysis

Cisco Webex Network Recording Player Arbitrary Code Execution Vulnerabilities

Understanding CVE-2019-1637

This CVE involves a security flaw in Cisco Webex Network Recording Player for Microsoft Windows, potentially allowing unauthorized code execution.

What is CVE-2019-1637?

The vulnerability stems from improper validation of ARF and WRF files in the affected software, enabling attackers to execute unauthorized commands on impacted systems.

The Impact of CVE-2019-1637

If successfully exploited, malicious individuals could execute unauthorized code on affected systems, posing a high risk to confidentiality, integrity, and availability.

Technical Details of CVE-2019-1637

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The flaw in Cisco Webex Network Recording Player allows attackers to send malicious ARF or WRF files to users, convincing them to open the files using the affected software, leading to unauthorized code execution.

Affected Systems and Versions

Product: Cisco WebEx WRF Player
Vendor: Cisco
Version: n/a

Exploitation Mechanism

Attack Complexity: Low
Attack Vector: Local
Privileges Required: None
User Interaction: Required
Scope: Unchanged
Availability Impact: High
Confidentiality Impact: High
Integrity Impact: High

Mitigation and Prevention

Protecting systems from CVE-2019-1637 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update the affected software to the latest version provided by Cisco.
Educate users about the risks associated with opening files from unknown sources.

Long-Term Security Practices

Implement email filtering to detect and block malicious attachments.
Regularly educate users on cybersecurity best practices to prevent social engineering attacks.

Patching and Updates

Regularly check for security updates and patches from Cisco to address vulnerabilities like CVE-2019-1637.