CVE-2019-15683 : Security Advisory and Response

TurboVNC server code contains a critical vulnerability that could lead to remote code execution. This CVE, identified as a stack buffer overflow issue, requires authorization on the server for successful exploitation.

Understanding CVE-2019-15683

This CVE involves a stack buffer overflow vulnerability in the TurboVNC server code.

What is CVE-2019-15683?

The vulnerability in TurboVNC server code before the commit cea98166008301e614e0d36776bf9435a536136e allows for potential remote code execution due to a lack of stack canary protection.

The Impact of CVE-2019-15683

Successful exploitation could result in remote code execution
Requires authorization on the server for exploitation

Technical Details of CVE-2019-15683

This section provides technical details about the vulnerability.

Vulnerability Description

The vulnerability is a stack buffer overflow issue in the TurboVNC server code.

Affected Systems and Versions

Product: TurboVNC
Vendor: Kaspersky
Vulnerable Version: commit prior to cea98166008301e614e0d36776bf9435a536136e

Exploitation Mechanism

Vulnerability can be exploited through network connectivity
Authorization on the server is necessary for successful exploitation

Mitigation and Prevention

Protective measures to address CVE-2019-15683.

Immediate Steps to Take

Update TurboVNC server to the fixed commit cea98166008301e614e0d36776bf9435a536136e
Monitor network traffic for any suspicious activity

Long-Term Security Practices

Implement strong authentication mechanisms
Regularly update and patch software to prevent vulnerabilities
Conduct security audits and penetration testing
Educate users on safe computing practices
Employ network segmentation to limit the impact of potential breaches

Patching and Updates

Apply the latest patches and updates provided by TurboVNC to mitigate the vulnerability