CVE-2019-8287 : Vulnerability Insights and Analysis

TightVNC version 1.3.10, developed by Kaspersky, is susceptible to a global buffer overflow in the HandleCoRREBBP macro function, potentially leading to code execution through network connections.

Understanding CVE-2019-8287

This CVE involves a buffer overflow vulnerability in TightVNC version 1.3.10.

What is CVE-2019-8287?

TightVNC version 1.3.10 is affected by a global buffer overflow in the HandleCoRREBBP macro function.
The vulnerability can be exploited for potential code execution, primarily through network connectivity.

The Impact of CVE-2019-8287

Attackers can exploit this vulnerability to execute arbitrary code on affected systems.
This could result in a complete compromise of the system and unauthorized access to sensitive information.

Technical Details of CVE-2019-8287

This section provides technical insights into the vulnerability.

Vulnerability Description

The vulnerability is classified as CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow').
It resides in the HandleCoRREBBP macro function of TightVNC version 1.3.10.

Affected Systems and Versions

Product: TightVNC
Vendor: Kaspersky
Version: 1.3.10

Exploitation Mechanism

The vulnerability can be exploited through network connectivity, allowing attackers to trigger the buffer overflow and potentially execute malicious code.

Mitigation and Prevention

Protecting systems from CVE-2019-8287 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update TightVNC to a patched version that addresses the buffer overflow vulnerability.
Implement network segmentation to limit the impact of potential attacks.
Monitor network traffic for any suspicious activities that could indicate exploitation attempts.

Long-Term Security Practices

Regularly update software and apply security patches to mitigate known vulnerabilities.
Conduct security assessments and penetration testing to identify and address potential weaknesses in the system.

Patching and Updates

Stay informed about security advisories and updates released by Kaspersky for TightVNC.
Promptly apply patches to ensure that the system is protected against known vulnerabilities.