CVE-2019-8265 : What You Need to Know

UltraVNC revision 1207 has vulnerabilities related to out-of-bounds access due to the improper use of SETPIXELS macro in the VNC client code. These vulnerabilities could lead to code execution, exploitable through network connectivity. The issues have been addressed in revision 1208.

Understanding CVE-2019-8265

This CVE involves vulnerabilities in UltraVNC related to out-of-bounds access, potentially allowing for code execution.

What is CVE-2019-8265?

CVE-2019-8265 is a vulnerability in UltraVNC revision 1207 due to improper use of the SETPIXELS macro in the VNC client code, leading to out-of-bounds access vulnerabilities.

The Impact of CVE-2019-8265

The identified vulnerabilities in UltraVNC revision 1207 could result in code execution, posing a significant security risk. These vulnerabilities are exploitable through network connectivity.

Technical Details of CVE-2019-8265

UltraVNC revision 1207 has vulnerabilities related to out-of-bounds access due to the improper use of SETPIXELS macro in the VNC client code.

Vulnerability Description

The use of the SETPIXELS macro in UltraVNC revision 1207 leads to out-of-bounds access vulnerabilities, potentially allowing for code execution.

Affected Systems and Versions

Product: UltraVNC
Vendor: Kaspersky Lab
Version: 1.2.2.3

Exploitation Mechanism

The vulnerabilities can be exploited through network connectivity.

Mitigation and Prevention

It is crucial to take immediate steps to address and prevent the exploitation of CVE-2019-8265.

Immediate Steps to Take

Update UltraVNC to revision 1208 or the latest version that includes the necessary fixes.
Monitor network traffic for any suspicious activity.

Long-Term Security Practices

Regularly update software and apply patches promptly.
Implement network segmentation to limit the impact of potential attacks.
Conduct regular security assessments and penetration testing.

Patching and Updates

Ensure all systems are updated with the latest patches and security updates.