CVE-2019-8280 : What You Need to Know

A vulnerability related to out-of-bounds access in the RAW decoder of the VNC client has been identified in UltraVNC revision 1203. Exploiting this vulnerability could lead to potential code execution. It is important to note that this vulnerability can be exploited remotely through network connectivity. However, the issue has been addressed and resolved in revision 1204 of UltraVNC.

Understanding CVE-2019-8280

This CVE involves a critical vulnerability in UltraVNC that could allow remote attackers to execute arbitrary code.

What is CVE-2019-8280?

The vulnerability in UltraVNC revision 1203 allows for out-of-bounds access in the RAW decoder of the VNC client, potentially resulting in code execution. The issue has been fixed in revision 1204.

The Impact of CVE-2019-8280

Exploiting this vulnerability could lead to arbitrary code execution on affected systems.
Attackers can exploit this flaw remotely through network connectivity.

Technical Details of CVE-2019-8280

This section provides more in-depth technical details about the vulnerability.

Vulnerability Description

The vulnerability involves out-of-bounds access in the RAW decoder of the VNC client in UltraVNC revision 1203.

Affected Systems and Versions

Product: UltraVNC
Vendor: Kaspersky Lab
Version: 1.2.2.3

Exploitation Mechanism

Attackers can exploit this vulnerability remotely through network connectivity.

Mitigation and Prevention

It is crucial to take immediate steps to mitigate the risks posed by CVE-2019-8280.

Immediate Steps to Take

Update UltraVNC to revision 1204 or the latest version that contains the fix.
Implement network security measures to prevent remote exploitation.

Long-Term Security Practices

Regularly update software and apply patches promptly.
Conduct security assessments and audits to identify and address vulnerabilities.

Patching and Updates

Ensure that all systems running UltraVNC are updated to revision 1204 or above to mitigate the vulnerability.