VNC Connect Enterprise 7.6.0 for mac download: Security Vulnerabilities and Fixes

RealVNC's VNC Server has been plagued by several security vulnerabilities in recent years, affecting various versions of the software on different platforms. In this article, we will delve into the details of these issues, their fixes, and what users can do to ensure the maximum security of their RealVNC deployment.

CVE-2013-6886: Local Code Execution Vulnerability

In 2013, a vulnerability was discovered in VNC Server versions 5.0.6 to 6.8.0, which allowed local users to execute arbitrary code as root on Mac and Linux systems by passing maliciously crafted argument vectors to the `vncserver` setuid-root helpers. This issue has been fixed in VNC Server version 6.9.

TOCTOU Race Condition Vulnerability

A time-of-check to time-of-use (TOCTOU) race condition vulnerability was discovered in RealVNC VNC Server versions 5.1.0 to 6.9.0, affecting Linux and potentially macOS systems. This allowed local users to escalate their user privileges. The issue has been fixed in VNC Server version 6.9.1.

CVE-2022-27502: Local Privilege Escalation Vulnerability

In 2022, a vulnerability was discovered in RealVNC VNC Server versions 5.1.0 to 6.10.1 and RealVNC VNC Viewer 5.1.0 to 6.22.515 on Windows systems. This issue, which can lead to local user privilege escalation, has been fixed in VNC Server version 6.11 and VNC Viewer version 6.22.826.

CVE-2022-41975: Local Privilege Escalation Vulnerability

Another vulnerability was discovered in RealVNC VNC Server versions 5.1.0 to 6.10.1 on Windows systems, which can lead to local user privilege escalation in certain specific circumstances. This issue has been fixed in the latest versions of VNC Viewer and VNC Server.

Recommendations for Maximizing Security

To ensure the maximum security of their RealVNC deployment, customers are recommended to run the latest versions of VNC Viewer and VNC Server, available from 'RealVNC website'. By doing so, users can rest assured that they have addressed all known security vulnerabilities and are protected against potential threats.