CVE-2022-22943 : Security Advisory and Response

VMware Tools for Windows (11.x.y and 10.x.y before 12.0.0) is impacted by an uncontrolled search path vulnerability, potentially allowing a local attacker to execute arbitrary code with system privileges.

Understanding CVE-2022-22943

This CVE describes a security issue in VMware Tools for Windows that could lead to privilege escalation within the Windows guest OS where the tools are installed.

What is CVE-2022-22943?

CVE-2022-22943 is an uncontrolled search path vulnerability in VMware Tools for Windows versions 11.x.y and 10.x.y before 12.0.0. An attacker with local administrative privileges in the Windows guest OS can exploit this vulnerability to run malicious code with elevated privileges.

The Impact of CVE-2022-22943

The impact of this vulnerability is significant as it could allow an attacker to gain full control over the Windows guest OS, potentially leading to data theft, system disruption, or further network compromise.

Technical Details of CVE-2022-22943

This section outlines the specifics of the vulnerability.

Vulnerability Description

The vulnerability in VMware Tools for Windows arises from an uncontrolled search path element, enabling an attacker to manipulate the path and execute code with elevated privileges in the Windows guest OS.

Affected Systems and Versions

Systems running VMware Tools for Windows versions 11.x.y and 10.x.y before 12.0.0 are vulnerable to this exploit. Users of these versions are urged to take immediate action.

Exploitation Mechanism

Exploiting this vulnerability requires local administrative privileges within the Windows guest OS where VMware Tools are present. By manipulating the search path element, an attacker can execute malicious code with system-level permissions.

Mitigation and Prevention

Protecting systems from CVE-2022-22943 involves immediate actions and long-term security practices.

Immediate Steps to Take

Update VMware Tools for Windows to version 12.0.0 or later to patch the vulnerability.
Limit user privileges to mitigate the impact of potential attacks.

Long-Term Security Practices

Regularly monitor and update software to address new vulnerabilities promptly.
Implement network segmentation and access controls to limit the reach of potential exploits.

Patching and Updates

Ensure timely installation of software updates and security patches to address known vulnerabilities and enhance system security.