CVE-2020-3958 : Security Advisory and Response
Learn about CVE-2020-3958 affecting VMware ESXi, Workstation, and Fusion. Find out how attackers can exploit this vulnerability and steps to mitigate the risk.
VMware ESXi, VMware Workstation, and VMware Fusion are affected by a denial-of-service vulnerability in the shader functionality.
Understanding CVE-2020-3958
What is CVE-2020-3958?
CVE-2020-3958 is a denial-of-service vulnerability affecting VMware ESXi, VMware Workstation, and VMware Fusion.
The Impact of CVE-2020-3958
The vulnerability could allow attackers with non-administrative access to crash a virtual machine's vmx process, leading to a denial of service.
Technical Details of CVE-2020-3958
Vulnerability Description
The vulnerability exists in VMware ESXi (6.7 before ESXi670-202004101-SG and 6.5 before ESXi650-202005401-SG), VMware Workstation (15.x before 15.5.2), and VMware Fusion (11.x before 11.5.2).
Affected Systems and Versions
- VMware ESXi 6.7 before ESXi670-202004101-SG
- VMware ESXi 6.5 before ESXi650-202005401-SG
- VMware Workstation 15.x before 15.5.2
- VMware Fusion 11.x before 11.5.2
Exploitation Mechanism
Attackers with non-administrative access can exploit the vulnerability to crash a virtual machine's vmx process.
Mitigation and Prevention
Immediate Steps to Take
- Apply the necessary security patches provided by VMware.
- Monitor VMware's security advisories for updates.
Long-Term Security Practices
- Regularly update VMware products to the latest versions.
- Implement strong access controls to limit non-administrative access.
Patching and Updates
Ensure timely installation of security patches released by VMware.