CVE-2017-4933: High severity vmware workstation vulnerability
VMware ESXi (6.5 before ESXi650-201710401-BG), Workstation (12.x before 12.5.8), and Fusion (8.x before 8.5.9) contain a vulnerability that could allow an authenticated VNC session to cause a heap overflow via a specific set of VNC packets resulting in heap corruption. Successful exploitation of this issue could result in remote code execution in a virtual machine via the authenticated VNC session. Note: In order for exploitation to be possible in ESXi, VNC must be manually enabled in a virtual machine's .vmx configuration file. In addition, ESXi must be configured to allow VNC traffic through the built-in firewall.
Affected Software
Event History
Frequently Asked Questions
What is CVE-2017-4933?
CVE-2017-4933 is a vulnerability in VMware ESXi, Workstation, and Fusion that allows an authenticated VNC session to cause a heap overflow resulting in heap corruption.
What is the severity of CVE-2017-4933?
The severity of CVE-2017-4933 is rated as high with a severity value of 8.8.
Which software versions are affected by CVE-2017-4933?
VMware ESXi versions 6.5, Workstation versions 12.x before 12.5.8, and Fusion versions 8.x before 8.5.9 are affected by CVE-2017-4933.
How can CVE-2017-4933 be exploited?
CVE-2017-4933 can be exploited through an authenticated VNC session using a specific set of VNC packets that cause a heap overflow and result in heap corruption.
Where can I find more information about CVE-2017-4933?
You can find more information about CVE-2017-4933 on the following references: [SecurityTracker ID 1040024](http://www.securitytracker.com/id/1040024), [SecurityTracker ID 1040025](http://www.securitytracker.com/id/1040025), and [VMware Advisory VMSA-2017-0021](https://www.vmware.com/security/advisories/VMSA-2017-0021.html).