Heap Overflow Vulnerability in VMware ESXi, Workstation, and Fusion
CVE-2020-3967

7.5HIGH

Key Information:

Vendor

Vmware
Status
Vmware Esxi
Workstation
Fusion
Vendor
CVE Published:
25 June 2020

What is CVE-2020-3967?

VMware ESXi, Workstation, and Fusion are susceptible to a heap overflow vulnerability in the USB 2.0 controller (EHCI). This vulnerability allows a malicious actor with local access to a virtual machine to potentially execute code on the hypervisor. For the exploit to be successful, additional conditions must be present beyond the attacker's control, making it a complex scenario for unauthorized code execution. IT administrators should prioritize patching and securing their VMware products as indicated in the official advisory.

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Deploy the Patch

Affected Version(s)

Fusion 11.x before 11.5.5

VMware ESXi 7.0 before ESXi_7.0.0-1.20.16321839

VMware ESXi 6.7 before ESXi670-202004101-SG

References

https://www.vmware.com/security/advisories/VMSA-2020-0015...
x_refsource_CONFIRM
https://www.zerodayinitiative.com/advisories/ZDI-20-784/
x_refsource_MISC

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
High
Privileges Required:
High
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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