Off-by-One Heap Overflow in VMware ESXi, Workstation, and Fusion
CVE-2020-3969

7.8HIGH

Key Information:

Vendor

Vmware
Status
Vmware Esxi
Workstation
Fusion
Vendor
CVE Published:
24 June 2020
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What is CVE-2020-3969?

VMware ESXi, Workstation, and Fusion contain an off-by-one heap overflow vulnerability affecting the SVGA device. A local attacker with access to a virtual machine equipped with 3D graphics could potentially exploit this issue to execute arbitrary code on the hypervisor. Successful exploitation involves specific conditions beyond the attacker’s control, making it a crucial consideration for those managing affected VMware products.

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-20-786/
x_refsource_MISC

CVSS V3.1

Score:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
High
Privileges Required:
Low
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.