Out-of-Bounds Write Vulnerability in VMware ESXi, Workstation, and Fusion
CVE-2020-3982

7.7HIGH

Key Information:

Vendor

Vmware
Status
Vmware Esxi, Workstation, Fusion
Vendor
CVE Published:
20 October 2020

What is CVE-2020-3982?

VMware ESXi, Workstation, and Fusion products are susceptible to an out-of-bounds write vulnerability stemming from a time-of-check time-of-use issue in ACPI device handling. This flaw allows an attacker with administrative access to a compromised virtual machine to potentially exploit the vulnerability, leading to a crash of the virtual machine's vmx process or corruption within the hypervisor's memory heap. Proper patching is essential to mitigate this risk.

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Affected Version(s)

VMware ESXi, Workstation, Fusion VMware ESXi (7.0 before ESXi_7.0.1-0.0.16850804, 6.7 before ESXi670-202008101-SG, 6.5 before ESXi650-202007101-SG), Workstation (15.x), Fusion (11.x before 11.5.6)

References

https://www.vmware.com/security/advisories/VMSA-2020-0023...
x_refsource_MISC

CVSS V3.1

Score:
7.7
Severity:
HIGH
Confidentiality:
None
Integrity:
High
Availability:
None
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
High
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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