Information Disclosure Vulnerability in VMware Workstation and Horizon Client
CVE-2020-3990

6.5MEDIUM

Key Information:

Vendor

Vmware
Status
Vmware Workstation And Horizon Client For Windows
Vendor
CVE Published:
16 September 2020

What is CVE-2020-3990?

VMware Workstation (15.x) and Horizon Client for Windows (5.x prior to 5.4.4) contain a vulnerability stemming from an integer overflow issue in the Cortado ThinPrint component. A malicious actor with access to a virtual machine can exploit this vulnerability to disclose sensitive memory information from the TPView process running on the host system. Notably, exploitation is only possible if the virtual printing feature is enabled; while this is not enabled by default on Workstation, it is enabled by default on Horizon Client.

Affected Version(s)

VMware Workstation and Horizon Client for Windows VMware Workstation (15.x), Horizon Client for Windows (5.x before 5.4.4)

References

https://www.vmware.com/security/advisories/VMSA-2020-0020...
x_refsource_MISC

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.
CVE-2020-3990 : Information Disclosure Vulnerability in VMware Workstation and Horizon Client