Out-of-Bounds Read Vulnerability in VMware Workstation and Horizon Client
CVE-2021-21989

6.5MEDIUM

Key Information:

Vendor
Vmware
Status
Vmware Workstation Pro / Player (workstation), Vmware Horizon Client For Windows
Vendor
CVE Published:
24 May 2021

Summary

VMware Workstation and Horizon Client for Windows have a security flaw due to an out-of-bounds read in the Cortado ThinPrint component. An attacker with access to a virtual machine or remote desktop could exploit this vulnerability, potentially leading to the disclosure of sensitive information from the TPView process on the affected system. Users of these products are advised to update to the latest versions to mitigate the risks associated with this vulnerability.

Affected Version(s)

VMware Workstation Pro / Player (Workstation), VMware Horizon Client for Windows VMware Workstation (16.x prior to 16.1.2) and Horizon Client for Windows (5.x prior to 5.5.2)

References

https://www.vmware.com/security/advisories/VMSA-2021-0009...
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https://www.zerodayinitiative.com/advisories/ZDI-21-610/
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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

.