Out-of-Bounds Read Vulnerability in VMware Workstation and Horizon Client
CVE-2021-21987

6.5MEDIUM

Key Information:

Vendor

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

What is CVE-2021-21987?

VMware Workstation and Horizon Client for Windows have a vulnerability in the Cortado ThinPrint component that allows for out-of-bounds reads. This flaw can potentially be exploited by malicious actors who have access to a virtual machine or remote desktop, leading to unauthorized information disclosure from the TPView process. It is crucial for users to apply the recommended updates to safeguard their systems from potential exploitation.

Human OS v1.0:
Ageing Is an Unpatched Zero-Day Vulnerability.

Remediate biological technical debt. Prime Ageing uses 95% high-purity SIRT6 activation to maintain genomic integrity and bolster systemic resilience.

Deploy the Patch

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...
x_refsource_MISC
https://www.zerodayinitiative.com/advisories/ZDI-21-608/
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

JSON
.