CVE-2021-21988

Description

VMware Workstation (16.x prior to 16.1.2) and Horizon Client for Windows (5.x prior to 5.5.2) contain out-of-bounds read vulnerability in the Cortado ThinPrint component (JPEG2000 Parser). A malicious actor with access to a virtual machine or remote desktop may be able to exploit these issues leading to information disclosure from the TPView process running on the system where Workstation or Horizon Client for Windows is installed.

References

Link	Tags
https://www.vmware.com/security/advisories/VMSA-2021-0009.html	patch vendor advisory
https://www.zerodayinitiative.com/advisories/ZDI-21-609/	vdb entry third party advisory

Frequently Asked Questions

What is the severity of CVE-2021-21988?: CVE-2021-21988 has been scored as a medium severity vulnerability.
How to fix CVE-2021-21988?: To fix CVE-2021-21988, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-21988 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2021-21988 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-21988?: CVE-2021-21988 affects n/a VMware Workstation Pro / Player (Workstation), VMware Horizon Client for Windows.

This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.

Description

Category

CWE-125 – Out-of-bounds Read

References

Frequently Asked Questions