CVE-2021-21988: 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 malici...

Summary

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 leadin...

What to do

Update vmware workstation to version 16.1.2 or later.
Update vmware horizon_client to version 5.5.2 or later.

Affected software

Vendor	Product	Affected versions
vmware	workstation	>= 16.0.0, < 16.1.2 `cpe:2.3:a:vmware:workstation::::::::`
vmware	horizon_client	>= 5.0.0, < 5.5.2 `cpe:2.3:a:vmware:horizon_client::::::::`

Original advisory text

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 malici...

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

https://www.vmware.com/security/advisories/VMSA-2021-0009.html Patch Vendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-21-609/ Third Party Advisory VDB Entry