#VU53433 Out-of-bounds read in VMware Workstation and VMware Horizon Client - CVE-2021-21989

 

#VU53433 Out-of-bounds read in VMware Workstation and VMware Horizon Client - CVE-2021-21989

Published: May 24, 2021 / Updated: May 26, 2021


Vulnerability identifier: #VU53433
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2021-21989
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
VMware Workstation
VMware Horizon Client
Software vendor:
VMware, Inc

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition in the Cortado ThinPrint component within the TTC parser. A remote attacker can trigger an out-of-bounds read error with a specially crafted font file and read contents of memory on the system.


Remediation

Install updates from vendor's website.

External links