Denial of service in VMware Workstation and Horizon Client



Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2022-22938
CWE-ID CWE-20
Exploitation vector Network
Public exploit N/A
Vulnerable software
 VMware Workstation
Client/Desktop applications / Virtualization software

VMware Horizon Client
Client/Desktop applications / Software for system administration

Vendor VMware, Inc

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Input validation error

EUVDB-ID: #VU59690

Risk: Low

CVSSv4.0: 0.2 [CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-22938

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input in the Cortado ThinPrint component when parsing TrueType fonts. A remote attacker can trick the victim to print a specially crafted document from the guest OS and perform a denial of service (DoS) attack of the Thinprint service running on the host machine.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

VMware Workstation: 16.0 - 16.2.1

VMware Horizon Client: 5.0 - 5.5.2

CPE2.3 External links

https://www.vmware.com/security/advisories/VMSA-2022-0002.html


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to trick the victim to open a a specially crafted file.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



###SIDEBAR###