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 Subscribe |
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
CVSSv3.1: 3 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:N/I:N/A:L/E:U/RL:O/RC:C]
CVE-ID: CVE-2022-22938
CWE-ID:
CWE-20 - Improper input validation
Exploit availability: No
DescriptionThe 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.
MitigationInstall updates from vendor's website.
Vulnerable software versionsVMware Workstation: 16.0 - 16.2.1
VMware Horizon Client: 5.0 - 5.5.2
External linkshttp://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.
