#VU46758 Buffer overflow in VMware Horizon Client and VMware Workstation


Published: 2020-09-16

Vulnerability identifier: #VU46758

Vulnerability risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-3989

CWE-ID: CWE-119

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
VMware Horizon Client
Client/Desktop applications / Software for system administration
VMware Workstation
Client/Desktop applications / Virtualization software

Vendor: VMware, Inc

Description

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

The vulnerability exists due to a boundary error in Cortado ThinPrint component. A remote authenticated attacker can trigger memory corruption and cause a denial of service condition on the target system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

VMware Horizon Client: 5.0.0 - 5.4.3

VMware Workstation: 15.0.0 - 15.5.6


External links
http://www.zerodayinitiative.com/advisories/ZDI-20-1177/
http://www.vmware.com/security/advisories/VMSA-2020-0020.html


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

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


Latest bulletins with this vulnerability