#VU24342 Race condition in VMware Tools - CVE-2020-3941

Vulnerability identifier: #VU24342

Vulnerability risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2020-3941

CWE-ID: CWE-362

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
VMware Tools
Client/Desktop applications / Other client software

Vendor: VMware, Inc

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a race condition in the repair operation of VMware Tools for Windows. A local user can exploit the race and gain unauthorized access to sensitive information and escalate privileges on the Windows VM.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

VMware Tools: 10.0.0 - 10.3.21

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External links
https://www.vmware.com/security/advisories/VMSA-2020-0002.html

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

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