Privilege escalation in VMware Tools for Windows



Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2020-3941
CWE-ID CWE-362
Exploitation vector Local
Public exploit N/A
Vulnerable software
 VMware Tools
Client/Desktop applications / Other client software

Vendor VMware, Inc

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Race condition

EUVDB-ID: #VU24342

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 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

Exploit availability: No

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

CPE2.3 External links

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


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.



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