Denial of service in VMware products



Published: 2020-12-21
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2020-3999
CWE-ID CWE-476
Exploitation vector Local
Public exploit N/A
Vulnerable software
Subscribe 		VMware ESXi
Operating systems & Components / Operating system

VMware Workstation
Client/Desktop applications / Virtualization software

VMware Fusion
Client/Desktop applications / Virtualization software

Vendor VMware, Inc

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) NULL pointer dereference

EUVDB-ID: #VU49098

Risk: Low

CVSSv3.1: 2.9 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-3999

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error in the SetGuestInfo call. A local user can pass specially crafted data to the application and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

VMware ESXi: 7.0 - ESXi70U1b-17168206

VMware Workstation: 15.0.0 - 15.5.6

VMware Fusion: 11.0.0 - 11.5.6

External links

http://www.vmware.com/security/advisories/VMSA-2020-0029.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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