Local denial of service in VMware ESXi



Published: 2022-10-07
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2022-31681
CWE-ID CWE-476
Exploitation vector Local
Public exploit N/A
Vulnerable software
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VMware ESXi
Operating systems & Components / Operating system

Vendor VMware, Inc

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) NULL pointer dereference

EUVDB-ID: #VU67979

Risk: Low

CVSSv3.1: 5.7 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-31681

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. A local user with privileges within the VMX process only can perform a denial of service (DoS) attack against the host.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

VMware ESXi: ESXi70U1b-17168206 - ESXi670-20211104001

External links

http://www.vmware.com/security/advisories/VMSA-2022-0025.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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