Privilege escalation in Dell dbutil Driver



Published: 2021-05-05 | Updated: 2022-06-26
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2021-21551
CWE-ID CWE-284
Exploitation vector Local
Public exploit Vulnerability #1 is being exploited in the wild.
Vulnerable software
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DBUtil
Hardware solutions / Drivers

Vendor Dell

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Improper access control

EUVDB-ID: #VU52877

Risk: Low

CVSSv3.1:

CVE-ID: CVE-2021-21551

CWE-ID: CWE-284 - Improper Access Control

Exploit availability: Yes

Description

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

The vulnerability exists due to improper access restrictions within the Dell dbutil driver dbutil_2_3.sys. A local user can run a specially crafted program to execute arbitrary code on the system with elevated privileges.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

DBUtil: 2.3


CPE2.3 External links

http://www.dell.com/support/kbdoc/en-us/000186019/dsa-2021-088-dell-client-platform-security-update-for-dell-driver-insufficient-access-control-vulnerability

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?



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