SB2021050502 - Privilege escalation in Dell dbutil Driver
Published: May 5, 2021 Updated: January 16, 2023
Security Bulletin ID
SB2021050502
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Improper access control (CVE-ID: CVE-2021-21551)
CWE-ID: CWE-284 - Improper Access Control
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:A/U:Clear
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.
Remediation
Install update from vendor's website.