SB2023022350 - Dell client platform security update Intel firmware
Published: February 23, 2023
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 4 secuirty vulnerabilities.
1) Improper Initialization (CVE-ID: CVE-2022-32231)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to improper initialization in the BIOS firmware. A local user can run a specially crafted application to execute arbitrary code with escalated privileges on the system.
2) Improper Initialization (CVE-ID: CVE-2022-30704)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to improper initialization in the Intel(R) TXT SINIT ACM. A local user can run a specially crafted application to execute arbitrary code with escalated privileges on the system.
3) Improper access control (CVE-ID: CVE-2022-26343)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to improper access restrictions in the BIOS firmware. A local privileged user can execute arbitrary code with elevated privileges.
4) Improper isolation or compartmentalization (CVE-ID: CVE-2022-38090)
The vulnerability allows a local user to gain access to sensitive information.
The vulnerability exists due to improper isolation of shared resources in some Intel processors when using Intel Software Guard Extensions. A local user can gain access to sensitive information.
Remediation
Install update from vendor's website.