SB2023022133 - Multiple vulnerabilities in Intel BIOS firmware for Intel processors 

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Main Vulnerability Database SB2023022133

SB2023022133 - Multiple vulnerabilities in Intel BIOS firmware for Intel processors

Published: February 21, 2023

Security Bulletin ID SB2023022133
Severity
Low
Patch available
YES
Number of vulnerabilities 6
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 6 secuirty vulnerabilities.


1) 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.


2) Use-after-free (CVE-ID: CVE-2022-30539)

The vulnerability local user to escalate privileges on the system.

The vulnerability exists due to a use-after-free error in the BIOS firmware. A local user can execute arbitrary code with elevated privileges.


3) 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.


4) Input validation error (CVE-ID: CVE-2022-26837)

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

The vulnerability exists due to insufficient validation of user-supplied input in the BIOS firmware. A local user can execute arbitrary code with elevated privileges.


5) 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.


6) Improper access control (CVE-ID: CVE-2021-0187)

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 user can execute arbitrary code with elevated privileges.


Remediation

Install update from vendor's website.

References