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AUSCERT External Security Bulletin Redistribution
ESB-2022.2324
IPU - BIOS Advisory
12 May 2022
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: Intel Processors
Publisher: Intel
Operating System: Windows
UNIX variants (UNIX, Linux, OSX)
Resolution: Patch/Upgrade
CVE Names: CVE-2021-33124 CVE-2021-33123 CVE-2021-33122
CVE-2021-33103 CVE-2021-0190 CVE-2021-0189
CVE-2021-0188 CVE-2021-0159 CVE-2021-0155
CVE-2021-0154 CVE-2021-0153
Original Bulletin:
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00601.html
Comment: CVSS (Max): 8.2 CVE-2021-0154 (CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H)
CVSS Source: Intel
Calculator: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
- --------------------------BEGIN INCLUDED TEXT--------------------
Intel ID: INTEL-SA-00601
Advisory Category: Firmware
Impact of vulnerability : Escalation of Privilege
Severity rating : HIGH
Original release: 05/10/2022
Last revised: 05/10/2022
Summary:
Potential security vulnerabilities in the BIOS firmware or BIOS authenticated
code module for some Intel Processors may allow escalation of privilege or
information disclosure. Intel is releasing BIOS updates to mitigate these
potential vulnerabilities.
Vulnerability Details:
CVEID: CVE-2021-0154
Description: Improper input validation in the BIOS firmware for some Intel(R)
Processors may allow a privileged user to potentially enable an escalation of
privilege via local access.
CVSS Base Score: 8.2 High
CVSS Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
CVEID: CVE-2021-0153
Description: Out-of-bounds write in the BIOS firmware for some Intel(R)
Processors may allow a privileged user to potentially enable an escalation of
privilege via local access.
CVSS Base Score: 8.2 High
CVSS Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
CVEID: CVE-2021-33123
Description: Improper access control in the BIOS authenticated code module for
some Intel(R) Processors may allow a privileged user to potentially enable an
escalation of privilege via local access.
CVSS Base Score: 8.2 High
CVSS Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
CVEID: CVE-2021-0190
Description: Uncaught exception in the BIOS firmware for some Intel(R)
Processors may allow a privileged user to potentially enable an escalation of
privilege via local access.
CVSS Base Score: 8.2 High
CVSS Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
CVEID: CVE-2021-33122
Description: Insufficient control flow management in the BIOS firmware for some
Intel(R) Processors may allow a privileged user to potentially enable an
escalation of privilege via local access.
CVSS Base Score: 7.9 High
CVSS Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:H/A:H
CVEID: CVE-2021-0189
Description: Use of out-of-range pointer offset in the BIOS firmware for some
Intel(R) Processors may allow a privileged user to potentially enable an
escalation of privilege via local access.
CVSS Base Score: 7.5 High
CVSS Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
CVEID: CVE-2021-33124
Description: Out-of-bounds write in the BIOS authenticated code module for some
Intel(R) Processors may allow a privileged user to potentially enable an
escalation of privilege via local access.
CVSS Base Score: 7.5 High
CVSS Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
CVEID: CVE-2021-33103
Description: Unintended intermediary in the BIOS authenticated code module for
some Intel(R) Processors may allow a privileged user to potentially enable an
escalation of privilege via local access.
CVSS Base Score: 7.5 High
CVSS Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
CVEID: CVE-2021-0159
Description: Improper input validation in the BIOS authenticated code module
for some Intel(R) Processors may allow a privileged user to potentially enable
an escalation of privilege via local access.
CVSS Base Score: 7.4 High
CVSS Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:L
CVEID: CVE-2021-0188
Description: Return of pointer value outside of expected range in the BIOS
firmware for some Intel(R) Processors may allow a privileged user to
potentially enable an escalation of privilege via local access.
CVSS Base Score: 5.3 Medium
CVSS Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:N
CVEID: CVE-2021-0155
Description: Unchecked return value in the BIOS firmware for some Intel(R)
Processors may allow a privileged user to potentially enable information
disclosure via local access.
CVSS Base Score: 4.4 Medium
CVSS Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
Affected Products:
+-----------------------------------------------------------------+--------------------------+-----------+--------------+---------------------+
|Product Collection |Vertical Segment |CPU ID |Platform ID |CVE ID |
+-----------------------------------------------------------------+--------------------------+-----------+--------------+---------------------+
| | | | |CVE-2021-0159, |
|2nd Generation Intel Xeon Scalable Processors |Server |50657 |BF |CVE-2021-0189, |
| | | | |CVE-2021-33123, |
| | | | |CVE-2021-33124 |
+-----------------------------------------------------------------+--------------------------+-----------+--------------+---------------------+
|Intel Xeon Processor D Family |Server |50654 |B7 |CVE-2021-33123, |
| | | | |CVE-2021-33124 |
+-----------------------------------------------------------------+--------------------------+-----------+--------------+---------------------+
| | | | |CVE-2021-33103, |
|Rocket Lake Xeon |Server, Workstation |A0671 |02 |CVE-2021-33122, |
| | | | |CVE-2021-33123, |
| | | | |CVE-2021-33124 |
+-----------------------------------------------------------------+--------------------------+-----------+--------------+---------------------+
| | | | |CVE-2021-0159, |
|3rd Generation Intel Xeon Scalable Processor Family |Server |5065B |5065B |CVE-2021-33123, |
| | | | |CVE-2021-33124 |
+-----------------------------------------------------------------+--------------------------+-----------+--------------+---------------------+
|Intel Core Processors with Intel Hybrid Technology |Mobile |806A1 |10 | |
+-----------------------------------------------------------------+--------------------------+-----------+--------------+ |
|10th Generation Intel Core Processor Family |Mobile |706E5 |80 |CVE-2021-33122 |
+-----------------------------------------------------------------+--------------------------+-----------+--------------+ |
|Intel Pentium Silver N6000 Processor Family, Intel Celeron N4000 |Client |906C0 |01 | |
|and N5000 Processor Families | | | | |
+-----------------------------------------------------------------+--------------------------+-----------+--------------+---------------------+
| | | | |CVE-2021-33103, |
|9 ^th Generation Intel Core Processor Family |Client |A0671 |02 |CVE-2021-33122, |
| | | | |CVE-2021-33123, |
| | | | |CVE-2021-33124 |
+-----------------------------------------------------------------+--------------------------+-----------+--------------+---------------------+
| | |A0653 |01 | |
|10th Generation Intel Core Processors |Client | | | |
| | |A0655 |22 | |
+-----------------------------------------------------------------+--------------------------+-----------+--------------+ |
| | |806EC |94 | |
| | | | | |
| | |A0652 |20 |CVE-2021-33103, |
| | | | |CVE-2021-33122, |
| | |A0653 |22 |CVE-2021-33123, |
| | | | |CVE-2021-33124 |
|10th Generation Intel Core Processors |Client |A0655 |01 | |
| | | | | |
| | |A0655 |22 | |
| | | | | |
| | |A0660 |80 | |
| | | | | |
| | |A0661 |80 | |
+-----------------------------------------------------------------+--------------------------+-----------+--------------+---------------------+
| | | |D0 | |
|8th Generation Intel Core Processors |Mobile |806EB 806EC| | |
| | | |94 | |
+-----------------------------------------------------------------+--------------------------+-----------+--------------+ |
| | |906EA, | | |
| | | |02 | |
|8th Generation Intel Core Processors |Mobile Desktop |906EB, | | |
| | | |22 | |
| | |906ED | |CVE-2021-33123, |
+-----------------------------------------------------------------+--------------------------+-----------+--------------+CVE-2021-33124 |
| | |806E9, |C0 | |
| | | | | |
| | |806EA, |C0 | |
| | | | | |
|7th Generation Intel Core Processors |Client |906E9, |2A | |
| | | | | |
| | |806E9, |10 | |
| | | | | |
| | |806EC |94 | |
+-----------------------------------------------------------------+--------------------------+-----------+--------------+---------------------+
|Intel Core X-series Processors |Desktop |906E9 |2A | |
+-----------------------------------------------------------------+--------------------------+-----------+--------------+CVE-2021-33123, |
|Intel Xeon Processor W Family |Workstation |50654 |B7 |CVE-2021-33124 |
+-----------------------------------------------------------------+--------------------------+-----------+--------------+ |
|Intel Xeon Processor W Family |Workstation |50657 |BF | |
+-----------------------------------------------------------------+--------------------------+-----------+--------------+---------------------+
| |Server | | |CVE-2021-0154, |
|Intel Xeon Processor E Family | |906E, 906ED|22 |CVE-2021-0189, |
| |Workstation | | |CVE-2021-33123, |
| | | | |CVE-2021-33124 |
+-----------------------------------------------------------------+--------------------------+-----------+--------------+---------------------+
| |Server | | | |
|Intel Xeon Processor E3 v6 Family | |906E9 |2A |CVE-2021-0154, |
| |Workstation | | |CVE-2021-0188, |
+-----------------------------------------------------------------+--------------------------+-----------+--------------+CVE-2021-0189, |
| |Server | | |CVE-2021-33123, |
|Intel Xeon Processor E3 v5 Family | |506E3 |36 |CVE-2021-33124 |
| |Workstation | | | |
+-----------------------------------------------------------------+--------------------------+-----------+--------------+---------------------+
| | | | |CVE-2021-0154, |
| | | | |CVE-2021-0155, |
|Intel Xeon Processor E7 v4 Family |Workstation |406F1 |EF |CVE-2021-0189, |
| | | | |CVE-2021-33123, |
| | | | |CVE-2021-33124 |
+-----------------------------------------------------------------+--------------------------+-----------+--------------+---------------------+
|Intel Xeon Processor D Family |Server |50665 |10 |CVE-2021-0154, |
| | | | |CVE-2021-0155, |
+-----------------------------------------------------------------+--------------------------+-----------+--------------+CVE-2021-33123, |
|Intel Xeon Processor D Family |Server |50662 |10 |CVE-2021-33124 |
| | | | | |
+-----------------------------------------------------------------+--------------------------+-----------+--------------+---------------------+
| | | | |CVE-2021-0153, |
|Intel Xeon Processor E5 v4 Family | | | |CVE-2021-0154, |
| |Server |406F1 |EF |CVE-2021-0155, |
|Intel Core X-series Processors | | | |CVE-2021-0190, |
| | | | |CVE-2021-33123, |
| | | | |CVE-2021-33124 |
+-----------------------------------------------------------------+--------------------------+-----------+--------------+---------------------+
Recommendations:
Intel recommends that users of listed Intel Processors update to the latest
versions provided by the system manufacturer that addresses these issues.
Acknowledgements:
The following issues were found internally by Intel employees; CVE-2021-0153,
CVE-2021-0154, CVE-2021-0155, CVE-2021-0159, CVE-2021-0188, CVE-2021-0189,
CVE-2021-0190, CVE-2021-33103, and CVE-2021-33122. Intel would like to thank
Jorge E. Gonzalez Diaz and Nicholas Armour.
Intel would like to thank Hugo Magalhaes from Oracle (CVE-2021-33123,
CVE-2021-33124) for reporting these issues.
Intel, and nearly the entire technology industry, follows a disclosure practice
called Coordinated Disclosure, under which a cybersecurity vulnerability is
generally publicly disclosed only after mitigations are available.
Revision History
Revision Date Description
1.0 05/10/2022 Initial Release
1.1 05/11/2022 Removed incorrect CVE number
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