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AUSCERT External Security Bulletin Redistribution
ESB-2021.2019
Intel Server Boards, Server Systems and Compute Modules Advisory
9 June 2021
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AusCERT Security Bulletin Summary
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Product: Intel Server Boards
Intel Server Systems
Intel Compute Modules Baseboard Management Controller (BMC)
Publisher: Intel
Operating System: Windows
Impact/Access: Increased Privileges -- Existing Account
Denial of Service -- Existing Account
Reduced Security -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2020-24475 CVE-2020-24474 CVE-2020-24473
Original Bulletin:
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00476.html
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Intel ID: INTEL-SA-00476
Advisory Category: Firmware
Impact of vulnerability : Escalation of Privilege, Denial of Service
Severity rating : MEDIUM
Original release: 06/08/2021
Last revised: 06/08/2021
Summary:
Potential security vulnerabilities in some Intel Server Boards, Server Systems,
and Compute Modules Baseboard Management Controller (BMC) firmware may allow
escalation of privilege or denial of service. Intel is releasing firmware
updates to mitigate these potential vulnerabilities.
Vulnerability Details:
CVEID: CVE-2020-24474
Description: Buffer overflow in the BMC firmware for some Intel(R) Server
Boards, Server Systems and Compute Modules before version 2.48.ce3e3bd2 may
allow an authenticated user to potentially enable escalation of privilege via
adjacent access.
CVSS Base Score: 4.4 Medium
CVSS Vector: CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:C/C:N/I:L/A:L
CVEID: CVE-2020-24473
Description: Out of bounds write in the BMC firmware for some Intel(R) Server
Boards, Server Systems and Compute Modules before version 2.48.ce3e3bd2 may
allow an authenticated user to potentially enable escalation of privilege via
local access.
CVSS Base Score: 4.2 Medium
CVSS Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:L/A:L
CVEID: CVE-2020-24475
Description: Improper initialization in the BMC firmware for some Intel(R)
Server Boards, Server Systems and Compute Modules before version 2.48.ce3e3bd2
may allow an authenticated user to potentially enable denial of service via
local access.
CVSS Base Score: 3.9 Low
CVSS Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:L
Affected Products:
. Intel Server System R1000WF and R2000WF Families
. Intel Server Board S2600WF Family
. Intel Server Board S2600ST Family
. Intel Compute Module HNS2600BP Family
. Intel Server Board S2600BP Family
Recommendations:
Intel recommends updating the BMC firmware for the affected Intel Server
Boards, Server Systems, and Compute Modules to the version 2.48.ce3e3bd2 or
later.
Updates are available for download at this location: https://
downloadcenter.intel.com/
Acknowledgements:
These issues were found internally by Intel employees.
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 06/08/2021 Initial Release
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