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AUSCERT External Security Bulletin Redistribution
ESB-2020.3094.3
Intel AMT and Intel ISMAdvisory
25 January 2021
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AusCERT Security Bulletin Summary
---------------------------------
Product: Intel Active Management Technology
Publisher: Intel
Operating System: Network Appliance
Impact/Access: Increased Privileges -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2020-8758
Original Bulletin:
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00404.html
Revision History: January 25 2021: Vendor added ICSA-20-353-01 reference
October 30 2020: Vendor released minor update
September 9 2020: Initial Release
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Intel ID: INTEL-SA-00404
Advisory Category: Firmware
Impact of vulnerability : Escalation of Privilege
Severity rating : CRITICAL
Original release: 09/08/2020
Last revised: 01/22/2021
Summary:
Potential security vulnerability in Intel Active Management Technology (AMT),
and Intel Standard Manageability (ISM) may allow escalation of privilege. Intel
is releasing firmware updates to mitigate this potential vulnerability.
Vulnerability Details:
CVEID: CVE-2020-8758
Description: Improper buffer restrictions in network subsystem in provisioned
Intel(R) AMT and Intel(R) ISM versions before 11.8.79, 11.12.79, 11.22.79,
12.0.68 and 14.0.39 may allow an unauthenticated user to potentially enable
escalation of privilege via network access. On un-provisioned systems, an
authenticated user may potentially enable escalation of privilege via local
access.
CVSS Vector (Provisioned, unauthenticated, network):
CVSS Base Score: 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS Vector (Un-provisioned, authenticated, local):
CVSS Base Score: 7.8
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected Products:
Intel AMT and Intel ISM versions before 11.8.79, 11.12.79, 11.22.79, 12.0.68
and 14.0.39.
The following CVE assigned by Intel, corresponds to a CVE disclosed on 12/18/
2020 as part of ICSA-20-353-01 :
+--------------------------------------------+--------------------------------------------+
|Disclosed in INTEL-SA-00404 |Disclosed in ICSA-20-353-01 |
+--------------------------------------------+--------------------------------------------+
|CVE-2020-8758 |CVE-2020-25066 |
+--------------------------------------------+--------------------------------------------+
Note: Firmware versions of Intel ME 3.x thru 10.x, Intel TXE 1.x thru 2.x, and
Intel Server Platform Services 1.x thru 2.X are no longer supported versions.
There is no new general release planned for these versions.
Recommendations:
Intel recommends that users of Intel AMT and Intel ISM update to the latest
version provided by the system manufacturer that addresses these issues.
Acknowledgements:
This issue was found internally by Intel employees. Intel would like to thank
Yaakov Cohen, Yocheved Butterman and Yossef Kuszer.
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 09/08/2020 Initial Release
1.1 10/29/2020 Updated affected products
1.2 01/22/2021 Added ICSA-20-353-01 reference
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