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             AUSCERT External Security Bulletin Redistribution

                               ESB-2020.3094
                      Intel AMT and Intel ISMAdvisory
                             9 September 2020

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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

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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:             09/08/2020

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.

Note: Firmware versions of Intel AMT 3.x thru 10.x are no longer supported,
thus were not assessed for the vulnerabilities/CVEs listed in this Advisory.
There is no new 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

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