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AUSCERT External Security Bulletin Redistribution
ESB-2020.3978
Intel Ethernet 700 Series Controller Advisory
11 November 2020
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AusCERT Security Bulletin Summary
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Product: Intel Ethernet 700 Series Controller
Publisher: Intel
Operating System: Network Appliance
Impact/Access: Increased Privileges -- Existing Account
Denial of Service -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2020-8693 CVE-2020-8692 CVE-2020-8691
CVE-2020-8690
Original Bulletin:
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00380.html
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Intel ID: INTEL-SA-00380
Advisory Category: Firmware
Impact of vulnerability : Escalation of Privilege, Denial of Service
Severity rating : MEDIUM
Original release: 11/10/2020
Last revised: 11/10/2020
Summary:
Potential security vulnerabilities in Intel Ethernet 700 Series Controllers may
allow escalation of privilege and/or denial of service. Intel is releasing
firmware updates to mitigate these potential vulnerabilities.
Vulnerability Details:
CVEID: CVE-2020-8693
Description: Improper buffer restrictions in the firmware of the Intel(R)
Ethernet 700 Series Controllers may allow a privileged user to potentially
enable escalation of privilege and/or denial of service via local access.
CVSS Base Score: 6.7 Medium
CVSS Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:L/A:H
CVEID: CVE-2020-8692
Description: Insufficient access control in the firmware of the Intel(R)
Ethernet 700 Series Controllers before version 7.3 may allow a privileged user
to potentially enable escalation of privilege and/or denial of service via
local access.
CVSS Base Score: 6.0 Medium
CVSS Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H
CVEID: CVE-2020-8690
Description: Protection mechanism failure in Intel(R) Ethernet 700 Series
Controllers before version 7.3 may allow a privileged user to potentially
enable escalation of privilege and/or denial of service via local access.
CVSS Base Score: 5.1 Medium
CVSS Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:H
CVEID: CVE-2020-8691
Description: A logic issue in the firmware of the Intel(R) Ethernet 700 Series
Controllers may allow a privileged user to potentially enable escalation of
privilege and/or denial of service via local access.
CVSS Base Score: 4.7 Medium
CVSS Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:L/A:H
Affected Products:
Intel Ethernet 700 Series Controllers before version 7.3.
Recommendations:
Intel recommends updating Intel Ethernet 700 Series Controllers to version 7.3
or later.
Updates are available for download at this location:
https://downloadcenter.intel.com/download/25790/
Non-Volatile-Memory-NVM-Update-Utility-for-Intel-Ethernet-Adapters-700-Series-Windows-?
product=36773
Acknowledgements:
These issues were found internally by Intel.
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 11/10/2020 Initial Release
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