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AUSCERT External Security Bulletin Redistribution
ESB-2021.3727
Intel Ethernet Advisory
10 November 2021
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AusCERT Security Bulletin Summary
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Product: Intel Ethernet controllers
Publisher: Intel
Operating System: Windows
UNIX variants (UNIX, Linux, OSX)
Impact/Access: Increased Privileges -- Existing Account
Denial of Service -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2021-0200 CVE-2021-0199 CVE-2021-0198
CVE-2021-0197
Original Bulletin:
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00554.html
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Intel ID: INTEL-SA-00554
Advisory Category: Firmware
Impact of vulnerability : Escalation of Privilege, Denial of Service
Severity rating : MEDIUM
Original release: 11/09/2021
Last revised: 11/09/2021
Summary:
Potential security vulnerabilities in firmware for some Intel Ethernet
controllers may allow denial of service or escalation of privilege. Intel is
releasing firmware updates to mitigate these potential vulnerabilities.
Vulnerability Details:
CVEID: CVE-2021-0200
Description: Out-of-bounds write in the firmware for Intel(R) Ethernet 700
Series Controllers before version 8.2 may allow a privileged user to
potentially enable an escalation of privilege 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-2021-0197
Description: Protection mechanism failure in the firmware for the Intel(R)
Ethernet Network Controller E810 before version 1.5.5.6 may allow a privileged
user to cause a 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-2021-0198
Description: Improper access control in the firmware for the Intel(R) Ethernet
Network Controller E810 before version 1.5.5.6 may allow a privileged user to
potentially enable a 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
CVEID: CVE-2021-0199
Description: Improper input validation in the firmware for the Intel(R)
Ethernet Network Controller E810 before version 1.6.0.6 may allow a privileged
user to potentially enable a denial of service via local access.
CVSS Base Score: 3.4 Low
CVSS Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:L
Affected Products:
700-series Ethernet Adapters - Firmware versions as reported by the device,
corresponding to the release are:
o Software release version 26.0 == Device reports firmware 8.2, NVM version
8.20.
810-series Ethernet Adapters - Firmware versions as reported by the device,
corresponding to the release versions in the CVEs are:
o Software release version 26.3 == Device reports firmware 1.5.5.x NVM
version 2.5.
o Software release version 26.4 == Device reports firmware 1.6.0.x, NVM
version 3.0.
Recommendations:
Intel recommends updating the above Intel Ethernet Controller firmware to the
latest versions.
Updates are available for download at this location: https://
downloadcenter.intel.com/product/36773/Ethernet-Products
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 11/09/2021 Initial Release
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