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AUSCERT External Security Bulletin Redistribution
ESB-2021.0475
Intel Ethernet I210 Controller Advisory
10 February 2021
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AusCERT Security Bulletin Summary
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Product: Intel Ethernet I210 Controller
Publisher: Intel
Operating System: Windows
UNIX variants (UNIX, Linux, OSX)
Impact/Access: Denial of Service -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2020-0525 CVE-2020-0524 CVE-2020-0523
CVE-2020-0522
Original Bulletin:
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00318.html
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Intel ID: INTEL-SA-00318
Advisory Category: Firmware
Impact of vulnerability : Denial of Service
Severity rating : MEDIUM
Original release: 02/09/2021
Last revised: 02/09/2021
Summary:
Potential security vulnerabilities in the Intel Ethernet I210 Controller series
of network adapters may allow denial of service. Intel is releasing firmware
updates to mitigate these potential vulnerabilities.
Vulnerability Details:
CVEID: CVE-2020-0522
Description: Improper initialization in the firmware for the Intel(R) Ethernet
I210 Controller series of network adapters before version 3.30 may allow a
privileged user to potentially enable 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-2020-0523
Description: Improper access control in the firmware for the Intel(R) Ethernet
I210 Controller series of network adapters before version 3.30 may potentially
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-2020-0524
Description: Improper default permissions in the firmware for the Intel(R)
Ethernet I210 Controller series of network adapters before version 3.30 may
allow an authenticated user to potentially enable denial of service via local
access.
CVSS Base Score 5.2 Medium
CVSS Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:L
CVEID: CVE-2020-0525
Description: Improper access control in firmware for the Intel(R) Ethernet I210
Controller series of network adapters before version 3.30 may allow a
privileged user to potentially enable denial of service via local access.
CVSS Base Score: 3.8 Low
CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:L
Affected Products:
Intel Ethernet I210 Controller series of network adapters before firmware
version 3.30.
Recommendations:
Intel recommends updating the Intel Ethernet I210 Controller series of network
adapters to firmware version 3.30 or later.
Updates are available for download at this location:
https://downloadcenter.intel.com/product/64399/
Intel-Ethernet-Controller-I210-Series
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 02/09/2021 Initial Release
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