CVE-2021-0199: INTEL-SA-00554

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Intel® Ethernet Advisory

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® 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® 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® 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® 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:

• 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:

• Software release version 26.3 == Device reports firmware 1.5.5.x NVM version 2.5.
• 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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