SB2021021007 - Multiple vulnerabilities in Intel Ethernet I210 Controller

Description

This security bulletin contains information about 4 secuirty vulnerabilities.

1) Improper Initialization (CVE-ID: CVE-2020-0522)

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to improper initialization in the firmware for the Intel(R) Ethernet I210 Controller series of network adapters. A local user can run a specially crafted application to crash the system.

2) Improper access control (CVE-ID: CVE-2020-0523)

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to improper access restrictions in the firmware for the Intel(R) Ethernet I210 Controller series of network adapters. A local privileged user can bypass implemented security restrictions and perform a denial of service (DoS) attack.

3) Incorrect default permissions (CVE-ID: CVE-2020-0524)

The vulnerability allows a local user to perform a denial of service attack.

The vulnerability exists due to incorrect default permissions in the firmware for the Intel(R) Ethernet I210 Controller series of network adapters. A local user can perform a denial of service attack.

4) Improper access control (CVE-ID: CVE-2020-0525)

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to improper access restrictions in the firmware for the Intel(R) Ethernet I210 Controller series of network adapters. A local user can bypass implemented security restrictions and perform a denial of service (DoS) attack.

Remediation

Install update from vendor's website.

References

• https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00318.html