SB2022112256 - Multiple vulnerabilities in Dell Precision 7920 Rack

Security Bulletin ID SB2022112256

CSH Severity

Low

Patch available

YES

Number of vulnerabilities 2

Exploitation vector Local access

Highest impact Denial of service

Breakdown by Severity

Low
Medium
High
Critical

Description

This security bulletin contains information about 2 vulnerabilities.

1) Improper access control (CVE-ID: CVE-2021-33126)

CWE-ID: CWE-284 - Improper Access Control

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear

The vulnerability allows a local user to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions in the firmware. A local administrator can bypass implemented security restrictions and perform a denial of service (DoS) attack.

2) Improper access control (CVE-ID: CVE-2021-33128)

CWE-ID: CWE-284 - Improper Access Control

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear

The vulnerability allows a local user to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions in the firmware. A local administrator can bypass implemented security restrictions and perform a denial of service (DoS) attack.

Remediation

Install update from vendor's website.

References

https://www.dell.com/support/kbdoc/nl-nl/000205568/dsa-2022-318-dell-client-security-update-for-intel-ethernet-controllers-and-adapters-vulnerabilities