DSA-2022-169: Dell Client Precision 5820, 7820, and 7920 Tower BIOS Security Update

Resumen: Dell Client Commercial remediation is available for multiple vulnerabilities that may be exploited by malicious users to compromise the affected system.

Este artículo se aplica a Este artículo no se aplica a Este artículo no está vinculado a ningún producto específico. No se identifican todas las versiones del producto en este artículo.

Impacto

High

Detalles

Proprietary Code CVEs Description CVSS Base Score CVSS Vector String
CVE‑2022-32486 Dell BIOS contains an improper input validation vulnerability. A local authenticated malicious user may potentially exploit this vulnerability by using an SMI to gain arbitrary code execution in SMRAM.
7.5
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
CVE-2022-32492 Dell BIOS contains an improper input validation vulnerability. A local authenticated malicious user may potentially exploit this vulnerability by using an SMI to gain arbitrary code execution in SMRAM.
7.5

CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
Proprietary Code CVEs Description CVSS Base Score CVSS Vector String
CVE‑2022-32486 Dell BIOS contains an improper input validation vulnerability. A local authenticated malicious user may potentially exploit this vulnerability by using an SMI to gain arbitrary code execution in SMRAM.
7.5
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
CVE-2022-32492 Dell BIOS contains an improper input validation vulnerability. A local authenticated malicious user may potentially exploit this vulnerability by using an SMI to gain arbitrary code execution in SMRAM.
7.5

CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
Dell Technologies recomienda que todos los clientes tengan en cuenta tanto la puntuación base como cualquier otra puntuación ambiental y temporal relevante que pueda afectar la posible gravedad asociada con la vulnerabilidad de seguridad en particular.

Corrección y productos afectados

See NVD (https://nvd.nist.gov/) for individual scores for each CVE.
 
See the table below for Dell Client BIOS releases containing resolutions to these vulnerabilities. Dell Technologies recommends all customers update at the earliest opportunity.

Go to the Drivers & Downloads site for updates on the applicable products. To learn more, see Dell KB article Dell BIOS Updates, and download the update for your Dell computer.

Customers may use one of the Dell notification solutions to be notified and download driver, BIOS, and firmware updates automatically once available.
 
Product Affected Version Updated Version BIOS Release Date (MM-DD-YYYY)
Precision 5820 Tower Versions before 2.21.0 2.21.0 09-14-2022
Precision 7820 Tower Versions before 2.25.0 2.25.0 09-14-2022
Precision 7920 Tower Versions before 2.25.0 2.25.0 09-14-2022
See NVD (https://nvd.nist.gov/) for individual scores for each CVE.
 
See the table below for Dell Client BIOS releases containing resolutions to these vulnerabilities. Dell Technologies recommends all customers update at the earliest opportunity.

Go to the Drivers & Downloads site for updates on the applicable products. To learn more, see Dell KB article Dell BIOS Updates, and download the update for your Dell computer.

Customers may use one of the Dell notification solutions to be notified and download driver, BIOS, and firmware updates automatically once available.
 
Product Affected Version Updated Version BIOS Release Date (MM-DD-YYYY)
Precision 5820 Tower Versions before 2.21.0 2.21.0 09-14-2022
Precision 7820 Tower Versions before 2.25.0 2.25.0 09-14-2022
Precision 7920 Tower Versions before 2.25.0 2.25.0 09-14-2022

Historial de revisiones

RevisionDateDescription
1.02022-09-22Initial Release

Reconocimientos

Dell Technologies would like to thank yngweijw for reporting CVE‑2022-32486 and CVE-2022-32492.

Información relacionada

Productos afectados

Precision 5820 Tower, Precision 7820 Tower, Precision 7920 Tower, Product Security Information
Propiedades del artículo
Número del artículo: 000202772
Tipo de artículo: Dell Security Advisory
Última modificación: 22 sept 2022
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