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CVE-2022-32492: DSA-2022-169: Dell Client Precision 5820, 7820, and 7920 Tower BIOS Security Update

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.

CVE
#vulnerability#ios#bios#auth#dell

Vaikutus

High

Tiedot

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

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Tuotteet, joihin asia vaikuttaa ja tilanteen korjaaminen

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

Kiitokset

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

Versiohistoria

Revision

Date

Description

1.0

2022-09-22

Initial Release

Asiaan liittyvät tiedot

Dell Security Advisories and Notices
Dell Vulnerability Response Policy
CVSS Scoring Guide

Precision 5820 Tower, Precision 7820 Tower, Precision 7920 Tower, Product Security Information

22 syysk. 2022

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