DSA-2022-291: Dell Client Security Update for Dell Client BIOS
Resumen:Dell Client Consumer platform remediation is available for this vulnerability that may be exploited by malicious users to compromise the affected systems.
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Dell BIOS contains a stack-based buffer overflow vulnerability. A local authenticated malicious user may potentially exploit this vulnerability by using an SMI to send larger than expected input to a parameter in order 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
See the table below for Dell Client BIOS releases containing resolutions to these vulnerabilities. Dell recommends all customers update at the earliest opportunity.
Go to the Drivers and Downloads site for updates on the applicable products. To learn more, see Dell KB article 124211: 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.
Proprietary Code CVE
Description
CVSS Base Score
CVSS Vector String
CVE-2022-34401
Dell BIOS contains a stack-based buffer overflow vulnerability. A local authenticated malicious user may potentially exploit this vulnerability by using an SMI to send larger than expected input to a parameter in order 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
See the table below for Dell Client BIOS releases containing resolutions to these vulnerabilities. Dell recommends all customers update at the earliest opportunity.
Go to the Drivers and Downloads site for updates on the applicable products. To learn more, see Dell KB article 124211: 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.
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
Product
BIOS Update Version
BIOS Release Date (MM/DD/YYYY)
Alienware m15 A6
1.4.3
09/29/2022
Alienware m17 Ryzen Edition R5
1.4.3
09/29/2022
Dell G15 5525
1.4.3
09/29/2022
Product
BIOS Update Version
BIOS Release Date (MM/DD/YYYY)
Alienware m15 A6
1.4.3
09/29/2022
Alienware m17 Ryzen Edition R5
1.4.3
09/29/2022
Dell G15 5525
1.4.3
09/29/2022
Historial de revisiones
Revision
Date
Description
1.0
2022/10/27
Initial Release
Reconocimientos
Dell Technologies would like to thank Cederic Laumen (@ling_sec) for reporting CVE-2022-34401.