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文章编号: 000193321

DSA-2021-240: Dell Client Platform Update for Multiple Vulnerabilities

摘要: Dell Client Consumer and Commercial platform remediation is available for these vulnerabilities that may exploited by malicious users to compromise the affected systems.

文章内容

影响

High

详情

Proprietary Code CVEs Description CVSS Base Score CVSS Vector String
CVE-2021-36342 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-2021-36343 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

See the table below for Dell Client BIOS releases containing a resolution to this vulnerability. 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 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 CVEs Description CVSS Base Score CVSS Vector String
CVE-2021-36342 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-2021-36343 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

See the table below for Dell Client BIOS releases containing a resolution to this vulnerability. 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 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 建议所有客户考虑 CVSS 基本分数以及任何相关的时间和环境分数，这可能会影响与特定安全漏洞相关的潜在严重程度。

确认

Dell would like to thank Assaf Carlsbad and Itai Liba from SentinelOne for reporting CVE-2021-36342 and JiaWei Yin (yngweijw) for reporting CVE-2021-36343

相关信息

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

法律信息

文章属性

受影响的产品

Product Security Information

上次发布日期

12 1月 2022

版本

1

文章类型

Dell Security Advisory

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