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文章編號: 000180741

DSA-2020-119: Dell Client Products Unauthorized BIOS Password Reset Tool Vulnerability

摘要: Dell Client Consumer and Commercial platforms contain remediation for a BIOS Password Recovery Mechanism vulnerability that could be exploited by malicious users to compromise the affected systems. ...

文章內容

影響

Medium

詳細資料

Proprietary Code CVE Description CVSS Base Score CVSS Vector String
CVE-2020-5361 Select Dell Client Commercial and Consumer platforms support a BIOS password reset capability that is designed to assist authorized customers who forget their passwords. Dell is aware of unauthorized password generation tools that can generate BIOS recovery passwords. The tools, which are not authorized by Dell, can be used by a physically present attacker to reset BIOS passwords and BIOS-managed Hard Disk Drive (HDD) passwords. An unauthenticated attacker with physical access to the system could potentially exploit this vulnerability to bypass security restrictions for BIOS Setup configuration, HDD access and BIOS pre-boot authentication. 5.1 CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:LThis hyperlink is taking you to a website outside of Dell Technologies.
Proprietary Code CVE Description CVSS Base Score CVSS Vector String
CVE-2020-5361 Select Dell Client Commercial and Consumer platforms support a BIOS password reset capability that is designed to assist authorized customers who forget their passwords. Dell is aware of unauthorized password generation tools that can generate BIOS recovery passwords. The tools, which are not authorized by Dell, can be used by a physically present attacker to reset BIOS passwords and BIOS-managed Hard Disk Drive (HDD) passwords. An unauthenticated attacker with physical access to the system could potentially exploit this vulnerability to bypass security restrictions for BIOS Setup configuration, HDD access and BIOS pre-boot authentication. 5.1 CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:LThis hyperlink is taking you to a website outside of Dell Technologies.
Dell Technologies 建議所有客戶不僅要參考 CVSS 基本分數，也要將可能會影響與特定安全漏洞相關之潛在嚴重性的所有相關暫時和環境分數納入考量。

受影響的產品與補救措施

NOTE: See Additional Info
NOTE: See Additional Info
NOTE: Customers can choose to enable the Master Password Lockout feature from BIOS Setup (available on commercial platforms – all platforms with Insyde BIOS release from March 2024 onwards and for all other platforms starting from 2011) to protect BIOS Admin, BIOS System and HDD passwords from being reset. Dell also recommends customers follow security best practices and prevent unauthorized physical access to devices
NOTE: For enabling Master Password Lockout feature from BIOS Setup for Insyde BIOS-based platforms, upgrade to the latest BIOS release from March 2024 onwards. Please refer to Dell Client Products Unauthorized BIOS Password Reset Tools for more details on how to check if your system is running on Insyde BIOS.
WARNING: If the Master Password Lockout option is selected and the customer subsequently forgets the password, Dell will not be able to assist in the recovery of passwords. The platform will be unrecoverable, and the motherboard or hard drive will need to be replaced.

More information and answers to frequently asked questions can be viewed at: Dell Client Products Unauthorized BIOS Password Reset Tools

Dell Client Consumer and Commercial Platforms Affected
This issue affects select Dell Client Commercial and Consumer systems. This includes all platforms with Insyde BIOS and any platform that displays the following identifiers on the BIOS pre-boot password prompts (Dell Security Manager) are impacted.
  • <SERVICE TAG or HDD SN>-D35B
  • <SERVICE TAG or HDD SN>-1F5A
  • <SERVICE TAG or HDD SN>-595B
  • <SERVICE TAG or HDD SN>-2A7B
  • <SERVICE TAG or HDD SN>-1D3B
  • <SERVICE TAG or HDD SN>-1F66
  • <SERVICE TAG or HDD SN>-6FF1
  • <SERVICE TAG or HDD SN>-BF97
  • <SERVICE TAG or HDD SN>-E7A8

修訂歷史記錄

RevisionDateDescription
1.02020-12-17Initial Release
2.02023-11-29Updated Additional Info Section: Dell Client and Commercial Platforms Affected
3.02024-04-02Updated Affected Products and Remediation Section: Dell Client Consumer and Commercial Platforms Affected
4.02024-04-02Updated for enhanced presentation with no changes to content
5.02024-04-02Updated for enhanced presentation with no changes to content
6.02024-04-24Updated for enhanced presentation with no changes to content

相關資訊

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

法律資訊

文章屬性

受影響的產品

Product Security Information

上次發佈日期

02 4月 2024

版本

6

文章類型

Dell Security Advisory

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