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CVE-2020-5379

Quick assessment

Affected
Dell CPG BIOS
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Dell Inspiron 7352 BIOS是戴尔（Dell）的一款系统更新驱动程序。 Dell Inspiron 7352 BIOS A12之前的版本存在UEFI BIOS引导服务覆盖漏洞，攻击者可以通过覆盖EFI_BOOT_服务结构以在系统管理模式（SMM）下执行任意代码。

CVSS 6.8 · Medium EPSS 0.40% · P31
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I. Basic Information for CVE-2020-5379

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Dell Inspiron 7352 BIOS versions prior to A12 contain a UEFI BIOS Boot Services overwrite vulnerability. A local attacker with access to system memory may exploit this vulnerability by overwriting the EFI_BOOT_SERVICES structure to execute arbitrary code in System Management Mode (SMM).
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
保护机制失效
Source: CVE Program / CVE List V5
Vulnerability Title
Dell Inspiron 7352 BIOS 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Dell Inspiron 7352 BIOS是戴尔（Dell）的一款系统更新驱动程序。 Dell Inspiron 7352 BIOS A12之前的版本存在UEFI BIOS引导服务覆盖漏洞，攻击者可以通过覆盖EFI_BOOT_服务结构以在系统管理模式（SMM）下执行任意代码。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Dell CPG BIOS unspecified ~ A12 -

II. Public POCs for CVE-2020-5379

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III. Intelligence Information for CVE-2020-5379

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Other References for CVE-2020-5379 (1)

Same Patch Batch · Dell · 2020-09-02 · 5 CVEs total

CVE-2020-5369 8.8 HIGH Dell EMC Isilon OneFS 安全漏洞
CVE-2020-5378 6.8 MEDIUM Dell G7 17 7790 BIOS 资源管理错误漏洞
CVE-2020-5376 6.8 MEDIUM Dell Inspiron 7347 BIOS 资源管理错误漏洞
CVE-2020-5386 Dell EMC ECS 安全漏洞

IV. Related Vulnerabilities

Same product: CPG BIOS
Same vendor: Dell
Same weakness: CWE-693

V. Comments for CVE-2020-5379

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