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CVE-2020-5348

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 Latitude 7202 Rugged Tablet BIOS是美国戴尔（Dell）公司的一款用于Dell Latitude 7202平板电脑的基本输入输出系统（BIOS）。 Dell Latitude 7202 Rugged Tablet BIOS A28之前版本中系统管理模式下的EFI_BOOT_SERVICES存在资源管理错误漏洞。本地攻击者可通过覆盖EFI_BOOT_SERVICES结构利用该漏洞在系统管理模式下执行任意代码。

CVSS 6.8 · Medium EPSS 0.38% · P31
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I. Basic Information for CVE-2020-5348

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Dell Latitude 7202 Rugged Tablet BIOS versions prior to A28 contain a UAF vulnerability in EFI_BOOT_SERVICES in system management mode. A local unauthenticated attacker may exploit this vulnerability by overwriting the EFI_BOOT_SERVICES structure to execute arbitrary code in system management mode.
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
释放后使用
Source: CVE Program / CVE List V5
Vulnerability Title
Dell Latitude 7202 Rugged Tablet BIOS 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Dell Latitude 7202 Rugged Tablet BIOS是美国戴尔（Dell）公司的一款用于Dell Latitude 7202平板电脑的基本输入输出系统（BIOS）。 Dell Latitude 7202 Rugged Tablet BIOS A28之前版本中系统管理模式下的EFI_BOOT_SERVICES存在资源管理错误漏洞。本地攻击者可通过覆盖EFI_BOOT_SERVICES结构利用该漏洞在系统管理模式下执行任意代码。
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 ~ A28 -

II. Public POCs for CVE-2020-5348

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III. Intelligence Information for CVE-2020-5348

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Other References for CVE-2020-5348 (1)

IV. Related Vulnerabilities

Same product: CPG BIOS
Same vendor: Dell
Same weakness: CWE-416

V. Comments for CVE-2020-5348

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