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CVE-2022-34401

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 BIOS是美国戴尔（Dell）公司的一个计算机主板上小型内存芯片上的嵌入式软件。 Dell BIOS存在安全漏洞，该漏洞源于包含基于堆栈的缓冲区溢出漏洞。攻击者利用该漏洞使用SMI（串行接口）向参数发送大于规定输入长度的内容，以便在SMRAM中执行任意代码。

CVSS 7.5 · High EPSS 0.17% · P5
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I. Basic Information for CVE-2022-34401

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
栈缓冲区溢出
Source: CVE Program / CVE List V5
Vulnerability Title
Dell BIOS 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Dell BIOS是美国戴尔（Dell）公司的一个计算机主板上小型内存芯片上的嵌入式软件。 Dell BIOS存在安全漏洞，该漏洞源于包含基于堆栈的缓冲区溢出漏洞。攻击者利用该漏洞使用SMI（串行接口）向参数发送大于规定输入长度的内容，以便在SMRAM中执行任意代码。
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 1.4.3 -

II. Public POCs for CVE-2022-34401

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III. Intelligence Information for CVE-2022-34401

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Other References for CVE-2022-34401 (1)

Same Patch Batch · Dell · 2023-01-18 · 9 CVEs total

CVE-2022-32490 7.5 HIGH Dell BIOS 输入验证错误漏洞
CVE-2022-34460 7.5 HIGH Dell BIOS 输入验证错误漏洞
CVE-2022-34393 7.5 HIGH Dell BIOS 输入验证错误漏洞
CVE-2022-34457 7.3 HIGH Dell Command Configure 安全漏洞
CVE-2022-45103 6.5 MEDIUM Dell EMC Unisphere for PowerMax 信息泄露漏洞
CVE-2022-34399 5.1 MEDIUM Dell Alienware 缓冲区错误漏洞
CVE-2022-34436 2.7 LOW Dell iDRAC8 输入验证错误漏洞
CVE-2022-34435 2.7 LOW Dell iDRAC9 输入验证错误漏洞

IV. Related Vulnerabilities

Same product: CPG BIOS
Same vendor: Dell
Same weakness: CWE-121

V. Comments for CVE-2022-34401

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