CVE-2022-34393
Quick assessment
Affected
Dell 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，该漏洞源于输入验证不正确。攻击者利用该漏洞使用SMI（串行接口）在SMRAM中执行任意代码。
Possible ATT&CK Techniques 2 AI
T1621 · Multi-Factor Authentication Request Generation T1055.008 · Ptrace System Calls
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I. Basic Information for CVE-2022-34393
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
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.
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
输入验证不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Dell BIOS 输入验证错误漏洞
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，该漏洞源于输入验证不正确。攻击者利用该漏洞使用SMI（串行接口）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
II. Public POCs for CVE-2022-34393
| # | POC Description | Source Link | Shenlong Link |
|---|
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Other References for CVE-2022-34393 (1)
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https://www.dell.com/support/kbdoc/000204686 vendor-advisory
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-2022-34401 | 7.5 HIGH | Dell BIOS 缓冲区错误漏洞 |
| CVE-2022-34460 | 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
V. Comments for CVE-2022-34393
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