CVE-2022-26860
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，该漏洞源于包含一个基于堆栈的缓冲区溢出漏洞，本地攻击者可以通过SMI发送恶意输入来绕过安全检查从而在SMM中执行任意代码来利用此漏洞。
Possible ATT&CK Techniques 3 AI
T1055 · Process Injection T1068 · Exploitation for Privilege Escalation T1211 · Exploitation for Stealth
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I. Basic Information for CVE-2022-26860
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Dell BIOS versions contain a stack-based buffer overflow vulnerability. A local attacker could exploit this vulnerability by sending malicious input via SMI to bypass security checks resulting in arbitrary code execution in SMM.
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，该漏洞源于包含一个基于堆栈的缓冲区溢出漏洞，本地攻击者可以通过SMI发送恶意输入来绕过安全检查从而在SMM中执行任意代码来利用此漏洞。
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-2022-26860
| # | POC Description | Source Link | Shenlong Link |
|---|
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Other References for CVE-2022-26860 (1)
-
https://www.dell.com/support/kbdoc/000202194 x_refsource_MISC
Same Patch Batch · Dell · 2022-09-06 · 4 CVEs total
| CVE-2022-26861 | 7.9 HIGH | Dell BIOS 安全漏洞 |
| CVE-2022-26858 | 6.1 MEDIUM | Dell BIOS 授权问题漏洞 |
| CVE-2022-26859 | 6.1 MEDIUM | Dell BIOS 安全漏洞 |
IV. Related Vulnerabilities
V. Comments for CVE-2022-26860
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