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CVE-2023-43572

Quick assessment

Affected
Lenovo Desktop 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.

Lenovo Desktops（联想台式机）是中国联想（Lenovo）公司的台式电脑。 Lenovo Desktop 存在安全漏洞，该漏洞源于 BiosExtensionLoader 模块存在缓冲区过度读取。

CVSS 4.4 · Medium EPSS 0.21% · P12

Possible ATT&CK Techniques 1 AI

T1005 · Data from Local System
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I. Basic Information for CVE-2023-43572

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A buffer over-read was reported in the BiosExtensionLoader module in some Lenovo Desktop products that may allow a local attacker with elevated privileges to disclose sensitive information.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
缓冲区上溢读取
Source: CVE Program / CVE List V5
Vulnerability Title
Lenovo Desktops 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Lenovo Desktops（联想台式机）是中国联想（Lenovo）公司的台式电脑。 Lenovo Desktop 存在安全漏洞，该漏洞源于 BiosExtensionLoader 模块存在缓冲区过度读取。
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
Lenovo Desktop BIOS various -

II. Public POCs for CVE-2023-43572

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III. Intelligence Information for CVE-2023-43572

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Vendor Advisories for CVE-2023-43572 (1)

Same Patch Batch · Lenovo · 2023-11-08 · 26 CVEs total

CVE-2023-4632 7.8 HIGH Lenovo System Update 代码问题漏洞
CVE-2023-5079 7.5 HIGH Lenovo LeCloud 输入验证错误漏洞
CVE-2023-4706 7.3 HIGH Lenovo PC 安全漏洞
CVE-2023-43579 6.7 MEDIUM Lenovo Desktops 安全漏洞
CVE-2023-5075 6.7 MEDIUM Lenovo Bios 安全漏洞
CVE-2023-5078 6.7 MEDIUM Lenovo ThinkPad BIOS 安全漏洞
CVE-2023-43567 6.7 MEDIUM Lenovo Desktops 安全漏洞
CVE-2023-43569 6.7 MEDIUM Lenovo Desktops 安全漏洞
CVE-2023-43570 6.7 MEDIUM Lenovo Bios 输入验证错误漏洞
CVE-2023-43571 6.7 MEDIUM Lenovo Desktops 安全漏洞
CVE-2023-43578 6.7 MEDIUM Lenovo Desktops 安全漏洞
CVE-2023-43577 6.7 MEDIUM Lenovo Desktops 安全漏洞
CVE-2023-43580 6.7 MEDIUM Lenovo Desktops 安全漏洞
CVE-2023-43581 6.7 MEDIUM Lenovo Desktops 安全漏洞
CVE-2023-45075 6.7 MEDIUM Lenovo Bios 缓冲区错误漏洞
CVE-2023-45076 6.7 MEDIUM Lenovo Bios 缓冲区错误漏洞
CVE-2023-45077 6.7 MEDIUM Lenovo Bios 缓冲区错误漏洞
CVE-2023-45078 6.7 MEDIUM Lenovo Bios 缓冲区错误漏洞
CVE-2023-45079 6.7 MEDIUM Lenovo Bios 缓冲区错误漏洞
CVE-2023-43573 6.7 MEDIUM Lenovo Desktops 安全漏洞

Showing top 20 of 26 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Desktop BIOS
Same vendor: Lenovo
Same weakness: CWE-126

V. Comments for CVE-2023-43572

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