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CVE-2022-4432

Quick assessment

Affected
Lenovo ThinkPad X13s
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 ThinkPad是中国联想（Lenovo）公司的一个便携式计算机。 Lenovo ThinkPad 存在安全漏洞，该漏洞源于其PersistenceConfigDxe driver可能允许具有较高权限的本地攻击者通过缓冲区越界读取导致信息泄露。

CVSS 6.7 · Medium EPSS 0.18% · P8

Possible ATT&CK Techniques 1 AI

T1005 · Data from Local System
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I. Basic Information for CVE-2022-4432

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A buffer over-read vulnerability was reported in the ThinkPadX13s BIOS PersistenceConfigDxe driver that could allow a local attacker with elevated privileges to cause information disclosure.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
缓冲区上溢读取
Source: CVE Program / CVE List V5
Vulnerability Title
Lenovo ThinkPad 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Lenovo ThinkPad是中国联想（Lenovo）公司的一个便携式计算机。 Lenovo ThinkPad 存在安全漏洞，该漏洞源于其PersistenceConfigDxe driver可能允许具有较高权限的本地攻击者通过缓冲区越界读取导致信息泄露。
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 ThinkPad X13s Versions prior to 1.47 -

II. Public POCs for CVE-2022-4432

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III. Intelligence Information for CVE-2022-4432

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Vendor Advisories for CVE-2022-4432 (1)

Same Patch Batch · Lenovo · 2023-01-05 · 4 CVEs total

CVE-2022-4435 6.7 MEDIUM Lenovo ThinkPad 缓冲区错误漏洞
CVE-2022-4434 6.7 MEDIUM Lenovo ThinkPad 缓冲区错误漏洞
CVE-2022-4433 6.7 MEDIUM Lenovo ThinkPad 缓冲区错误漏洞

IV. Related Vulnerabilities

Same product: ThinkPad X13s
Same vendor: Lenovo
Same weakness: CWE-126

V. Comments for CVE-2022-4432

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