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CVE-2022-33967

Quick assessment

Affected
DENX Software Engineering U-Boot
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.

DENX U-Boot是一套内容管理系统。 DENX U-Boot v2022.07之前版本存在安全漏洞，该漏洞源于元数据读取过程中的缺陷，U-Boot的squash文件系统包含一个基于堆的缓冲区溢出漏洞。

AI Predicted 7.8 Difficulty: Easy EPSS 0.56% · P45
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I. Basic Information for CVE-2022-33967

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
squashfs filesystem implementation of U-Boot versions from v2020.10-rc2 to v2022.07-rc5 contains a heap-based buffer overflow vulnerability due to a defect in the metadata reading process. Loading a specially crafted squashfs image may lead to a denial-of-service (DoS) condition or arbitrary code execution.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
DENX U-Boot 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
DENX U-Boot是一套内容管理系统。 DENX U-Boot v2022.07之前版本存在安全漏洞，该漏洞源于元数据读取过程中的缺陷，U-Boot的squash文件系统包含一个基于堆的缓冲区溢出漏洞。
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

Vendor Product Affected Versions CPE Subscribe
DENX Software Engineering U-Boot versions from v2020.10-rc2 to v2022.07-rc5 -

II. Public POCs for CVE-2022-33967

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III. Intelligence Information for CVE-2022-33967

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Vendor Advisories for CVE-2022-33967 (1)

Mailing List Discussions for CVE-2022-33967 (1)

Other References for CVE-2022-33967 (2)

IV. Related Vulnerabilities

Same product: U-Boot
Same vendor: DENX Software Engineering

V. Comments for CVE-2022-33967

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