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CVE-2023-45838

Quick assessment

Affected
Buildroot Buildroot
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.

Buildroot是Buildroot开源的一组 Makefile 和 Patch 文件。用来简化和自动化为嵌入式系统建造一个完整和可引导的 Linux 环境的过程。 Buildroot 2023.08.1版本和dev commit 622698d7847版本存在安全漏洞，该漏洞源于hash checking功能存在数据完整性漏洞。攻击者可利用漏洞执行任意命令。

CVSS 8.1 · High EPSS 0.82% · P54
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I. Basic Information for CVE-2023-45838

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Multiple data integrity vulnerabilities exist in the package hash checking functionality of Buildroot 2023.08.1 and Buildroot dev commit 622698d7847. A specially crafted man-in-the-middle attack can lead to arbitrary command execution in the builder.This vulnerability is related to the `aufs` package.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
下载代码缺少完整性检查
Source: CVE Program / CVE List V5
Vulnerability Title
Buildroot 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Buildroot是Buildroot开源的一组 Makefile 和 Patch 文件。用来简化和自动化为嵌入式系统建造一个完整和可引导的 Linux 环境的过程。 Buildroot 2023.08.1版本和dev commit 622698d7847版本存在安全漏洞，该漏洞源于hash checking功能存在数据完整性漏洞。攻击者可利用漏洞执行任意命令。
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
Buildroot Buildroot 2023.08.1 -

II. Public POCs for CVE-2023-45838

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III. Intelligence Information for CVE-2023-45838

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Mailing List Discussions for CVE-2023-45838 (1)

Other References for CVE-2023-45838 (1)

Same Patch Batch · Buildroot · 2023-12-05 · 6 CVEs total

CVE-2023-43608 8.1 HIGH Buildroot 安全漏洞
CVE-2023-45839 8.1 HIGH Buildroot 安全漏洞
CVE-2023-45840 8.1 HIGH Buildroot 安全漏洞
CVE-2023-45841 8.1 HIGH Buildroot 安全漏洞
CVE-2023-45842 8.1 HIGH Buildroot 安全漏洞

IV. Related Vulnerabilities

Same product: Buildroot
Same vendor: Buildroot
Same weakness: CWE-494

V. Comments for CVE-2023-45838

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