CVE-2023-45840 - Vulnerability Details - OpenCVE

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 `riscv64-elf-toolchain` package.

No CVSS v4.0

Attack Vector Network

Attack Complexity High

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00089.

Key SSVC decision points have not yet been added.

Vendors	Products
Buildroot Subscribe	Buildroot Subscribe

Configuration 1 [-]

cpe:2.3:a:buildroot:buildroot:2023.08.1:*:*:*:*:*:*:*

No data.

No data.

Advisories

Source	ID	Title
EUVD	EUVD-2023-50110	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 `riscv64-elf-toolchain` package.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
http://www.openwall.com/lists/oss-security/2023/12/11/1
https://talosintelligence.com/vulnerability_reports/TALOS-2023-1844
https://www.talosintelligence.com/vulnerability_reports/TALOS-2023-1844

History

Tue, 04 Nov 2025 20:30:00 +0000

Type	Values Removed	Values Added
References		https://www.talosintelligence.com/vulnerability_reports/TALOS-2023-1844

Projects

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MITRE

Status: PUBLISHED

Assigner: talos

Published: 2023-12-05T11:30:10.883Z

Updated: 2025-11-04T19:25:28.325Z

Reserved: 2023-10-13T15:53:40.298Z

Link: CVE-2023-45840

Vulnrichment

No data.

NVD

Status : Modified

Published: 2023-12-05T12:15:43.580

Modified: 2025-11-04T20:17:08.803

Link: CVE-2023-45840

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-494

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