cve/2023/CVE-2023-45840.md

### [CVE-2023-45840](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-45840)
![](https://img.shields.io/static/v1?label=Product&message=Buildroot&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=%3D%202023.08.1%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-494%3A%20Download%20of%20Code%20Without%20Integrity%20Check&color=brighgreen)

### 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 `riscv64-elf-toolchain` package.

### POC

#### Reference
- https://talosintelligence.com/vulnerability_reports/TALOS-2023-1844

#### Github
No PoCs found on GitHub currently.