CVE-2023-45838 : Security Advisory and Response

Buildroot 2023.08.1 and dev commit 622698d7847 are affected by multiple data integrity vulnerabilities. Attackers can execute arbitrary commands via a crafted man-in-the-middle attack.

Understanding CVE-2023-45838

This CVE affects Buildroot versions 2023.08.1 and dev commit 622698d7847, introducing data integrity vulnerabilities and enabling arbitrary command execution.

What is CVE-2023-45838?

CVE-2023-45838 highlights data integrity vulnerabilities in Buildroot versions 2023.08.1 and dev commit 622698d7847, allowing a specially crafted man-in-the-middle attack to execute arbitrary commands in the builder environment.

The Impact of CVE-2023-45838

The impact of CVE-2023-45838 is significant as attackers can exploit the vulnerabilities to execute arbitrary commands through a man-in-the-middle attack, potentially leading to unauthorized access and control over affected systems.

Technical Details of CVE-2023-45838

CVE-2023-45838 is characterized by data integrity vulnerabilities affecting the package hash checking functionality of Buildroot versions 2023.08.1 and dev commit 622698d7847. The vulnerability facilitates arbitrary command execution in the builder environment. The issue is related to the

aufs

package.

Vulnerability Description

The vulnerabilities in Buildroot enable threat actors to compromise data integrity, potentially leading to arbitrary command execution via a man-in-the-middle attack.

Affected Systems and Versions

Buildroot versions 2023.08.1 and dev commit 622698d7847 are impacted by CVE-2023-45838, exposing systems that utilize these versions to the risk of data integrity compromise and arbitrary command execution.

Exploitation Mechanism

By leveraging the data integrity vulnerabilities in Buildroot, attackers can execute arbitrary commands through a specially crafted man-in-the-middle attack, exploiting the flawed package hash checking functionality.

Mitigation and Prevention

To address CVE-2023-45838, immediate actions and long-term security practices are essential.

Immediate Steps to Take

It is recommended to apply security patches promptly, monitor for any unusual system behavior, and restrict network access to critical systems to minimize the risk of exploitation.

Long-Term Security Practices

Implementing robust cybersecurity measures, such as regular security updates, network segmentation, and user awareness training, can enhance overall system security and resilience.

Patching and Updates

Ensure that Buildroot installations are kept up to date with the latest patches and security enhancements to mitigate the risk of data integrity vulnerabilities and unauthorized command execution.