CVE-2023-39402 : Vulnerability Insights and Analysis

A parameter verification vulnerability in the installd module has been identified in Huawei products, allowing unauthorized access to sandbox files. Here's what you need to know about CVE-2023-39402.

Understanding CVE-2023-39402

This section delves into the details of the vulnerability and its implications.

What is CVE-2023-39402?

The CVE-2023-39402 is a parameter verification vulnerability in the installd module. Exploiting this flaw can lead to unauthorized read and write access to sandbox files.

The Impact of CVE-2023-39402

The impact of this vulnerability is significant as it allows threat actors to manipulate sandbox files without proper authorization.

Technical Details of CVE-2023-39402

Explore the technical aspects and affected systems related to CVE-2023-39402 in this section.

Vulnerability Description

The vulnerability lies in the installd module of Huawei's HarmonyOS and EMUI products, enabling unauthorized file access within sandboxes.

Affected Systems and Versions

HarmonyOS: Versions 3.1.0, 3.0.0, 2.1.0, 2.0.0, 2.0.1 are affected.
EMUI: Versions 13.0.0, 12.0.1, 12.0.0, 11.0.1 are affected.

Exploitation Mechanism

The exploitation of CVE-2023-39402 involves bypassing parameter verification in the installd module to read and write sandbox files.

Mitigation and Prevention

Learn about the necessary steps to mitigate and prevent the exploitation of CVE-2023-39402.

Immediate Steps to Take

Apply security updates provided by Huawei promptly.
Monitor for any unauthorized file access attempts.

Long-Term Security Practices

Implement regular security audits to identify vulnerabilities.
Enforce the principle of least privilege to limit file access.

Patching and Updates

Ensure timely installation of security patches released by Huawei to address CVE-2023-39402.