CVE-2023-42741 Explained : Impact and Mitigation

This article delves into the details of CVE-2023-42741, a vulnerability identified in Unisoc products, leading to local information disclosure.

Understanding CVE-2023-42741

This section aims to provide insights into the nature of the CVE-2023-42741 vulnerability.

What is CVE-2023-42741?

CVE-2023-42741 involves a potential risk in telecom services where an app can write permission usage records without proper permission checks, potentially resulting in local information disclosure.

The Impact of CVE-2023-42741

The vulnerability could allow unauthorized access to sensitive information without requiring additional execution privileges, posing a threat to user data privacy and security.

Technical Details of CVE-2023-42741

In this section, we will explore the technical aspects of CVE-2023-42741.

Vulnerability Description

The vulnerability arises from a missing permission check, enabling apps to manipulate permission usage records and potentially expose sensitive data to unauthorized entities.

Affected Systems and Versions

Unisoc products including SC7731E, SC9832E, SC9863A, T310, T606, T612, T616, T610, T618, T760, T770, T820, and S8000 running Android 11, Android 12, and Android 13 are susceptible to this vulnerability.

Exploitation Mechanism

Exploiting CVE-2023-42741 involves bypassing permission validation mechanisms to write usage records, leading to unauthorized access and potential data leakage.

Mitigation and Prevention

The following steps can help mitigate and prevent the risks associated with CVE-2023-42741.

Immediate Steps to Take

Implement security patches provided by Unisoc promptly to address the vulnerability in affected products.
Monitor app permissions and restrict unnecessary usage to minimize the impact of unauthorized data access.

Long-Term Security Practices

Regularly update software and firmware to ensure the latest security enhancements are implemented.
Conduct security audits and assessments to identify and address vulnerabilities proactively.

Patching and Updates

Stay informed about security bulletins and advisories from Unisoc to apply relevant patches and updates to protect your devices from CVE-2023-42741.