Learn about CVE-2023-42702, a vulnerability in Unisoc products allowing local information disclosure. Understand affected systems and versions, exploitation mechanism, and mitigation steps.
This article provides an in-depth overview of CVE-2023-42702, a vulnerability identified in Unisoc products.
Understanding CVE-2023-42702
In this section, we delve into the specifics of CVE-2023-42702 to understand its implications.
What is CVE-2023-42702?
The vulnerability lies in the firewall service of Unisoc products, where a missing permission check allows the writing of permission usage records of an app. Exploiting this flaw could result in local information disclosure without requiring additional execution privileges.
The Impact of CVE-2023-42702
The impact of CVE-2023-42702 could be significant, as malicious actors may exploit this vulnerability to access sensitive information stored on affected devices.
Technical Details of CVE-2023-42702
In this section, we explore the technical aspects of CVE-2023-42702.
Vulnerability Description
The vulnerability arises from the lack of a permission check in the firewall service, enabling unauthorized writing of permission usage records.
Affected Systems and Versions
Unisoc products including SC7731E, SC9832E, SC9863A, T310, T606, T612, T616, T610, T618, T760, T770, T820, and S8000 running Android 11 and Android 12 versions are affected by this vulnerability.
Exploitation Mechanism
To exploit CVE-2023-42702, an attacker can leverage the missing permission check in the firewall service to write permission usage records of an app, resulting in potential local information disclosure.
Mitigation and Prevention
This section outlines the steps to mitigate and prevent exploitation of CVE-2023-42702.
Immediate Steps to Take
Users and organizations are advised to apply security patches and updates provided by Unisoc to address this vulnerability promptly.
Long-Term Security Practices
Implementing robust security measures, such as regular security audits and access controls, can help prevent similar vulnerabilities in the future.
Patching and Updates
Regularly check for and install updates released by Unisoc to ensure that your devices are protected against CVE-2023-42702.