Discover CVE-2023-42712, a security flaw in Unisoc (Shanghai) Technologies Co., Ltd.'s firewall service, enabling local information disclosure. Learn about impacted systems, exploitation risk, and mitigation steps.
This article provides insights into CVE-2023-42712, a vulnerability discovered in Unisoc's SC7731E/SC9832E/SC9863A/T310/T606/T612/T616/T610/T618/T760/T770/T820/S8000 products.
Understanding CVE-2023-42712
CVE-2023-42712 is a security vulnerability identified in Unisoc (Shanghai) Technologies Co., Ltd.'s firewall service, potentially leading to local information disclosure.
What is CVE-2023-42712?
The vulnerability arises from a missing permission check in the firewall service, allowing unauthorized writing of permission usage records for an app, resulting in local information disclosure without requiring additional execution privileges.
The Impact of CVE-2023-42712
Exploitation of this vulnerability could enable threat actors to access sensitive information stored locally on affected devices, compromising user privacy and data security.
Technical Details of CVE-2023-42712
This section provides a deeper dive into the technical aspects of CVE-2023-42712.
Vulnerability Description
The vulnerability allows attackers to manipulate permission usage records of an app through the firewall service, potentially leading to the exposure of sensitive local information.
Affected Systems and Versions
Unisoc's SC7731E, SC9832E, SC9863A, T310, T606, T612, T616, T610, T618, T760, T770, T820, and S8000 products running Android 11 and Android 12 are affected by this vulnerability.
Exploitation Mechanism
Threat actors can exploit the missing permission check in the firewall service to tamper with permission usage records, facilitating unauthorized access to confidential local data.
Mitigation and Prevention
It is crucial to take immediate action to mitigate the risks associated with CVE-2023-42712.
Immediate Steps to Take
Disable the affected services or apply security patches provided by Unisoc to address the vulnerability and prevent potential exploitation.
Long-Term Security Practices
Regularly update and patch your devices to safeguard against known vulnerabilities and ensure robust security posture.
Patching and Updates
Stay informed about security updates from Unisoc and promptly apply patches to protect your devices from emerging threats.