CVE-2023-42704 : Exploit Details and Defense Strategies
Discover the impact of CVE-2023-42704, a vulnerability in Unisoc (Shanghai) Technologies Co., Ltd. products SC7731E, SC9832E, SC9863A, and more running Android 11, 12, and 13.
This article provides detailed information about CVE-2023-42704, including its impact, technical details, and mitigation strategies.
Understanding CVE-2023-42704
This section delves into the vulnerability identified as CVE-2023-42704 and its implications.
What is CVE-2023-42704?
The CVE-2023-42704 vulnerability is related to the imsservice, where a lack of permission check allows the writing of permission usage records for an app. Exploiting this issue could potentially result in local information disclosure without requiring additional execution privileges.
The Impact of CVE-2023-42704
The impact of CVE-2023-42704 includes the risk of unauthorized access to sensitive information stored on the affected systems.
Technical Details of CVE-2023-42704
This section provides more technical insights into the CVE-2023-42704 vulnerability.
Vulnerability Description
The vulnerability arises from a missing permission check in the imsservice, enabling the unauthorized writing of permission usage records.
Affected Systems and Versions
The vulnerability affects Unisoc (Shanghai) Technologies Co., Ltd.'s SC7731E, SC9832E, SC9863A, T310, T606, T612, T616, T610, T618, T760, T770, T820, and S8000 products running Android 11, Android 12, and Android 13.
Exploitation Mechanism
The exploit leverages the absence of a permission check to manipulate permission usage records, potentially leading to unauthorized information disclosure.
Mitigation and Prevention
In this section, we discuss strategies to address and prevent CVE-2023-42704.
Immediate Steps to Take
Immediately implement access controls and regular monitoring to detect any unauthorized activities related to permission usage records.
Long-Term Security Practices
Establish robust permission management protocols and conduct security audits to identify and rectify any vulnerabilities in the imsservice.
Patching and Updates
Apply security patches provided by Unisoc (Shanghai) Technologies Co., Ltd. promptly to address the CVE-2023-42704 vulnerability.