CVE-2023-42671 Explained : Impact and Mitigation
Learn about CVE-2023-42671, a vulnerability impacting Unisoc devices, allowing unauthorized writing of permission usage records and potential local information disclosure.
This article discusses CVE-2023-42671, a vulnerability that affects Unisoc devices and could lead to local information disclosure.
Understanding CVE-2023-42671
This section provides insights into the nature and impact of the CVE-2023-42671 vulnerability.
What is CVE-2023-42671?
The CVE-2023-42671 vulnerability pertains to a flaw in imsservice on Unisoc devices. It allows unauthorized writing of permission usage records for an app, leading to potential local information disclosure.
The Impact of CVE-2023-42671
The impact of this vulnerability is significant as it enables attackers to extract sensitive information locally without requiring additional execution privileges.
Technical Details of CVE-2023-42671
This section delves into the specific technical aspects of CVE-2023-42671.
Vulnerability Description
The vulnerability arises from a missing permission check in imsservice, enabling unauthorized writing of permission usage records.
Affected Systems and Versions
Unisoc devices running Android 11, Android 12, and Android 13 are susceptible to this vulnerability, including SC7731E, SC9832E, SC9863A, T310, T606, T612, T616, T610, T618, T760, T770, T820, and S8000.
Exploitation Mechanism
Exploiting CVE-2023-42671 involves taking advantage of the missing permission check in imsservice to write permission usage records, leading to potential local information disclosure.
Mitigation and Prevention
This section outlines measures to mitigate and prevent the CVE-2023-42671 vulnerability.
Immediate Steps to Take
Users are advised to update their Unisoc devices to the latest firmware to patch the vulnerability and prevent unauthorized access to permission usage records.
Long-Term Security Practices
Implementing secure coding practices and maintaining device firmware updates are crucial for long-term security against such vulnerabilities.
Patching and Updates
Regularly check for and apply firmware updates provided by Unisoc to address security vulnerabilities like CVE-2023-42671.