CVE-2023-42677 : Vulnerability Insights and Analysis

This article provides an overview of CVE-2023-42677, detailing the vulnerability, impact, technical details, and mitigation steps.

Understanding CVE-2023-42677

CVE-2023-42677 is a security vulnerability identified in

imsservice

that allows unauthorized write permission usage records of an app, potentially leading to local information disclosure without requiring additional execution privileges.

What is CVE-2023-42677?

The CVE-2023-42677 vulnerability in

imsservice

stems from a missing permission check, enabling a malicious actor to manipulate permission usage records of an app.

The Impact of CVE-2023-42677

The impact of CVE-2023-42677 is the potential for local information disclosure, which could compromise user privacy and sensitive data stored on the affected device.

Technical Details of CVE-2023-42677

Vulnerability Description

The vulnerability allows attackers to tamper with permission usage records of an app without proper authorization, posing a risk to data confidentiality.

Affected Systems and Versions

The vulnerability affects Unisoc devices running software versions Android 11, Android 12, and Android 13, including SC7731E, SC9832E, SC9863A, T310, T606, T612, T616, T610, T618, T760, T770, T820, and S8000.

Exploitation Mechanism

Exploiting CVE-2023-42677 involves leveraging the missing permission check in

imsservice

to manipulate app permission records and gain unauthorized access to sensitive information.

Mitigation and Prevention

Immediate Steps to Take

It is crucial for users to update their Unisoc devices to the latest firmware version provided by Unisoc to patch the vulnerability and prevent potential exploitation.

Long-Term Security Practices

Practicing good security hygiene, such as avoiding suspicious apps and sources, can help mitigate the risk of similar vulnerabilities being exploited in the future.

Patching and Updates

Regularly checking for and applying security updates from Unisoc is essential to ensure that known vulnerabilities are addressed promptly and the device remains secure.