CVE-2022-47356 Explained : Impact and Mitigation

This article provides detailed information about CVE-2022-47356, a vulnerability in the log service of certain Unisoc devices that could result in a local denial of service.

Understanding CVE-2022-47356

In this section, we will explore what CVE-2022-47356 is, its impact, technical details, and mitigation strategies.

What is CVE-2022-47356?

CVE-2022-47356 is a vulnerability found in the log service of Unisoc (Shanghai) Technologies Co., Ltd. devices. The issue stems from a missing permission check, which could be exploited to cause a local denial of service in the log service.

The Impact of CVE-2022-47356

This vulnerability can be exploited by attackers to disrupt the log service on affected devices, leading to a local denial of service condition. This could impact the device's ability to log important system events and actions.

Technical Details of CVE-2022-47356

Let's delve into the technical aspects of CVE-2022-47356 to better understand the vulnerability.

Vulnerability Description

The vulnerability arises from a missing permission check in the log service, allowing unauthorized users to disrupt the service and potentially cause a denial of service condition.

Affected Systems and Versions

Unisoc devices including SC9863A, SC9832E, SC7731E, T610, T310, T606, T760, T610, T618, T606, T612, T616, T760, T770, T820, and S8000 running Android 10, 11, or 12 are impacted by this vulnerability.

Exploitation Mechanism

Attackers can exploit this vulnerability by leveraging the missing permission check in the log service to disrupt the service and trigger a local denial of service situation.

Mitigation and Prevention

This section covers the steps to mitigate the risks posed by CVE-2022-47356 and prevent potential attacks.

Immediate Steps to Take

Users of affected Unisoc devices should apply security patches provided by the vendor to address this vulnerability. Additionally, limiting access to the log service can help prevent unauthorized exploitation.

Long-Term Security Practices

Implementing robust access controls, regular security updates, and monitoring system logs can enhance overall device security and prevent similar vulnerabilities from being exploited in the future.

Patching and Updates

Stay informed about security updates released by Unisoc and promptly apply patches to ensure your devices are protected against known vulnerabilities.