CVE-2022-39103 : Security Advisory and Response

This article provides detailed information about CVE-2022-39103, a vulnerability affecting Unisoc's Gallery service that could lead to local denial of service attacks on specific Unisoc products running Android 10, 11, and 12.

Understanding CVE-2022-39103

In this section, we will explore what CVE-2022-39103 is, its impact, technical details, and mitigation strategies.

What is CVE-2022-39103?

CVE-2022-39103 involves a missing permission check in the Gallery service of specific Unisoc products. This oversight can be exploited to trigger local denial of service attacks without requiring additional execution privileges.

The Impact of CVE-2022-39103

The vulnerability poses a risk of local denial of service in the Gallery service on affected Unisoc devices. Attackers can potentially disrupt the Gallery service's functionality without sophisticated privileges, impacting user experience.

Technical Details of CVE-2022-39103

This section delves into the specifics of the vulnerability, including its description, affected systems, and exploitation mechanism.

Vulnerability Description

CVE-2022-39103 results from a crucial permission check missing in the Gallery service of certain Unisoc products. This flaw enables threat actors to launch local denial of service attacks, affecting the service's availability.

Affected Systems and Versions

Unisoc products like SC9863A, SC9832E, SC7731E, T610, T310, T606, T760, T610, T618, T606, T612, T616, T760, T770, T820, and S8000 running Android 10, 11, and 12 are susceptible to CVE-2022-39103.

Exploitation Mechanism

By leveraging the missing permission check in the Gallery service, malicious actors can exploit CVE-2022-39103 to launch local denial of service attacks on vulnerable Unisoc devices, potentially disrupting the Gallery service.

Mitigation and Prevention

In this final section, we outline immediate and long-term steps to mitigate the risks associated with CVE-2022-39103 and emphasize the importance of timely patching and updates.

Immediate Steps to Take

Users of affected Unisoc devices should implement access control measures to limit unauthorized Gallery service access. Additionally, monitoring system logs for suspicious activities can help detect and respond to potential exploitation attempts.

Long-Term Security Practices

Maintaining up-to-date security protocols, conducting regular security audits, and educating users on safe browsing habits are essential for enhancing the overall security posture of Unisoc products to prevent similar vulnerabilities in the future.

Patching and Updates

Unisoc should release patches promptly to address the missing permission check in the Gallery service, ensuring that users can deploy the fixes to safeguard their devices from exploitation.