CVE-2022-39861 Explained : Impact and Mitigation

This article provides details about CVE-2022-39861, a vulnerability in FactoryCamera by Samsung Mobile that allows attackers to record video without camera privilege.

Understanding CVE-2022-39861

This section covers what CVE-2022-39861 is and its impact, technical details, and mitigation strategies.

What is CVE-2022-39861?

CVE-2022-39861 refers to an Unprotected Receiver vulnerability in AtBroadcastReceiver in FactoryCamera by Samsung Mobile before version 3.5.51. This vulnerability enables attackers to record video without the required camera privilege.

The Impact of CVE-2022-39861

The impact of this vulnerability is medium severity, with a CVSS base score of 5.9. Attackers can exploit the vulnerability locally, without the need for any privileges. The confidentiality, integrity, and availability of the affected system may be compromised.

Technical Details of CVE-2022-39861

This section delves into the specific technical aspects of CVE-2022-39861, including the vulnerability description, affected systems and versions, and exploitation mechanism.

Vulnerability Description

The vulnerability allows unauthorized recording of video in FactoryCamera prior to version 3.5.51, even without camera privilege.

Affected Systems and Versions

Vendor: Samsung Mobile Product: FactoryCamera Affected Versions: Custom version less than 3.5.51

Exploitation Mechanism

Attackers can exploit this vulnerability by utilizing the Unprotected Receiver in AtBroadcastReceiver to record video without the necessary camera privilege.

Mitigation and Prevention

In this section, key steps to mitigate and prevent the exploitation of CVE-2022-39861 are outlined.

Immediate Steps to Take

Users are advised to update FactoryCamera to version 3.5.51 or higher to patch this vulnerability. Additionally, users should be cautious while granting camera privileges to applications.

Long-Term Security Practices

Implementing robust authorization mechanisms and regularly updating software and security patches can enhance the security posture of the system.

Patching and Updates

Ensure that all software components, including FactoryCamera, are regularly updated to the latest versions to mitigate known vulnerabilities and protect against exploitation.