CVE-2022-38700 : What You Need to Know

OpenHarmony-v3.1.1 and prior versions have a permission bypass vulnerability that allows LAN attackers to bypass permission control and gain control of the camera service.

Understanding CVE-2022-38700

This CVE identifies a permission bypass vulnerability in OpenHarmony affecting versions up to 3.1.1. The vulnerability can be exploited by LAN attackers to gain unauthorized access to the camera service.

What is CVE-2022-38700?

The CVE-2022-38700 refers to a permission bypass vulnerability in OpenHarmony versions prior to 3.1.1. Attackers within the LAN can exploit this vulnerability to bypass permission controls and take control of the camera service.

The Impact of CVE-2022-38700

The impact of CVE-2022-38700 is rated as high, with a CVSS base score of 8.8. The vulnerability poses a significant risk as LAN attackers can compromise the confidentiality, integrity, and availability of the camera service.

Technical Details of CVE-2022-38700

This section provides detailed technical information about the vulnerability.

Vulnerability Description

OpenHarmony-v3.1.1 and prior versions contain a permission bypass vulnerability that can be exploited by LAN-based attackers to bypass permission controls and take over the camera service.

Affected Systems and Versions

The vulnerability affects OpenHarmony versions up to 3.1.1, specifically targeting the multimedia subsystem where the camera service is compromised.

Exploitation Mechanism

LAN attackers can exploit the permission bypass vulnerability by leveraging weaknesses in authentication mechanisms to gain unauthorized access to the camera service.

Mitigation and Prevention

To mitigate the risks associated with CVE-2022-38700, immediate actions and long-term security practices are recommended.

Immediate Steps to Take

Apply security patches provided by OpenHarmony to fix the permission bypass vulnerability.
Monitor network traffic for any unauthorized access attempts.
Restrict network access to critical services like the camera subsystem.

Long-Term Security Practices

Implement network segmentation to limit the exposure of critical services to unauthorized users.
Conduct regular security audits to identify and address potential vulnerabilities in the system.

Patching and Updates

Keep the OpenHarmony software up to date with the latest patches and updates to ensure protection against known vulnerabilities.