CVE-2023-49142 : Vulnerability Insights and Analysis

A detailed overview of the UAF vulnerability in multimedia audio within OpenHarmony v3.2.2 and prior versions.

Understanding CVE-2023-49142

This CVE discloses a Use After Free (UAF) vulnerability affecting multimedia audio in OpenHarmony v3.2.2 and earlier versions.

What is CVE-2023-49142?

The vulnerability allows a local attacker to trigger a multimedia audio crash by modifying a released pointer in OpenHarmony v3.2.2 and earlier versions.

The Impact of CVE-2023-49142

The impact of this vulnerability is rated as MEDIUM with a CVSS base score of 4. It has a LOW severity and affects the availability of the system.

Technical Details of CVE-2023-49142

This section covers the technical aspects of the UAF vulnerability in multimedia audio within OpenHarmony.

Vulnerability Description

The vulnerability arises from a flaw in handling released pointers, enabling attackers to crash multimedia audio functionalities.

Affected Systems and Versions

OpenHarmony v3.2.2 and prior versions are affected by this vulnerability, with version v3.2.0 specifically identified as vulnerable.

Exploitation Mechanism

A local attacker can exploit this vulnerability by manipulating released pointers to cause a crash in multimedia audio components.

Mitigation and Prevention

Explore the necessary steps to mitigate and prevent the exploitation of CVE-2023-49142.

Immediate Steps to Take

Update OpenHarmony systems to version v3.2.2 or higher to patch the UAF vulnerability.
Restrict access to critical multimedia audio functionalities to authorized users only.

Long-Term Security Practices

Implement secure coding practices to prevent UAF vulnerabilities in future software releases.
Regularly monitor and audit multimedia audio components for unusual activities that may indicate exploitation.

Patching and Updates

Stay informed about security updates and patches released by OpenHarmony to address CVE-2023-49142 and other potential vulnerabilities.