CVE-2023-24465 : What You Need to Know

This CVE-2023-24465 was assigned by OpenHarmony on March 7, 2023, and was published on March 10, 2023. The vulnerability affects the Communication Wi-Fi subsystem in OpenHarmony versions 3.1.4 and earlier, as well as version 3.0.7 and earlier. It is categorized as a "null pointer reference vulnerability" that can be exploited by local attackers to crash the current application.

Understanding CVE-2023-24465

This section delves into the details of CVE-2023-24465, its impact, technical description, affected systems, and mitigation steps.

What is CVE-2023-24465?

The CVE-2023-24465 pertains to a null pointer reference vulnerability in the Communication Wi-Fi subsystem of OpenHarmony versions 3.1.4 and prior, as well as version 3.0.7 and earlier. Local attackers can exploit this vulnerability to cause the current application to crash.

The Impact of CVE-2023-24465

The impact of this vulnerability, rated with a CVSS base score of 5.5 (Medium Severity), includes a high availability impact. The vulnerability falls under CAPEC-6 (Argument Injection), posing a risk to the integrity of affected systems.

Technical Details of CVE-2023-24465

In this section, we explore the technical aspects of the vulnerability, including its description, affected systems, versions, and exploitation mechanism.

Vulnerability Description

The null pointer reference vulnerability in the Communication Wi-Fi subsystem within OpenHarmony versions mentioned allows local attackers to crash the current application by exploiting this flaw.

Affected Systems and Versions

The affected systems include OpenHarmony versions 3.1.4 and earlier, as well as version 3.0.7 and earlier. Users on these versions are vulnerable to the null pointer reference exploit in the Communication Wi-Fi subsystem.

Exploitation Mechanism

Local attackers can exploit the null pointer reference vulnerability in the Communication Wi-Fi subsystem to manipulate external data and cause the target application to crash.

Mitigation and Prevention

To address CVE-2023-24465, immediate steps should be taken, followed by the implementation of long-term security practices and applying necessary patches and updates.

Immediate Steps to Take

Users are advised to update their OpenHarmony systems to the latest versions or apply relevant patches provided by OpenHarmony to mitigate the null pointer reference vulnerability in the Communication Wi-Fi subsystem.

Long-Term Security Practices

Implementing robust input validation mechanisms, conducting regular security audits, and ensuring timely updates can help enhance the overall security posture of OpenHarmony systems and prevent similar vulnerabilities in the future.

Patching and Updates

OpenHarmony users should stay informed about security advisories, subscribe to relevant mailing lists, and promptly apply security patches and updates released by the vendor to address known vulnerabilities and enhance system security.