CVE-2023-47217 : Vulnerability Insights and Analysis

A buffer overflow vulnerability in OpenHarmony version 3.2.2 and prior can be exploited by a local attacker to cause a denial of service (DOS) attack.

Understanding CVE-2023-47217

This CVE-2023-47217 impacts OpenHarmony versions 3.2.2 and below due to a buffer overflow vulnerability that can be abused for a DOS attack.

What is CVE-2023-47217?

CVE-2023-47217 refers to a buffer overflow security flaw present in OpenHarmony version 3.2.2 and earlier. This vulnerability allows a local attacker to execute a DOS attack by overflowing the buffer.

The Impact of CVE-2023-47217

The impact of CVE-2023-47217 is classified as MEDIUM severity with a base CVSS score of 4. It can lead to a denial of service if exploited by a malicious actor.

Technical Details of CVE-2023-47217

This section provides more insight into the vulnerability, affected systems, and how it can be exploited.

Vulnerability Description

The buffer overflow vulnerability in OpenHarmony v3.2.2 and prior versions allows a local attacker to trigger a denial of service attack by overflowing the buffer.

Affected Systems and Versions

OpenHarmony versions up to v3.2.2 are affected by CVE-2023-47217 due to this buffer overflow vulnerability.

Exploitation Mechanism

The local attacker can exploit this vulnerability by crafting specific input to overflow the buffer and disrupt the normal operation of the system.

Mitigation and Prevention

To address CVE-2023-47217, immediate steps need to be taken along with long-term security practices to prevent similar issues in the future.

Immediate Steps to Take

Update OpenHarmony to version v3.2.2 or later to mitigate the vulnerability.
Monitor network traffic for any suspicious activities.
Implement strict input validation to prevent buffer overflow attacks.

Long-Term Security Practices

Regular security training for developers to write secure code.
Conduct regular security audits to identify vulnerabilities.

Patching and Updates

Stay informed about security patches released by OpenHarmony and apply them promptly to secure your system.