CVE-2023-47345 : What You Need to Know

A Buffer Overflow vulnerability has been identified in free5gc 3.3.0, potentially enabling attackers to launch denial of service attacks. The issue arises due to a crafted PFCP message with a malformed PFCP Heartbeat message.

Understanding CVE-2023-47345

This section delves into the details of the CVE-2023-47345 vulnerability.

What is CVE-2023-47345?

The Buffer Overflow vulnerability in free5gc 3.3.0 allows attackers to cause a denial of service by sending a specially designed PFCP message.

The Impact of CVE-2023-47345

The vulnerability could be exploited by malicious actors to disrupt services and potentially lead to system crashes.

Technical Details of CVE-2023-47345

Explore the specific technical aspects of CVE-2023-47345 below.

Vulnerability Description

The flaw arises when a PFCP message with a malformed Heartbeat message is sent, leading to a denial of service.

Affected Systems and Versions

The Buffer Overflow vulnerability affects free5gc version 3.3.0.

Exploitation Mechanism

Attackers exploit the vulnerability by sending a carefully constructed PFCP message with specific characteristics.

Mitigation and Prevention

Discover the steps to mitigate and prevent the exploitation of CVE-2023-47345.

Immediate Steps to Take

Ensure that proper input validation is implemented on PFCP messages to mitigate the risk of exploitation.

Long-Term Security Practices

Regular security audits and code reviews can help in identifying and addressing similar vulnerabilities in the future.

Patching and Updates

Stay informed about security patches and updates released by free5gc to address the Buffer Overflow vulnerability.