CVE-2023-47347 : Vulnerability Insights and Analysis
Learn about CVE-2023-47347, a critical Buffer Overflow vulnerability in free5gc 3.3.0 allowing denial of service attacks. Find out how to mitigate the risk and protect your system.
A Buffer Overflow vulnerability in free5gc 3.3.0 has been identified, allowing attackers to launch a denial of service attack. Here's what you need to know about this CVE.
Understanding CVE-2023-47347
This section will provide insights into the nature of the vulnerability and its potential impact.
What is CVE-2023-47347?
The CVE-2023-47347 is a Buffer Overflow vulnerability found in free5gc 3.3.0. Attackers can exploit this flaw by sending crafted PFCP messages with a mutated Sequence Number, leading to a denial of service.
The Impact of CVE-2023-47347
The vulnerability poses a significant risk as it allows malicious actors to disrupt services through a denial of service attack, impacting the availability of the free5gc 3.3.0 system.
Technical Details of CVE-2023-47347
Delve deeper into the specifics of the vulnerability to understand its implications.
Vulnerability Description
The vulnerability arises due to a Buffer Overflow issue in the processing of PFCP messages in free5gc 3.3.0, enabling attackers to manipulate Sequence Numbers and cause system crashes.
Affected Systems and Versions
All instances of free5gc 3.3.0 are affected by this vulnerability, leaving systems running this version at risk of exploitation.
Exploitation Mechanism
By sending specially crafted PFCP messages with manipulated Sequence Numbers, threat actors can trigger a Buffer Overflow, leading to a denial of service condition.
Mitigation and Prevention
Explore the necessary steps to mitigate the risks associated with CVE-2023-47347.
Immediate Steps to Take
It is crucial to apply patches and updates provided by the vendor to address the Buffer Overflow vulnerability in free5gc 3.3.0. Network administrators should also monitor for any suspicious activities.
Long-Term Security Practices
Implementing security best practices, such as network segmentation and access controls, can help in reducing the attack surface and enhancing overall system security.
Patching and Updates
Regularly update the free5gc software to the latest version released by the vendor to protect against known vulnerabilities and ensure system integrity.