CVE-2024-0211 Explained : Impact and Mitigation

This CVE record involves an uncontrolled recursion vulnerability in Wireshark, specifically in version 4.2.0, which could result in a denial of service through packet injection or crafted capture files.

Understanding CVE-2024-0211

This section will help you understand the nature and impact of the CVE-2024-0211 vulnerability.

What is CVE-2024-0211?

CVE-2024-0211 is classified as CWE-674: Uncontrolled Recursion. The vulnerability allows an attacker to cause Wireshark 4.2.0 to crash, leading to a denial of service situation.

The Impact of CVE-2024-0211

Due to this vulnerability, an attacker could exploit Wireshark 4.2.0 to perform packet injection or use crafted capture files to trigger a denial of service, impacting the availability, integrity, and confidentiality of the system.

Technical Details of CVE-2024-0211

Here are the technical details of the CVE-2024-0211 vulnerability, including its description, affected systems, and exploitation mechanism.

Vulnerability Description

The uncontrolled recursion vulnerability in Wireshark version 4.2.0 can be abused by an attacker to crash the application, resulting in a denial of service condition.

Affected Systems and Versions

The affected vendor and product for this vulnerability are the Wireshark Foundation and Wireshark version 4.2.0. Versions less than 4.2.1 are vulnerable to this issue.

Exploitation Mechanism

Attackers can exploit this vulnerability by injecting malicious packets or providing specially crafted capture files to the Wireshark application, causing it to crash and leading to a denial of service.

Mitigation and Prevention

To protect systems from CVE-2024-0211, certain steps can be taken to mitigate the risks and prevent potential exploitation.

Immediate Steps to Take

Immediate actions should include upgrading Wireshark to version 4.2.1 or above to eliminate the vulnerability and prevent exploitation by malicious actors.

Long-Term Security Practices

Implementing strict network traffic monitoring, access controls, and regular security assessments can enhance the overall security posture of the system, reducing the likelihood of successful attacks.

Patching and Updates

Regularly applying security patches and updates provided by Wireshark Foundation can help in addressing known vulnerabilities, including CVE-2024-0211, thus ensuring a more secure environment.