CVE-2023-2906 Explained : Impact and Mitigation

This CVE-2023-2906 was published on August 25, 2023, by AHA. The vulnerability affects Wireshark versions 2.0.0 through 4.0.7 due to a divide by zero issue in the validation process of attacker-crafted CP2179 packets.

Understanding CVE-2023-2906

CVE-2023-2906 is a vulnerability that allows for a denial of service attack by exploiting a divide by zero vulnerability in Wireshark versions 2.0.0 through 4.0.7.

What is CVE-2023-2906?

The vulnerability in Wireshark, tracked as CVE-2023-2906, occurs due to a failure in properly validating the length provided by an attacker-crafted CP2179 packet. This oversight allows malicious actors to create a situation where a divide by zero occurs, leading to a denial of service attack.

The Impact of CVE-2023-2906

The impact of CVE-2023-2906 is significant as it can be exploited by attackers to launch denial of service attacks on systems running affected versions of Wireshark. This can result in service disruption and potential system instability.

Technical Details of CVE-2023-2906

The technical details of CVE-2023-2906 include information on the vulnerability description, affected systems and versions, and the exploitation mechanism.

Vulnerability Description

The vulnerability arises from a failure in properly validating the length provided by an attacker-crafted CP2179 packet in Wireshark, allowing for a divide by zero scenario that can be exploited for a denial of service attack.

Affected Systems and Versions

Wireshark versions 2.0.0 through 4.0.7 are impacted by CVE-2023-2906, exposing systems running these versions to the divide by zero vulnerability and potential denial of service attacks.

Exploitation Mechanism

Attackers can exploit this vulnerability by crafting malicious CP2179 packets with manipulated length values to trigger a divide by zero condition in affected versions of Wireshark, leading to a denial of service situation.

Mitigation and Prevention

Mitigating the risks associated with CVE-2023-2906 involves taking immediate steps to secure affected systems and implementing long-term security practices to prevent similar vulnerabilities in the future.

Immediate Steps to Take

Users and administrators are advised to apply relevant patches and updates provided by Wireshark to address the CVE-2023-2906 vulnerability and prevent exploitation on vulnerable systems.

Long-Term Security Practices

Implementing security best practices, such as network segmentation, access control, and regular security updates, can help enhance the overall security posture of systems and prevent future vulnerabilities.

Patching and Updates

It is crucial for users to regularly check for and apply security patches and updates released by Wireshark to mitigate the risk of exploitation related to CVE-2023-2906 and ensure the security of their systems.