CVE-2023-0412 : Vulnerability Insights and Analysis

This CVE-2023-0412 relates to a vulnerability in Wireshark versions 4.0.0 to 4.0.2 and 3.6.0 to 3.6.10, which could lead to a denial of service through packet injection or a crafted capture file.

Understanding CVE-2023-0412

This section will provide insights into the nature of the vulnerability and its potential impact.

What is CVE-2023-0412?

CVE-2023-0412 involves a TIPC dissector crash in Wireshark versions 4.0.0 to 4.0.2 and 3.6.0 to 3.6.10. An attacker could exploit this vulnerability to cause a denial of service by injecting malicious packets or using a specially crafted capture file.

The Impact of CVE-2023-0412

The impact of this vulnerability is significant as it could potentially disrupt the normal operation of Wireshark, leading to denial of service for legitimate users or systems utilizing the affected versions.

Technical Details of CVE-2023-0412

In this section, we will delve into the specific technical aspects of the vulnerability, including its description, affected systems and versions, and exploitation mechanism.

Vulnerability Description

The vulnerability in Wireshark versions 4.0.0 to 4.0.2 and 3.6.0 to 3.6.10 stems from uncontrolled recursion in the TIPC dissector, which could be triggered by malicious input.

Affected Systems and Versions

The affected vendor is Wireshark Foundation, with the product Wireshark impacted by versions >=4.0.0 and <4.0.3, as well as versions >=3.6.0 and <3.6.11.

Exploitation Mechanism

Exploiting CVE-2023-0412 involves injecting specially crafted packets or manipulating capture files, which can lead to a crash in the TIPC dissector and subsequent denial of service.

Mitigation and Prevention

To safeguard systems from the risks associated with CVE-2023-0412, taking immediate steps, implementing long-term security practices, and applying patches and updates are crucial.

Immediate Steps to Take

Immediately updating Wireshark installations to versions that address CVE-2023-0412 is recommended to mitigate the vulnerability and reduce the risk of exploitation.

Long-Term Security Practices

Implementing network segmentation, access controls, and regular security assessments can enhance the overall security posture and help prevent similar vulnerabilities in the future.

Patching and Updates

Regularly monitoring for security updates from Wireshark Foundation and promptly applying patches to address known vulnerabilities like CVE-2023-0412 is essential to maintain a secure environment.