CVE-2017-11407 : Vulnerability Insights and Analysis

Wireshark versions 2.2.0 to 2.2.7 and 2.0.0 to 2.0.13 were susceptible to a crash in the MQ dissector. The issue was resolved by validating the fragment length before reassembly.

Understanding CVE-2017-11407

In July 2017, CVE-2017-11407 was published to address a potential crash vulnerability in Wireshark versions 2.2.0 to 2.2.7 and 2.0.0 to 2.0.13 related to the MQ dissector.

What is CVE-2017-11407?

CVE-2017-11407 is a vulnerability found in Wireshark versions 2.2.0 to 2.2.7 and 2.0.0 to 2.0.13 that could lead to a crash due to improper handling within the MQ dissector.

The Impact of CVE-2017-11407

The vulnerability could potentially cause a crash in Wireshark, affecting the stability and reliability of the network analysis tool.

Technical Details of CVE-2017-11407

Wireshark's MQ dissector vulnerability is detailed below:

Vulnerability Description

The MQ dissector in Wireshark versions 2.2.0 to 2.2.7 and 2.0.0 to 2.0.13 could crash due to improper handling, impacting the tool's functionality.

Affected Systems and Versions

Wireshark versions 2.2.0 to 2.2.7
Wireshark versions 2.0.0 to 2.0.13

Exploitation Mechanism

The vulnerability could be exploited by sending specially crafted network packets to the affected Wireshark versions, triggering a crash in the MQ dissector.

Mitigation and Prevention

To address CVE-2017-11407, consider the following steps:

Immediate Steps to Take

Update Wireshark to the latest version to patch the vulnerability.
Avoid opening suspicious or untrusted network captures to mitigate potential risks.

Long-Term Security Practices

Regularly update and patch software to prevent known vulnerabilities.
Implement network monitoring and intrusion detection systems to identify unusual network behavior.

Patching and Updates

Apply security updates and patches provided by Wireshark promptly to ensure the software's security and stability.