CVE-2018-11354 : Exploit Details and Defense Strategies

Wireshark 2.6.0 addressed the issue of the IEEE 1905.1a dissector crashing. The correction in epan/dissectors/packet-ieee1905.c resolved the problem by adjusting string handling.

Understanding CVE-2018-11354

This CVE entry pertains to a vulnerability in Wireshark that could lead to a crash in the IEEE 1905.1a dissector.

What is CVE-2018-11354?

CVE-2018-11354 is a vulnerability in Wireshark version 2.6.0 that could cause the IEEE 1905.1a dissector to crash. The issue was resolved by making corrections to string handling in the packet-ieee1905.c file.

The Impact of CVE-2018-11354

The vulnerability could potentially lead to a denial of service if exploited by an attacker, causing the Wireshark application to crash.

Technical Details of CVE-2018-11354

Wireshark version 2.6.0 was affected by this vulnerability.

Vulnerability Description

The vulnerability in the IEEE 1905.1a dissector could result in a crash, impacting the stability of the Wireshark application.

Affected Systems and Versions

Wireshark version 2.6.0

Exploitation Mechanism

The vulnerability could be exploited by crafting a malicious network packet that triggers the crash in the IEEE 1905.1a dissector.

Mitigation and Prevention

To address CVE-2018-11354, users should take immediate steps to mitigate the risk and prevent exploitation.

Immediate Steps to Take

Update Wireshark to version 2.6.0 or later to apply the necessary corrections and prevent the vulnerability from being exploited.
Monitor official sources for security advisories and patches related to Wireshark.

Long-Term Security Practices

Regularly update Wireshark and other software to ensure that known vulnerabilities are patched promptly.
Employ network security measures to detect and block potentially malicious network traffic.

Patching and Updates

Apply patches and updates provided by Wireshark promptly to address security vulnerabilities and enhance the overall security posture of the application.