CVE-2018-18227 : Vulnerability Insights and Analysis

Wireshark versions 2.6.0 to 2.6.3 and 2.4.0 to 2.4.9 were affected by a vulnerability in the MS-WSP protocol dissector, causing crashes. The issue has been resolved.

Understanding CVE-2018-18227

This CVE entry addresses a vulnerability in Wireshark versions 2.6.0 to 2.6.3 and 2.4.0 to 2.4.9 related to the MS-WSP protocol dissector.

What is CVE-2018-18227?

In Wireshark versions 2.6.0 to 2.6.3 and 2.4.0 to 2.4.9, a vulnerability in the MS-WSP protocol dissector could lead to crashes. The problem was fixed by properly handling NULL return values in the packet-mswsp.c file.

The Impact of CVE-2018-18227

The vulnerability could potentially lead to crashes in Wireshark, affecting the stability and reliability of the software.

Technical Details of CVE-2018-18227

This section provides more in-depth technical details about the CVE.

Vulnerability Description

The vulnerability in Wireshark versions 2.6.0 to 2.6.3 and 2.4.0 to 2.4.9 stemmed from improper handling of NULL return values in the MS-WSP protocol dissector.

Affected Systems and Versions

Wireshark versions 2.6.0 to 2.6.3
Wireshark versions 2.4.0 to 2.4.9

Exploitation Mechanism

Exploitation of this vulnerability could lead to crashes in Wireshark when processing MS-WSP protocol packets.

Mitigation and Prevention

Protecting systems from CVE-2018-18227 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update Wireshark to the latest version that includes the fix for CVE-2018-18227.
Monitor vendor advisories for any additional security recommendations.

Long-Term Security Practices

Regularly update software and security patches to prevent known vulnerabilities.
Implement network segmentation and access controls to limit the impact of potential exploits.

Patching and Updates

Ensure that all systems running affected versions of Wireshark are patched with the latest updates to mitigate the risk of exploitation.