CVE-2017-15191 Explained : Impact and Mitigation

Wireshark versions 2.4.0 to 2.4.1, 2.2.0 to 2.2.9, and 2.0.0 to 2.0.15 were found to have a vulnerability in the DMP dissector that could lead to a crash. This CVE entry provides details on the issue and its resolution.

Understanding CVE-2017-15191

This section delves into the specifics of the CVE-2017-15191 vulnerability.

What is CVE-2017-15191?

CVE-2017-15191 is a vulnerability identified in Wireshark versions 2.4.0 to 2.4.1, 2.2.0 to 2.2.9, and 2.0.0 to 2.0.15. The flaw resided in the DMP dissector, potentially causing a crash.

The Impact of CVE-2017-15191

The vulnerability could be exploited to trigger a crash in affected versions of Wireshark, impacting the stability and functionality of the software.

Technical Details of CVE-2017-15191

Explore the technical aspects of CVE-2017-15191.

Vulnerability Description

The vulnerability in Wireshark versions mentioned above was due to inadequate validation of string length in the epan/dissectors/packet-dmp.c file.

Affected Systems and Versions

Wireshark 2.4.0 to 2.4.1
Wireshark 2.2.0 to 2.2.9
Wireshark 2.0.0 to 2.0.15

Exploitation Mechanism

By exploiting the vulnerability in the DMP dissector, attackers could potentially cause a crash in the affected Wireshark versions.

Mitigation and Prevention

Learn how to address and prevent CVE-2017-15191.

Immediate Steps to Take

Users should update Wireshark to the latest patched version to mitigate the vulnerability.
Regularly monitor for security advisories and apply updates promptly.

Long-Term Security Practices

Employ network segmentation to limit the impact of potential security breaches.
Conduct regular security audits and penetration testing to identify vulnerabilities.

Patching and Updates

Ensure that Wireshark is regularly updated to the latest version to patch known vulnerabilities and enhance security measures.