CVE-2017-15193 : Security Advisory and Response

Wireshark versions 2.4.0 to 2.4.1 and 2.2.0 to 2.2.9 were affected by a vulnerability in the MBIM dissector that could lead to system crashes or memory exhaustion.

Understanding CVE-2017-15193

This CVE entry pertains to a vulnerability in Wireshark versions 2.4.0 to 2.4.1 and 2.2.0 to 2.2.9 related to the MBIM dissector.

What is CVE-2017-15193?

The MBIM dissector in Wireshark versions 2.4.0 to 2.4.1 and 2.2.0 to 2.2.9 had a potential issue where it could cause a crash or utilize all available system memory.

The Impact of CVE-2017-15193

The vulnerability could result in system crashes or the exhaustion of available memory, potentially leading to denial of service.

Technical Details of CVE-2017-15193

This section provides technical details about the CVE-2017-15193 vulnerability.

Vulnerability Description

The MBIM dissector in Wireshark versions 2.4.0 to 2.4.1 and 2.2.0 to 2.2.9 had a flaw that could cause crashes or memory exhaustion.

Affected Systems and Versions

Wireshark versions 2.4.0 to 2.4.1
Wireshark versions 2.2.0 to 2.2.9

Exploitation Mechanism

The vulnerability could be exploited by a remote attacker sending specially crafted packets to the affected system, triggering the crash or memory exhaustion.

Mitigation and Prevention

Steps to address and prevent the CVE-2017-15193 vulnerability.

Immediate Steps to Take

Update Wireshark to a non-vulnerable version.
Apply patches provided by Wireshark to fix the issue.

Long-Term Security Practices

Regularly update Wireshark and other software to the latest versions.
Implement network segmentation to limit the impact of potential attacks.

Patching and Updates

Wireshark released patches addressing the vulnerability in versions 2.4.2 and 2.2.10.