CVE-2017-15192 : Vulnerability Insights and Analysis

Wireshark versions 2.4.0 to 2.4.1 and 2.2.0 to 2.2.9 were vulnerable to a crash due to issues in the BT ATT dissector. Learn about the impact, technical details, and mitigation steps.

Understanding CVE-2017-15192

This CVE entry addresses a vulnerability in Wireshark versions 2.4.0 to 2.4.1 and 2.2.0 to 2.2.9 related to the BT ATT dissector.

What is CVE-2017-15192?

The BT ATT dissector in Wireshark versions 2.4.0 to 2.4.1 and 2.2.0 to 2.2.9 had a vulnerability that could lead to a crash. The issue was resolved by modifying the code in epan/dissectors/packet-btatt.c to handle situations where the BTATT packets do not all have the same encapsulation level.

The Impact of CVE-2017-15192

The vulnerability could result in a crash of Wireshark when processing BT ATT packets, potentially leading to denial of service or other adverse effects.

Technical Details of CVE-2017-15192

Wireshark versions 2.4.0 to 2.4.1 and 2.2.0 to 2.2.9 were affected by the following:

Vulnerability Description

The BT ATT dissector vulnerability could cause Wireshark to crash, impacting the stability and functionality of the software.

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 crafting malicious BT ATT packets to trigger the crash in Wireshark.

Mitigation and Prevention

To address CVE-2017-15192, consider the following steps:

Immediate Steps to Take

Update Wireshark to the latest patched version.
Avoid opening suspicious or untrusted network captures.

Long-Term Security Practices

Regularly update Wireshark and other software to patch known vulnerabilities.
Implement network monitoring and intrusion detection systems to identify unusual network activity.

Patching and Updates

Ensure timely installation of software updates and security patches to mitigate the risk of exploitation.