CVE-2020-15466 Explained : Impact and Mitigation

Wireshark 3.2.0 to 3.2.4 is affected by a vulnerability in the GVCP dissector that could lead to an infinite loop. The issue has been resolved by ensuring offset increases in all scenarios.

Understanding CVE-2020-15466

This CVE entry pertains to a specific vulnerability found in Wireshark versions 3.2.0 to 3.2.4.

What is CVE-2020-15466?

CVE-2020-15466 is a vulnerability in the GVCP dissector of Wireshark versions 3.2.0 to 3.2.4 that could cause the dissector to enter an infinite loop, potentially leading to denial of service or other security implications.

The Impact of CVE-2020-15466

The vulnerability could be exploited by an attacker to trigger an infinite loop in the GVCP dissector, affecting the availability and stability of the Wireshark application.

Technical Details of CVE-2020-15466

Wireshark 3.2.0 to 3.2.4 is affected by the following technical details:

Vulnerability Description

The issue arises from the GVCP dissector's potential to enter an infinite loop, impacting the application's functionality.

Affected Systems and Versions

Wireshark versions 3.2.0 to 3.2.4

Exploitation Mechanism

The vulnerability can be exploited by crafting a malicious network packet that triggers the infinite loop in the GVCP dissector.

Mitigation and Prevention

To address CVE-2020-15466, consider the following steps:

Immediate Steps to Take

Update Wireshark to a patched version that addresses the vulnerability.
Monitor network traffic for any signs of exploitation.

Long-Term Security Practices

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

Patching and Updates

Apply security patches provided by Wireshark promptly to mitigate the risk of exploitation.