CVE-2019-10900 : What You Need to Know

Wireshark 3.0.0 had a vulnerability in the Rbm dissector that could lead to an endless loop. The issue was addressed by implementing a safe approach in epan/dissectors/file-rbm.c.

Understanding CVE-2019-10900

This CVE entry pertains to a specific vulnerability found in Wireshark 3.0.0.

What is CVE-2019-10900?

In Wireshark 3.0.0, the Rbm dissector had the potential to enter an endless loop due to handling unknown object types unsafely.

The Impact of CVE-2019-10900

The vulnerability could potentially cause the Wireshark application to become unresponsive or crash, impacting its usability and potentially leading to denial of service.

Technical Details of CVE-2019-10900

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

Vulnerability Description

The issue in Wireshark 3.0.0 allowed the Rbm dissector to go into an infinite loop, affecting the application's functionality.

Affected Systems and Versions

Product: Wireshark 3.0.0
Vendor: N/A
Version: N/A

Exploitation Mechanism

The vulnerability could be exploited by crafting a malicious network packet that triggers the Rbm dissector to enter the endless loop, causing the application to hang or crash.

Mitigation and Prevention

To address CVE-2019-10900 and enhance overall security, consider the following steps:

Immediate Steps to Take

Update Wireshark to the latest version that includes the fix for this vulnerability.
Avoid opening suspicious or untrusted network capture files.

Long-Term Security Practices

Regularly update Wireshark and other software to patch known vulnerabilities.
Implement network segmentation to limit the impact of potential attacks.

Patching and Updates

Ensure that Wireshark is kept up to date with the latest security patches to mitigate the risk of exploitation.