CVE-2019-10902 : Vulnerability Insights and Analysis

Wireshark 3.0.0 had a vulnerability in the TSDNS dissector that could lead to crashes. The issue has been resolved by implementing safe string splitting in epan/dissectors/packet-tsdns.c.

Understanding CVE-2019-10902

This CVE entry addresses a specific vulnerability in Wireshark 3.0.0.

What is CVE-2019-10902?

CVE-2019-10902 is a vulnerability in Wireshark 3.0.0 that could cause the TSDNS dissector to crash. The problem was mitigated by ensuring safe string splitting in the affected code.

The Impact of CVE-2019-10902

The vulnerability could potentially lead to crashes in Wireshark 3.0.0, affecting the stability and functionality of the software.

Technical Details of CVE-2019-10902

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

Vulnerability Description

The vulnerability in Wireshark 3.0.0 was due to unsafe string handling in the TSDNS dissector, which could result in crashes.

Affected Systems and Versions

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

Exploitation Mechanism

The vulnerability could be exploited by crafting malicious network packets that trigger the unsafe string operations in the TSDNS dissector.

Mitigation and Prevention

Protecting systems from CVE-2019-10902 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update Wireshark to the latest version that includes the fix for CVE-2019-10902.
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 traffic.

Patching and Updates

Ensure that all software, including Wireshark, is regularly updated to the latest versions to prevent known vulnerabilities from being exploited.