CVE-2018-11362 : Vulnerability Insights and Analysis

Wireshark versions 2.6.0, 2.4.0 to 2.4.6, and 2.2.0 to 2.2.14 were affected by a crash issue in the LDSS dissector due to a buffer over-read problem.

Understanding CVE-2018-11362

What is CVE-2018-11362?

The LDSS dissector in specific versions of Wireshark had a vulnerability that could lead to a crash. The issue was related to a buffer over-read when encountering a missing '\0' character.

The Impact of CVE-2018-11362

This vulnerability could potentially cause Wireshark to crash, impacting the availability and reliability of network analysis.

Technical Details of CVE-2018-11362

Vulnerability Description

The LDSS dissector in Wireshark versions 2.6.0, 2.4.0 to 2.4.6, and 2.2.0 to 2.2.14 was susceptible to a crash due to a buffer over-read issue.

Affected Systems and Versions

Wireshark 2.6.0
Wireshark 2.4.0 to 2.4.6
Wireshark 2.2.0 to 2.2.14

Exploitation Mechanism

The vulnerability could be exploited by triggering the LDSS dissector in the affected Wireshark versions, leading to a crash.

Mitigation and Prevention

Immediate Steps to Take

Update Wireshark to the latest version to patch the vulnerability.
Avoid opening suspicious or untrusted capture files.
Monitor vendor advisories for any security updates.

Long-Term Security Practices

Regularly update and patch all software and applications.
Implement network segmentation to contain potential threats.
Conduct regular security audits and penetration testing.

Patching and Updates

Ensure that Wireshark is regularly updated to the latest version to mitigate the CVE-2018-11362 vulnerability.