CVE-2018-9265 : What You Need to Know

A memory leak vulnerability was identified in Wireshark versions 2.4.0 to 2.4.5 and 2.2.0 to 2.2.13, specifically in the epan/dissectors/packet-tn3270.c file.

Understanding CVE-2018-9265

This CVE involves a memory leak issue in Wireshark versions 2.4.0 to 2.4.5 and 2.2.0 to 2.2.13.

What is CVE-2018-9265?

Wireshark versions 2.4.0 to 2.4.5 and 2.2.0 to 2.2.13 are affected by a memory leak vulnerability in the epan/dissectors/packet-tn3270.c file.

The Impact of CVE-2018-9265

This vulnerability could allow an attacker to cause a denial of service (DoS) by consuming excessive memory resources on the affected system.

Technical Details of CVE-2018-9265

Wireshark versions 2.4.0 to 2.4.5 and 2.2.0 to 2.2.13 are susceptible to a memory leak vulnerability.

Vulnerability Description

The epan/dissectors/packet-tn3270.c file in the mentioned Wireshark versions contains a memory leak.

Affected Systems and Versions

Wireshark versions 2.4.0 to 2.4.5
Wireshark versions 2.2.0 to 2.2.13

Exploitation Mechanism

Attackers can exploit this vulnerability to launch DoS attacks by causing the affected system to exhaust memory resources.

Mitigation and Prevention

To address CVE-2018-9265, follow these mitigation strategies:

Immediate Steps to Take

Update Wireshark to the latest patched version.
Monitor system resources for unusual memory consumption.

Long-Term Security Practices

Regularly update software and security patches.
Implement network segmentation to contain potential attacks.

Patching and Updates

Apply official patches provided by Wireshark to fix the memory leak vulnerability.