CVE-2018-9264 : Exploit Details and Defense Strategies

Wireshark 2.4.0 to 2.4.5 and 2.2.0 to 2.2.13 were vulnerable to a heap-based buffer overflow in the ADB dissector, leading to crashes. The issue was resolved in versions 2.4.6 to 2.4.11 and 2.2.14 to 2.2.19 by implementing a length consistency check.

Understanding CVE-2018-9264

This CVE addresses a vulnerability in Wireshark related to the ADB dissector.

What is CVE-2018-9264?

The vulnerability in Wireshark versions allowed a heap-based buffer overflow in the ADB dissector, potentially leading to crashes.

The Impact of CVE-2018-9264

The vulnerability could be exploited by an attacker to cause a denial of service (DoS) by crashing the Wireshark application.

Technical Details of CVE-2018-9264

Wireshark vulnerability details and affected systems.

Vulnerability Description

The ADB dissector in Wireshark versions 2.4.0 to 2.4.5 and 2.2.0 to 2.2.13 was susceptible to a heap-based buffer overflow.

Affected Systems and Versions

Vulnerable: Wireshark 2.4.0 to 2.4.5, 2.2.0 to 2.2.13
Patched: Wireshark 2.4.6 to 2.4.11, 2.2.14 to 2.2.19

Exploitation Mechanism

The vulnerability could be exploited by crafting a malicious ADB packet to trigger the buffer overflow, potentially leading to a crash.

Mitigation and Prevention

Steps to mitigate and prevent exploitation of CVE-2018-9264.

Immediate Steps to Take

Update Wireshark to the patched versions (2.4.6 to 2.4.11, 2.2.14 to 2.2.19).
Avoid opening suspicious ADB packets from untrusted sources.

Long-Term Security Practices

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

Patching and Updates

Apply patches provided by Wireshark promptly to address known vulnerabilities and improve overall security.