CVE-2018-7324 : Exploit Details and Defense Strategies

Wireshark versions 2.4.0 to 2.4.4 and 2.2.0 to 2.2.12 were affected by an infinite loop vulnerability in epan/dissectors/packet-sccp.c, which has been fixed by correcting the integer data type.

Understanding CVE-2018-7324

This CVE entry addresses a specific vulnerability in Wireshark versions 2.4.0 to 2.4.4 and 2.2.0 to 2.2.12.

What is CVE-2018-7324?

The vulnerability in Wireshark versions 2.4.0 to 2.4.4 and 2.2.0 to 2.2.12 allowed an infinite loop to occur due to incorrect integer data type handling in epan/dissectors/packet-sccp.c.

The Impact of CVE-2018-7324

The vulnerability could potentially lead to denial of service (DoS) by causing the affected Wireshark versions to enter an infinite loop, consuming system resources.

Technical Details of CVE-2018-7324

Wireshark versions 2.4.0 to 2.4.4 and 2.2.0 to 2.2.12 were affected by this vulnerability.

Vulnerability Description

The issue stemmed from incorrect integer data type usage in epan/dissectors/packet-sccp.c, resulting in an infinite loop.

Affected Systems and Versions

Wireshark 2.4.0 to 2.4.4
Wireshark 2.2.0 to 2.2.12

Exploitation Mechanism

An attacker could exploit this vulnerability by crafting a malicious packet that triggers the infinite loop in the affected Wireshark versions.

Mitigation and Prevention

To address CVE-2018-7324, follow these steps:

Immediate Steps to Take

Update Wireshark to the latest patched version.
Monitor network traffic for any signs of exploitation.

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 timely installation of security updates and patches provided by Wireshark to mitigate the CVE-2018-7324 vulnerability.