CVE-2018-7330 : What You Need to Know
Learn about CVE-2018-7330 affecting Wireshark versions 2.4.0 to 2.4.4 and 2.2.0 to 2.2.12. Find out the impact, affected systems, exploitation, and mitigation steps.
Wireshark versions 2.4.0 to 2.4.4 and 2.2.0 to 2.2.12 were affected by an infinite loop issue in epan/dissectors/packet-thread.c, which was resolved by correcting the integer data type.
Understanding CVE-2018-7330
This CVE entry addresses a vulnerability in Wireshark versions 2.4.0 to 2.4.4 and 2.2.0 to 2.2.12 related to an infinite loop in a specific file.
What is CVE-2018-7330?
The vulnerability in Wireshark versions 2.4.0 to 2.4.4 and 2.2.0 to 2.2.12 allowed for an infinite loop due to incorrect integer data type handling in epan/dissectors/packet-thread.c.
The Impact of CVE-2018-7330
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-2018-7330
Wireshark versions 2.4.0 to 2.4.4 and 2.2.0 to 2.2.12 were susceptible to an infinite loop issue in epan/dissectors/packet-thread.c.
Vulnerability Description
The vulnerability stemmed from incorrect handling of integer data types in the mentioned file, leading to an infinite loop.
Affected Systems and Versions
- Wireshark versions 2.4.0 to 2.4.4
- Wireshark versions 2.2.0 to 2.2.12
Exploitation Mechanism
Exploiting this vulnerability could allow an attacker to craft a malicious network packet that triggers the infinite loop, causing a DoS condition.
Mitigation and Prevention
To address CVE-2018-7330, follow these steps:
Immediate Steps to Take
- Update Wireshark to versions 2.4.5 or newer for the 2.4.x branch, and versions 2.2.13 or newer for the 2.2.x branch.
- Monitor network traffic for any signs of abnormal behavior that could indicate exploitation.
Long-Term Security Practices
- Regularly update Wireshark and other software to the latest versions to patch known vulnerabilities.
- Implement network monitoring and intrusion detection systems to detect and mitigate potential threats.
Patching and Updates
- Apply official patches provided by Wireshark promptly to address the vulnerability and prevent exploitation.