CVE-2021-4185 : What You Need to Know
Discover the impact of CVE-2021-4185 on Wireshark versions 3.6.0 and 3.4.0 to 3.4.10. Learn about the technical details, affected systems, and mitigation steps for this high-severity vulnerability.
Wireshark 3.6.0 and 3.4.0 to 3.4.10 is vulnerable to an infinite loop in the RTMPT dissector, allowing denial of service attacks. Find out more about the impact, technical details, and mitigation steps below.
Understanding CVE-2021-4185
This section provides insight into the CVE-2021-4185 vulnerability affecting Wireshark.
What is CVE-2021-4185?
The CVE-2021-4185 vulnerability involves an infinite loop in the RTMPT dissector of Wireshark, allowing attackers to trigger denial of service by using packet injection or a crafted capture file.
The Impact of CVE-2021-4185
The vulnerability can have a high impact on affected systems, leading to denial of service when exploited by malicious actors.
Technical Details of CVE-2021-4185
Explore the technical aspects of the CVE-2021-4185 vulnerability to understand its implications.
Vulnerability Description
The vulnerability stems from an infinite loop condition in the RTMPT dissector of Wireshark versions 3.6.0 and 3.4.0 to 3.4.10.
Affected Systems and Versions
Wireshark versions 3.6.0 and 3.4.0 to 3.4.10 are impacted by this vulnerability, exposing them to potential denial of service attacks.
Exploitation Mechanism
Attackers can exploit this vulnerability by utilizing packet injection or a specially crafted capture file to trigger the infinite loop in the RTMPT dissector.
Mitigation and Prevention
Learn about the steps you can take to mitigate the risks associated with CVE-2021-4185 and prevent potential exploitation.
Immediate Steps to Take
To address the CVE-2021-4185 vulnerability, users are advised to apply security patches promptly and monitor network traffic for any suspicious activities.
Long-Term Security Practices
Implementing robust network monitoring, access control measures, and regular security updates can help enhance the overall security posture.
Patching and Updates
Stay informed about security advisories and updates released by Wireshark to patch the CVE-2021-4185 vulnerability and protect your systems.