Discover the details of CVE-2021-3597, a vulnerability in Undertow versions prior to 2.0.35.SP1, 2.2.6.SP1, 2.2.7.SP1, 2.0.36.SP1, 2.2.9.Final, and 2.0.39.Final, leading to denial of service.
A detailed analysis of CVE-2021-3597, a vulnerability found in Undertow affecting versions prior to 2.0.35.SP1, 2.2.6.SP1, 2.2.7.SP1, 2.0.36.SP1, 2.2.9.Final, and 2.0.39.Final.
Understanding CVE-2021-3597
This section covers what CVE-2021-3597 is all about and its implications.
What is CVE-2021-3597?
CVE-2021-3597 is a flaw in Undertow where the HTTP2SourceChannel fails to write the final frame, leading to denial of service.
The Impact of CVE-2021-3597
The primary threat posed by this vulnerability is availability, potentially disrupting services.
Technical Details of CVE-2021-3597
Explore the technical aspects of the vulnerability.
Vulnerability Description
The flaw arises from HTTP2SourceChannel's failure to write the final frame under specific circumstances.
Affected Systems and Versions
Undertow versions earlier than 2.0.35.SP1, 2.2.6.SP1, 2.2.7.SP1, 2.0.36.SP1, 2.2.9.Final, and 2.0.39.Final are impacted.
Exploitation Mechanism
The exploitation of this vulnerability can result in a denial of service, affecting system availability.
Mitigation and Prevention
Learn how to address and prevent CVE-2021-3597.
Immediate Steps to Take
Organizations should apply patches promptly and monitor for any signs of exploitation.
Long-Term Security Practices
Implement robust security measures to safeguard against similar vulnerabilities in the future.
Patching and Updates
Regularly update Undertow to the latest secure versions to mitigate the risks associated with CVE-2021-3597.