CVE-2021-33498 : Security Advisory and Response
Discover how CVE-2021-33498 impacts Pexip Infinity software, allowing remote attackers to exploit missing H.264 input validation, potentially leading to denial of service attacks.
A denial of service vulnerability in Pexip Infinity before version 26 has been identified, stemming from missing H.264 input validation.
Understanding CVE-2021-33498
This CVE-2021-33498 vulnerability affects Pexip Infinity versions prior to 26, allowing remote attackers to trigger a denial of service attack due to inadequate H.264 input validation.
What is CVE-2021-33498?
Pexip Infinity software versions preceding 26 are impacted by a security flaw that enables remote threat actors to execute denial of service attacks by exploiting insufficient H.264 input validation.
The Impact of CVE-2021-33498
The absence of proper validation for H.264 input in Pexip Infinity before version 26 creates a vulnerability that can be leveraged by remote attackers to launch denial of service attacks, potentially disrupting service availability.
Technical Details of CVE-2021-33498
This section outlines the specifics of the CVE-2021-33498 vulnerability.
Vulnerability Description
The vulnerability arises from a lack of adequate validation of H.264 input in Pexip Infinity software versions preceding 26.
Affected Systems and Versions
Pexip Infinity versions earlier than 26 are affected by this vulnerability.
Exploitation Mechanism
Remote threat actors exploit the inadequate validation of H.264 input in vulnerable Pexip Infinity software versions to carry out denial of service attacks.
Mitigation and Prevention
To safeguard systems from CVE-2021-33498, proactive measures and ongoing security practices are recommended.
Immediate Steps to Take
Users should update Pexip Infinity to version 26 or newer to mitigate the risk of exploitation through denial of service attacks.
Long-Term Security Practices
Implementing comprehensive security protocols and staying updated on patches and security advisories can enhance resilience against such vulnerabilities.
Patching and Updates
Regularly applying patches and software updates provided by Pexip is crucial to address known security vulnerabilities and protect systems from exploitation.