CVE-2022-43237 : Vulnerability Insights and Analysis
Discover the stack-buffer-overflow vulnerability in Libde265 v1.0.8 via void put_epel_hv_fallback<unsigned short>, enabling DoS attacks through manipulated video files. Learn how to mitigate CVE-2022-43237.
A stack-buffer-overflow vulnerability was found in Libde265 v1.0.8, specifically in the function 'put_epel_hv_fallback<unsigned short>' in the file 'fallback-motion.cc'. This vulnerability can be exploited by attackers to trigger a Denial of Service (DoS) using a manipulated video file.
Understanding CVE-2022-43237
In this section, we will explore the details of CVE-2022-43237, including the vulnerability description, impact, affected systems, and mitigation techniques.
What is CVE-2022-43237?
The CVE-2022-43237 is a stack-buffer-overflow vulnerability in Libde265 v1.0.8, allowing attackers to perform a DoS attack via a crafted video file.
The Impact of CVE-2022-43237
The impact of this vulnerability is the ability for threat actors to cause a Denial of Service (DoS) on systems running the affected version of Libde265 v1.0.8.
Technical Details of CVE-2022-43237
Let's delve into the technical aspects of CVE-2022-43237, including the vulnerability description, affected systems, and how it can be exploited.
Vulnerability Description
The vulnerability exists in the 'put_epel_hv_fallback<unsigned short>' function in 'fallback-motion.cc' of Libde265 v1.0.8, leading to a stack-buffer-overflow.
Affected Systems and Versions
The affected version includes Libde265 v1.0.8, and exploitation could result in a Denial of Service (DoS) attack.
Exploitation Mechanism
Attackers can exploit this vulnerability by uploading a specially crafted video file to trigger the stack-buffer-overflow.
Mitigation and Prevention
In this section, we discuss the steps to mitigate the risks posed by CVE-2022-43237 and prevent potential exploitation.
Immediate Steps to Take
Users are advised to update to a non-vulnerable version of Libde265 and avoid opening video files from untrusted sources to mitigate the risk of exploitation.
Long-Term Security Practices
Implementing secure coding practices and regularly updating software are essential for maintaining system security and preventing future vulnerabilities.
Patching and Updates
Stay informed about security updates released by Libde265 and promptly apply patches to eliminate known vulnerabilities.