Learn about CVE-2021-4192, a Use After Free vulnerability in vim/vim that can lead to code execution or denial of service. Find out the impact, affected systems, and mitigation steps.
A detailed overview of CVE-2021-4192, a vulnerability found in vim/vim that could lead to Use After Free exploitation.
Understanding CVE-2021-4192
This section explores the impact, technical details, and mitigation strategies related to CVE-2021-4192.
What is CVE-2021-4192?
vim/vim is affected by a Use After Free vulnerability, potentially allowing attackers to execute arbitrary code or cause a denial of service.
The Impact of CVE-2021-4192
The vulnerability in vim/vim can result in a medium severity attack, with a CVSS base score of 5.5. It requires user interaction and could lead to high confidentiality impact.
Technical Details of CVE-2021-4192
Learn more about the specifics of the vulnerability in vim/vim.
Vulnerability Description
The vulnerability stems from the mismanagement of memory, leading to a situation where an attacker can exploit the memory space after it has been freed.
Affected Systems and Versions
This vulnerability affects vim/vim versions prior to 8.2, with the exact version unspecified. Users with custom versioning are also at risk.
Exploitation Mechanism
Attackers can exploit this vulnerability by crafting malicious inputs to trigger the Use After Free condition in vim/vim.
Mitigation and Prevention
Discover the steps to protect your systems and data from CVE-2021-4192.
Immediate Steps to Take
Users should update their vim/vim installations to version 8.2 or above to mitigate the risk of exploitation.
Long-Term Security Practices
Implement secure coding practices, regular security audits, and user awareness training to enhance overall cybersecurity posture.
Patching and Updates
Stay informed about security updates and patches released by vim/vim to address known vulnerabilities and protect your systems.