CVE-2021-3903 : Security Advisory and Response
Get detailed insights into CVE-2021-3903, a Heap-based Buffer Overflow vulnerability in vim/vim with a CVSS base score of 7.3. Learn about its impact, affected systems, exploitation, and mitigation steps.
A detailed overview of the Heap-based Buffer Overflow vulnerability in vim/vim.
Understanding CVE-2021-3903
This section provides insights into the vulnerability, its impact, technical details, and mitigation strategies.
What is CVE-2021-3903?
vim/vim is susceptible to a Heap-based Buffer Overflow, posing a high severity risk with a CVSS base score of 7.3.
The Impact of CVE-2021-3903
The vulnerability allows attackers to cause a Heap-based Buffer Overflow, potentially leading to high integrity impact and service unavailability.
Technical Details of CVE-2021-3903
Here are the specific technical aspects related to the CVE-2021-3903 vulnerability.
Vulnerability Description
The Heap-based Buffer Overflow in vim/vim enables attackers to execute arbitrary code or crash the application.
Affected Systems and Versions
The vulnerability affects vim versions prior to 8.2.3564, with an unspecified custom version.
Exploitation Mechanism
The vulnerability can be exploited locally, with no specific privileges required but necessitates user interaction.
Mitigation and Prevention
Learn how to safeguard your systems against the CVE-2021-3903 vulnerability.
Immediate Steps to Take
Users should update vim to version 8.2.3564 or higher to mitigate the Heap-based Buffer Overflow.
Long-Term Security Practices
Implementing secure coding practices and regular security assessments can enhance overall system resilience.
Patching and Updates
Stay informed about security advisories and promptly apply patches to ensure protection against known vulnerabilities.