CVE-2021-3916 Explained : Impact and Mitigation
Learn about CVE-2021-3916 impacting bookstackapp/bookstack container. Understand the path traversal vulnerability, its impact, affected versions, and mitigation steps.
A detailed overview of the CVE-2021-3916 vulnerability found in the bookstackapp/bookstack container.
Understanding CVE-2021-3916
This section will delve into the specifics of the CVE affecting the bookstackapp/bookstack container.
What is CVE-2021-3916?
The vulnerability in the bookstackapp/bookstack container is due to Improper Limitation of a Pathname to a Restricted Directory, also known as 'Path Traversal'.
The Impact of CVE-2021-3916
The vulnerability is classified as medium severity with a CVSS base score of 6.5. It poses a high risk to confidentiality.
Technical Details of CVE-2021-3916
Explore the technical details surrounding the CVE-2021-3916 vulnerability.
Vulnerability Description
bookstackapp/bookstack is susceptible to path traversal attacks that could lead to unauthorized access to restricted directories.
Affected Systems and Versions
The vulnerability impacts versions of bookstackapp/bookstack less than 21.10.3.
Exploitation Mechanism
The vulnerability can be exploited remotely with low attack complexity and no user interaction required.
Mitigation and Prevention
Discover the necessary steps to mitigate the CVE-2021-3916 vulnerability in bookstackapp/bookstack.
Immediate Steps to Take
Users are advised to update to version 21.10.3 or newer to prevent exploitation of the path traversal vulnerability.
Long-Term Security Practices
Implement secure coding practices and regular security reviews to prevent similar vulnerabilities in the future.
Patching and Updates
Regularly monitor for security patches and updates from bookstackapp to address known vulnerabilities.