CVE-2021-25864 : Exploit Details and Defense Strategies
Understand the impact of CVE-2021-25864, a Directory Traversal vulnerability in node-red-contrib-huemagic 3.0.0. Learn about affected systems, exploitation, and mitigation steps.
This article provides detailed information about CVE-2021-25864, a vulnerability in node-red-contrib-huemagic 3.0.0 that allows for Directory Traversal. Learn about the impact, technical details, and mitigation steps to secure your systems.
Understanding CVE-2021-25864
This section explores the significance of the CVE-2021-25864 vulnerability in node-red-contrib-huemagic 3.0.0.
What is CVE-2021-25864?
CVE-2021-25864 relates to a Directory Traversal issue in node-red-contrib-huemagic 3.0.0, enabling attackers to retrieve arbitrary files via the res.sendFile API.
The Impact of CVE-2021-25864
The vulnerability allows threat actors to access unauthorized files, potentially leading to data leakage, unauthorized data modification, or system compromise.
Technical Details of CVE-2021-25864
This section delves into the technical aspects of CVE-2021-25864.
Vulnerability Description
The flaw in the res.sendFile API in hue-magic.js can be exploited to traverse directories and access sensitive files outside of the intended scope.
Affected Systems and Versions
Node-red-contrib-huemagic 3.0.0 is the affected version by this vulnerability, putting systems leveraging this version at risk.
Exploitation Mechanism
By manipulating the hue/assets/..%2F path in the res.sendFile API, malicious users can retrieve files that are not meant to be exposed.
Mitigation and Prevention
In this section, discover how to mitigate the risks associated with CVE-2021-25864.
Immediate Steps to Take
Users are advised to update to a secure version, restrict access to the vulnerable API, and implement proper input validation mechanisms.
Long-Term Security Practices
Establishing secure coding practices, conducting regular security audits, and staying informed about security patches are crucial for long-term protection.
Patching and Updates
Keep systems up to date with the latest security patches and version upgrades to address known vulnerabilities and enhance overall cybersecurity.