CVE-2021-31731 Explained : Impact and Mitigation
Discover how CVE-2021-31731 allows remote administrators to overwrite files via directory traversal in KiteCMS 1.1.1. Learn about the impact, affected systems, exploitation, and mitigation steps.
A directory traversal issue in KiteCMS 1.1.1 allows remote administrators to overwrite arbitrary files via '../' in the path parameter to index.php/admin/Template/fileedit, with PHP code in the html parameter.
Understanding CVE-2021-31731
This CVE identifies a directory traversal vulnerability in KiteCMS 1.1.1 that enables remote administrators to manipulate files on the server.
What is CVE-2021-31731?
The vulnerability in KiteCMS 1.1.1 permits remote administrators to overwrite any file by exploiting a flaw in the handling of path parameters.
The Impact of CVE-2021-31731
The impact of this vulnerability is significant as it allows attackers to inject malicious PHP code into files, potentially leading to system compromise.
Technical Details of CVE-2021-31731
This section delves into the specifics of the vulnerability, affected systems, and the exploitation mechanism.
Vulnerability Description
The flaw in KiteCMS 1.1.1 can be exploited by remote administrators to overwrite arbitrary files through the path parameter manipulation.
Affected Systems and Versions
KiteCMS version 1.1.1 is specifically impacted by this vulnerability, potentially affecting systems that utilize this version of the content management system.
Exploitation Mechanism
By inserting '../' in the path parameter to index.php/admin/Template/fileedit, malicious users can inject PHP code into the html parameter, allowing them to overwrite files.
Mitigation and Prevention
To safeguard systems from CVE-2021-31731, immediate steps should be taken along with the implementation of long-term security practices and regular patching.
Immediate Steps to Take
It is advised to update KiteCMS to a patched version immediately to mitigate the risk associated with this directory traversal vulnerability.
Long-Term Security Practices
Incorporating secure coding practices, access control mechanisms, and routine security audits can help prevent similar security flaws in the future.
Patching and Updates
Regularly applying security patches and staying updated on the latest software releases is crucial to maintaining system security and protecting against known vulnerabilities.