CVE-2018-20795 : What You Need to Know

Tecrail Responsive FileManager version 9.13.4 is vulnerable to a path traversal issue that allows unauthorized access to files. This CVE was published on February 25, 2019.

Understanding CVE-2018-20795

This CVE identifies a security vulnerability in tecrail Responsive FileManager version 9.13.4 that enables malicious actors to read unauthorized files through path traversal.

What is CVE-2018-20795?

The vulnerability in tecrail Responsive FileManager version 9.13.4 allows attackers to access and read files they are not authorized to view by exploiting the path parameter. The specific affected areas are the copy_cut action in ajax_calls.php and the paste_clipboard action in execute.php.

The Impact of CVE-2018-20795

This vulnerability poses a significant risk as it can lead to unauthorized access to sensitive files, potentially compromising the confidentiality and integrity of data stored on the affected system.

Technical Details of CVE-2018-20795

Tecrail Responsive FileManager version 9.13.4 is susceptible to exploitation due to the following technical details:

Vulnerability Description

The issue arises from a path traversal vulnerability that allows remote attackers to read arbitrary files by manipulating the path parameter in the copy_cut and paste_clipboard actions.

Affected Systems and Versions

Product: tecrail Responsive FileManager
Version: 9.13.4

Exploitation Mechanism

The vulnerability can be exploited by sending crafted requests with manipulated path parameters to the copy_cut and paste_clipboard actions, enabling unauthorized file access.

Mitigation and Prevention

To address CVE-2018-20795 and enhance system security, consider the following mitigation strategies:

Immediate Steps to Take

Disable or restrict access to the affected functionalities in ajax_calls.php and execute.php.
Implement input validation to sanitize user-supplied input and prevent path traversal attacks.

Long-Term Security Practices

Regularly update tecrail Responsive FileManager to the latest secure version.
Conduct security assessments and penetration testing to identify and remediate vulnerabilities.

Patching and Updates

Apply patches or security updates provided by tecrail for Responsive FileManager to fix the path traversal vulnerability and enhance system security.