CVE-2019-13082 : Vulnerability Insights and Analysis
Learn about CVE-2019-13082 affecting Chamilo LMS versions 1.11.8 and 2.x, allowing remote code execution through an unauthenticated file upload feature. Find mitigation steps and preventive measures.
Chamilo LMS versions 1.11.8 and 2.x are affected by a remote code execution vulnerability due to an unauthenticated file upload feature in lp_upload.php. This allows attackers to upload malicious files leading to remote code execution.
Understanding CVE-2019-13082
This CVE identifies a critical vulnerability in Chamilo LMS versions 1.11.8 and 2.x that enables remote code execution through a specific file upload feature.
What is CVE-2019-13082?
The vulnerability arises from an unauthenticated file upload capability in lp_upload.php, allowing attackers to upload malicious files, potentially leading to remote code execution.
The Impact of CVE-2019-13082
The vulnerability enables attackers to upload a .php file within a folder, package it into a ZIP archive, and exploit the server's lack of verification, resulting in remote code execution.
Technical Details of CVE-2019-13082
Chamilo LMS versions 1.11.8 and 2.x are susceptible to remote code execution due to the following technical details:
Vulnerability Description
The vulnerability stems from an unauthenticated file upload feature in lp_upload.php, allowing malicious file uploads and subsequent remote code execution.
Affected Systems and Versions
- Chamilo LMS versions 1.11.8 and 2.x
Exploitation Mechanism
- Attackers can upload a .php file within a folder, package it into a ZIP archive, and exploit the lack of server verification to achieve remote code execution.
Mitigation and Prevention
To address CVE-2019-13082, consider the following mitigation strategies:
Immediate Steps to Take
- Disable the lp_upload.php feature temporarily if not essential.
- Implement file type and content validation for uploaded files.
- Regularly monitor and review uploaded files for suspicious content.
Long-Term Security Practices
- Conduct regular security audits and penetration testing.
- Educate users on safe file uploading practices.
Patching and Updates
- Apply patches and updates provided by Chamilo LMS to fix the vulnerability.