CVE-2019-15751 Explained : Impact and Mitigation

A vulnerability has been discovered in version 6.2.1 of SITOS six Build, allowing remote attackers to execute arbitrary code by uploading a SCORM file with an executable extension. This flaw enables unauthenticated attackers to upload harmful files containing PHP code capable of executing OS commands.

Understanding CVE-2019-15751

This CVE identifies an unrestricted file upload vulnerability in SITOS six Build v6.2.1, posing a risk of remote code execution.

What is CVE-2019-15751?

The vulnerability in SITOS six Build v6.2.1 permits remote attackers to execute arbitrary code by uploading a SCORM file with an executable extension. Unauthenticated attackers can upload malicious files containing PHP code to the application's web root.

The Impact of CVE-2019-15751

Remote attackers can execute arbitrary code on the affected system
Unauthenticated attackers can upload harmful files to the application's web root

Technical Details of CVE-2019-15751

This section provides technical insights into the vulnerability.

Vulnerability Description

The vulnerability allows remote attackers to upload a SCORM file with an executable extension, enabling the execution of arbitrary code.

Affected Systems and Versions

Product: SITOS six Build
Version: 6.2.1

Exploitation Mechanism

Attackers can exploit this vulnerability by uploading a SCORM file with an executable extension, containing PHP code to execute OS commands.

Mitigation and Prevention

Protecting systems from CVE-2019-15751 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update the SITOS six Build to a patched version
Implement file upload restrictions and validation checks
Monitor file uploads for suspicious activities

Long-Term Security Practices

Regularly update and patch software to address security vulnerabilities
Conduct security assessments and penetration testing to identify weaknesses
Educate users on safe file handling practices

Patching and Updates

Apply patches provided by the software vendor to fix the vulnerability
Stay informed about security advisories and updates from the software provider