CVE-2017-12796 Explained : Impact and Mitigation

OpenMRS Reporting Compatibility Add On prior to version 2.0.4 lacks user authentication during XML deserialization, allowing remote unauthenticated users to execute OS commands.

Understanding CVE-2017-12796

This CVE involves a vulnerability in the OpenMRS Reporting Compatibility Add On that enables remote unauthenticated users to execute operating system commands.

What is CVE-2017-12796?

The Reporting Compatibility Add On for OpenMRS, included in OpenMRS Reference Application before version 2.6.1, lacks user authentication during XML deserialization, enabling malicious payloads to execute OS commands.

The Impact of CVE-2017-12796

The vulnerability allows remote and unauthenticated users to execute operating system commands by crafting malicious XML payloads, posing a significant security risk to affected systems.

Technical Details of CVE-2017-12796

The technical aspects of the CVE provide insight into the vulnerability's description, affected systems, versions, and exploitation mechanism.

Vulnerability Description

OpenMRS Reporting Compatibility Add On before version 2.0.4 lacks user authentication during XML deserialization
Allows remote unauthenticated users to execute OS commands

Affected Systems and Versions

OpenMRS Reference Application before version 2.6.1

Exploitation Mechanism

Remote unauthenticated users can exploit the vulnerability by creating malicious XML payloads

Mitigation and Prevention

Mitigation strategies and preventive measures to address CVE-2017-12796.

Immediate Steps to Take

Upgrade OpenMRS Reporting Compatibility Add On to version 2.0.4 or later
Implement network security controls to restrict access
Monitor system logs for suspicious activities

Long-Term Security Practices

Conduct regular security assessments and audits
Educate users on safe computing practices

Patching and Updates

Apply security patches and updates promptly to mitigate known vulnerabilities