CVE-2021-43094 : Exploit Details and Defense Strategies

An SQL Injection vulnerability exists in OpenMRS Reference Application Standalone Edition <=2.11 and Platform Standalone Edition <=2.4.0 via GET requests on arbitrary parameters in patient.page.

Understanding CVE-2021-43094

This CVE describes an SQL Injection vulnerability impacting specific versions of OpenMRS Reference and Platform Standalone Editions.

What is CVE-2021-43094?

CVE-2021-43094 refers to an SQL Injection vulnerability present in OpenMRS Reference Application and Platform Standalone Editions, allowing malicious actors to exploit GET requests on arbitrary parameters.

The Impact of CVE-2021-43094

The vulnerability can lead to unauthorized access, data leakage, data manipulation, and potential system compromise.

Technical Details of CVE-2021-43094

This section provides more insights into the specific technical aspects of the vulnerability.

Vulnerability Description

The CVE identifies an SQL Injection flaw in OpenMRS software, particularly in certain standalone editions, making them susceptible to exploitation.

Affected Systems and Versions

OpenMRS Reference Application Standalone Edition <=2.11
Platform Standalone Edition <=2.4.0

Exploitation Mechanism

The vulnerability can be exploited through malicious GET requests targeted at arbitrary parameters within the patient.page of the affected software.

Mitigation and Prevention

It is crucial to take immediate action to mitigate the risks associated with CVE-2021-43094.

Immediate Steps to Take

Implement web application firewalls to filter and monitor incoming traffic for suspicious activities.
Regularly monitor and audit application logs for any signs of SQL Injection attempts.
Train developers and staff on secure coding practices to prevent such vulnerabilities in the future.

Long-Term Security Practices

Conduct regular security assessments and penetration testing to identify and address vulnerabilities proactively.
Stay informed about security updates and patches released by OpenMRS to address known vulnerabilities.
Ensure access controls are appropriately configured to restrict unauthorized access to sensitive areas of the application.

Patching and Updates

Apply patches and updates provided by OpenMRS for the affected software versions to remediate the SQL Injection vulnerability.