CVE-2021-32102 : Vulnerability Insights and Analysis

A SQL injection vulnerability exists in library/custom_template/ajax_code.php in OpenEMR 5.0.2.1, potentially allowing unauthorized users to execute malicious SQL queries.

Understanding CVE-2021-32102

This CVE describes a security flaw in OpenEMR version 5.0.2.1 that could be exploited by attackers to perform SQL injection attacks.

What is CVE-2021-32102?

CVE-2021-32102 is a SQL injection vulnerability in OpenEMR 5.0.2.1, which could lead to unauthorized access and manipulation of the database by attackers with user privileges.

The Impact of CVE-2021-32102

The impact of this vulnerability is significant as it could allow attackers to extract sensitive data, modify database records, and potentially take control of the affected OpenEMR instance.

Technical Details of CVE-2021-32102

In this section, we will discuss the vulnerability description, affected systems and versions, as well as the exploitation mechanism.

Vulnerability Description

The vulnerability exists in the 'ajax_code.php' file of the custom template library in OpenEMR 5.0.2.1, enabling attackers to inject and execute malicious SQL queries with user privileges.

Affected Systems and Versions

OpenEMR 5.0.2.1 is confirmed to be affected by this vulnerability, potentially impacting instances that have not been patched or updated.

Exploitation Mechanism

Attackers can exploit this vulnerability by injecting SQL queries through crafted requests to the affected 'ajax_code.php' file, leading to unauthorized access to the database.

Mitigation and Prevention

To prevent exploitation of CVE-2021-32102, immediate steps should be taken to secure OpenEMR installations and implement long-term security practices.

Immediate Steps to Take

Update OpenEMR to the latest patched version or apply the necessary security updates provided by the vendor.
Restrict access to the vulnerable file and sanitize user inputs to prevent SQL injection attacks.

Long-Term Security Practices

Regularly monitor and audit OpenEMR installations for security vulnerabilities and apply security best practices.
Educate users on safe coding practices and raise awareness about the risks associated with SQL injection attacks.

Patching and Updates

Stay informed about security advisories and patches released by OpenEMR to address known vulnerabilities like CVE-2021-32102.