CVE-2020-13568 : Security Advisory and Response

A SQL injection vulnerability exists in phpGACL 3.3.7, allowing attackers to execute malicious SQL queries through specially crafted HTTP requests.

Understanding CVE-2020-13568

This CVE involves a high-severity SQL injection vulnerability in phpGACL 3.3.7.

What is CVE-2020-13568?

The vulnerability allows attackers to perform SQL injection via crafted HTTP requests.
Exploitation occurs in admin/edit_group.php when specific POST parameters are manipulated.

The Impact of CVE-2020-13568

CVSS Base Score: 8.8 (High)
Attack Vector: Network
Confidentiality, Integrity, and Availability Impact: High
Attack Complexity: Low
Privileges Required: Low
Scope: Unchanged
User Interaction: None

Technical Details of CVE-2020-13568

This section provides detailed technical insights into the vulnerability.

Vulnerability Description

The flaw allows SQL injection via the 'parent_id' parameter in certain HTTP requests.

Affected Systems and Versions

Affected Versions: phpGACL 3.3.7
Specific Versions: OpenEMR 5.0.2, OpenEMR development version 6.0.0, phpGACL 3.3.7

Exploitation Mechanism

Attackers can exploit the vulnerability by manipulating the 'parent_id' parameter in HTTP requests.

Mitigation and Prevention

Protect your systems from potential exploitation by following these security measures.

Immediate Steps to Take

Apply security patches provided by the vendor promptly.
Implement input validation to sanitize user inputs and prevent SQL injection.

Long-Term Security Practices

Regularly update and patch software to address known vulnerabilities.
Conduct security audits and penetration testing to identify and mitigate risks.

Patching and Updates

Stay informed about security updates and apply them as soon as they are released.