CVE-2017-17971 Explained : Impact and Mitigation

Dolibarr ERP/CRM 6.0.4 XSS Vulnerability

Understanding CVE-2017-17971

What is CVE-2017-17971?

The XSS vulnerability in Dolibarr ERP/CRM 6.0.4 is caused by the test_sql_and_script_inject function in htdocs/main.inc.php. This vulnerability allows for XSS exploitation through the onclick and onscroll event attributes.

The Impact of CVE-2017-17971

This vulnerability could be exploited by attackers to execute malicious scripts in the context of a user's browser, potentially leading to unauthorized actions or data theft.

Technical Details of CVE-2017-17971

Vulnerability Description

The test_sql_and_script_inject function in Dolibarr ERP/CRM 6.0.4 fails to block the onclick and onscroll event attributes, enabling attackers to perform XSS attacks.

Affected Systems and Versions

Product: Dolibarr ERP/CRM 6.0.4
Vendor: Dolibarr
Version: Not applicable

Exploitation Mechanism

Attackers can exploit this vulnerability by injecting malicious scripts through the onclick and onscroll event attributes, leading to XSS attacks.

Mitigation and Prevention

Immediate Steps to Take

Apply the latest security patches provided by Dolibarr to address this vulnerability.
Implement input validation mechanisms to sanitize user inputs and prevent script injections.

Long-Term Security Practices

Regularly update and patch all software components to mitigate potential security risks.
Conduct security audits and penetration testing to identify and address vulnerabilities proactively.

Patching and Updates

Stay informed about security advisories from Dolibarr and promptly apply recommended patches to secure your systems.