CVE-2017-16570 : What You Need to Know
Learn about CVE-2017-16570, a vulnerability in KeystoneJS allowing CSRF protection bypass. Find out the impact, affected systems, exploitation, and mitigation steps.
KeystoneJS before version 4.0.0-beta.7 had a security vulnerability identified as SL7_KEYJS_03 by SecureLayer7, allowing CSRF protection bypass across the application.
Understanding CVE-2017-16570
What is CVE-2017-16570?
KeystoneJS had a vulnerability that enabled attackers to bypass CSRF protection by removing the CSRF parameter and its value.
The Impact of CVE-2017-16570
This vulnerability allowed malicious actors to bypass CSRF protection, potentially leading to unauthorized actions within the application.
Technical Details of CVE-2017-16570
Vulnerability Description
KeystoneJS failed to properly reject requests lacking the necessary x-csrf-token header, enabling a widespread CSRF bypass.
Affected Systems and Versions
- Product: Not applicable
- Vendor: Not applicable
- Versions affected: Not applicable
Exploitation Mechanism
The vulnerability could be exploited by removing the CSRF parameter and its corresponding value, allowing unauthorized requests to be processed.
Mitigation and Prevention
Immediate Steps to Take
- Upgrade to version 4.0.0-beta.7 or newer to address the CSRF bypass issue.
- Implement strict input validation and enforce CSRF protection mechanisms.
Long-Term Security Practices
- Regularly monitor and update security patches for KeystoneJS.
- Conduct security audits and penetration testing to identify and address vulnerabilities.
Patching and Updates
Ensure timely installation of security patches and updates to mitigate the risk of CSRF bypass vulnerabilities.