CVE-2017-16030 : What You Need to Know
Learn about CVE-2017-16030 affecting Useragent node module <=2.1.12, allowing attackers to disrupt services by manipulating useragent headers, impacting the event loop and server. Find mitigation steps and updates here.
Useragent node module <=2.1.12 allows attackers to create a denial of service by manipulating useragent headers, impacting the event loop and server.
Understanding CVE-2017-16030
Useragent node module vulnerability leading to denial of service.
What is CVE-2017-16030?
Useragent node module allows attackers to disrupt services by generating excessively long useragent strings.
The Impact of CVE-2017-16030
- Malicious users can block the event loop and server by manipulating useragent headers.
Technical Details of CVE-2017-16030
Useragent node module vulnerability details.
Vulnerability Description
- Attackers can exploit the vulnerability in versions <=2.1.12 to cause denial of service.
Affected Systems and Versions
- Product: useragent node module
- Vendor: HackerOne
- Versions Affected: <=2.1.12
Exploitation Mechanism
- Attackers modify useragent headers to create lengthy strings, disrupting server operations.
Mitigation and Prevention
Protecting systems from CVE-2017-16030.
Immediate Steps to Take
- Update useragent node module to versions beyond 2.1.12.
- Implement input validation to prevent excessively long useragent strings.
Long-Term Security Practices
- Regularly monitor and audit useragent headers for anomalies.
- Educate users on safe header manipulation practices.
Patching and Updates
- Apply patches provided by HackerOne to fix the vulnerability.