CVE-2017-16115 : What You Need to Know
Learn about CVE-2017-16115 affecting timespan node module by HackerOne. Discover the impact, technical details, and mitigation steps for this denial of service vulnerability.
The timespan module vulnerability allows for regular expression denial of service, potentially causing the event loop to hang for 10 seconds.
Understanding CVE-2017-16115
The CVE-2017-16115 vulnerability in the timespan node module poses a risk of denial of service due to regular expression processing.
What is CVE-2017-16115?
The timespan module is susceptible to denial of service attacks when processing large amounts of untrusted user input, leading to significant event loop delays.
The Impact of CVE-2017-16115
Exploitation of this vulnerability can result in a 10-second hang of the event loop, potentially disrupting the application's functionality and performance.
Technical Details of CVE-2017-16115
The technical aspects of the CVE-2017-16115 vulnerability provide insight into its nature and potential risks.
Vulnerability Description
The timespan module is vulnerable to regular expression denial of service, triggered by processing 50,000 characters of untrusted user input.
Affected Systems and Versions
- Product: timespan node module
- Vendor: HackerOne
- Versions: All versions
Exploitation Mechanism
When the timespan module encounters a large amount of untrusted user input, specifically 50,000 characters, it can lead to a denial of service condition by causing the event loop to hang for approximately 10 seconds.
Mitigation and Prevention
Addressing the CVE-2017-16115 vulnerability requires immediate actions and long-term security practices.
Immediate Steps to Take
- Update the timespan node module to the latest secure version.
- Implement input validation mechanisms to prevent the submission of excessively large data.
- Monitor system performance for any signs of event loop delays.
Long-Term Security Practices
- Conduct regular security audits to identify and address potential vulnerabilities.
- Educate developers on secure coding practices to mitigate similar issues in the future.
Patching and Updates
- Stay informed about security advisories and updates related to the timespan node module.