What is CVE-2017-16030?

CVE-2017-16030 is a high-severity vulnerability in Hackerone Useragent Node Module, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2018-06-04.

How severe is CVE-2017-16030?

High severity. CVSS v3 base score is 7.5 out of 10.

Is CVE-2017-16030 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Resource exhaustion in Hackerone Useragent Node Module

CVE-2017-16030

Useragent is used to parse useragent headers. It uses several regular expressions to accomplish this. An attacker could edit their own headers, creating an arbitrarily long useragent string, causing the event loop and server to block. This affects Useragent 2.1.12 and earlier.

Vulnerability class: DoS (Denial of Service)

EPSS: 0.012 (64.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Hackerone Useragent Node Module — versions <=2.1.12
Useragent_project Useragent

Weakness classification (CWE)

CWE-400 — Uncontrolled Resource Consumption

Public proof-of-concept exploits

References

support@hackerone.com (Exploit, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2017-16030?: CVE-2017-16030 is a high-severity vulnerability in Hackerone Useragent Node Module, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2018-06-04.
How severe is CVE-2017-16030?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2017-16030 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.