Resource exhaustion in Charset Project

CVE-2017-16098

charset 1.0.0 and below are vulnerable to regular expression denial of service. Input of around 50k characters is required for a slow down of around 2 seconds. Unless node was compiled using the -DHTTP_MAX_HEADER_SIZE= option the default header max length is 80kb, so the impact of the ReDoS is relatively low.

Vulnerability class: DoS (Denial of Service)

EPSS: 0.017 (74.2th 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

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2017-16098?
CVE-2017-16098 is a high-severity vulnerability in Charset Project, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2018-06-07.
How severe is CVE-2017-16098?
High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2017-16098 known to be exploited?
3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.