Improper input validation in Brace Expansion Project
CVE-2017-18077
index.js in brace-expansion before 1.1.7 is vulnerable to Regular Expression Denial of Service (ReDoS) attacks, as demonstrated by an expand argument containing many comma characters.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.026 (84.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 85th percentile — 84.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.026 · newest: 0.026 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/juliangruber/brace-expansion/pull/35/commits/b13381281cead487cbdbfd6… (Patch, Third Party Advisory)
- nodesecurity.io/advisories/338 (Exploit, Third Party Advisory)
- github.com/juliangruber/brace-expansion/issues/33 (Exploit, Patch, Third Party Advisory, Issue Tracking)
- bugs.debian.org/862712 (Third Party Advisory)
Frequently asked questions
- What is CVE-2017-18077?
- CVE-2017-18077 is a high-severity vulnerability in Brace Expansion Project, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2018-01-27.
- How severe is CVE-2017-18077?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2017-18077 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.