What is CVE-2019-18409?

CVE-2019-18409 is a high-severity vulnerability in Zenspider Ruby Parser-Legacy, classified under Incorrect Permission Assignment for Critical Resource. CVSS score: 7.8/10. Published 2019-10-24.

How severe is CVE-2019-18409?

High severity. CVSS v3 base score is 7.8 out of 10.

Vulnerability in Zenspider Ruby Parser-Legacy

CVE-2019-18409

The ruby_parser-legacy (aka legacy) gem 1.0.0 for Ruby allows local privilege escalation because of world-writable files. For example, if the brakeman gem (which has a legacy dependency) 4.5.0 through 4.7.0 is used, a local user can insert malicious code into the ruby_parser-legacy-1.0.0/lib/ruby_parser/legacy/ruby_parser.rb file.

EPSS: 0.003 (25.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Zenspider Ruby_parser-legacy — versions 1.0.0
N/a — versions n/a

Weakness classification (CWE)

CWE-732 — Incorrect Permission Assignment for Critical Resource

References

cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC, Issue Tracking)

Frequently asked questions

What is CVE-2019-18409?: CVE-2019-18409 is a high-severity vulnerability in Zenspider Ruby Parser-Legacy, classified under Incorrect Permission Assignment for Critical Resource. CVSS score: 7.8/10. Published 2019-10-24.
How severe is CVE-2019-18409?: High severity. CVSS v3 base score is 7.8 out of 10.