{"cve":"CVE-2018-1000119","nvd":{"published":"2018-03-07T14:29:00.390","modified":"2026-06-17T01:32:28.030","status":"Modified","description":"Sinatra rack-protection versions 1.5.4 and 2.0.0.rc3 and earlier contains a timing attack vulnerability in the CSRF token checking that can result in signatures can be exposed. This attack appear to be exploitable via network connectivity to the ruby application. This vulnerability appears to have been fixed in 1.5.5 and 2.0.0.","cvss_v4":null,"cvss_v3":{"version":"3.0","vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","score":5.9},"cwes":["CWE-203"],"references":["https://access.redhat.com/errata/RHSA-2018:1060","https://github.com/sinatra/rack-protection/pull/98","https://github.com/sinatra/sinatra/commit/8aa6c42ef724f93ae309fb7c5668e19ad547eceb#commitcomment-27964109","https://www.debian.org/security/2018/dsa-4247","https://access.redhat.com/errata/RHSA-2018:1060"],"products":["sinatrarb:rack-protection"],"source":"nvd","synced_at":"2026-10-19T20:48:50.842038930+00:00"},"epss":{"cve":"CVE-2018-1000119","score":0.02404,"percentile":0.84064,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-688c-3x49-6rqj","url":"https://osv.dev/vulnerability/GHSA-688c-3x49-6rqj","summary":"rack-protection gem timing attack vulnerability when validating CSRF token","modified":"2024-02-16T07:58:58.375721Z","packages":[{"ecosystem":"RubyGems","name":"rack-protection","purl":"pkg:gem/rack-protection","ranges":["<1.5.5"],"fixed":["1.5.5"]},{"ecosystem":"RubyGems","name":"rack-protection","purl":"pkg:gem/rack-protection","ranges":[">=2.0.0.beta1 <2.0.0"],"fixed":["2.0.0"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}