{"id":"CVE-2020-25613","state":"PUBLISHED","title":"An issue was discovered in Ruby through 2.5.8, 2.6.x through 2.6.6, and 2.7.x through 2.7.1. WEBrick, a simple HTTP server bundled with Ruby, had not checked the transfer-encoding ","description":"An issue was discovered in Ruby through 2.5.8, 2.6.x through 2.6.6, and 2.7.x through 2.7.1. WEBrick, a simple HTTP server bundled with Ruby, had not checked the transfer-encoding header value rigorously. An attacker may potentially exploit this issue to bypass a reverse proxy (which also has a poor header check), which may lead to an HTTP Request Smuggling attack.","publishedAt":"2020-10-06T00:00:00.000Z","updatedAt":"2024-08-04T15:33:05.751Z","severity":null,"assigner":"mitre","products":["n/a n/a"],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":["https://hackerone.com/reports/965267","https://www.ruby-lang.org/en/news/2020/09/29/http-request-smuggling-cve-2020-25613/","https://github.com/ruby/webrick/commit/8946bb38b4d87549f0d99ed73c62c41933f97cc7","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PFP3E7KXXT3H3KA6CBZPUOGA5VPFARRJ/","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YTZURYROG3FFED3TYCQOBV66BS4K6WOV/","https://security.netapp.com/advisory/ntap-20210115-0008/","https://lists.debian.org/debian-lts-announce/2023/04/msg00033.html","https://security.gentoo.org/glsa/202401-27"],"weaknesses":[],"ingestedAt":"2026-10-29T19:47:05.429Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2020/25xxx/CVE-2020-25613.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2020-25613","state":"PUBLISHED","datePublished":"2020-10-06T00:00:00.000Z","dateUpdated":"2024-08-04T15:33:05.751Z","assignerShortName":"mitre","assignerOrgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","dateReserved":"2020-09-16T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"An issue was discovered in Ruby through 2.5.8, 2.6.x through 2.6.6, and 2.7.x through 2.7.1. WEBrick, a simple HTTP server bundled with Ruby, had not checked the transfer-encoding header value rigorously. An attacker may potentially exploit this issue to bypass a reverse proxy (which also has a poor header check), which may lead to an HTTP Request Smuggling attack."}],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":[{"url":"https://hackerone.com/reports/965267"},{"url":"https://www.ruby-lang.org/en/news/2020/09/29/http-request-smuggling-cve-2020-25613/"},{"url":"https://github.com/ruby/webrick/commit/8946bb38b4d87549f0d99ed73c62c41933f97cc7"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PFP3E7KXXT3H3KA6CBZPUOGA5VPFARRJ/","name":"FEDORA-2020-02ca18c2a0","tags":["vendor-advisory"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YTZURYROG3FFED3TYCQOBV66BS4K6WOV/","name":"FEDORA-2020-fe2a7d7390","tags":["vendor-advisory"]},{"url":"https://security.netapp.com/advisory/ntap-20210115-0008/"},{"url":"https://lists.debian.org/debian-lts-announce/2023/04/msg00033.html","name":"[debian-lts-announce] 20230430 [SECURITY] [DLA 3408-1] jruby security update","tags":["mailing-list"]},{"url":"https://security.gentoo.org/glsa/202401-27","name":"GLSA-202401-27","tags":["vendor-advisory"]}],"problemTypes":[{"descriptions":[{"type":"text","lang":"en","description":"n/a"}]}],"providerMetadata":{"shortName":"mitre","orgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","dateUpdated":"2024-01-24T05:06:30.204Z"}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://hackerone.com/reports/965267","tags":["x_transferred"]},{"url":"https://www.ruby-lang.org/en/news/2020/09/29/http-request-smuggling-cve-2020-25613/","tags":["x_transferred"]},{"url":"https://github.com/ruby/webrick/commit/8946bb38b4d87549f0d99ed73c62c41933f97cc7","tags":["x_transferred"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PFP3E7KXXT3H3KA6CBZPUOGA5VPFARRJ/","name":"FEDORA-2020-02ca18c2a0","tags":["vendor-advisory","x_transferred"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YTZURYROG3FFED3TYCQOBV66BS4K6WOV/","name":"FEDORA-2020-fe2a7d7390","tags":["vendor-advisory","x_transferred"]},{"url":"https://security.netapp.com/advisory/ntap-20210115-0008/","tags":["x_transferred"]},{"url":"https://lists.debian.org/debian-lts-announce/2023/04/msg00033.html","name":"[debian-lts-announce] 20230430 [SECURITY] [DLA 3408-1] jruby security update","tags":["mailing-list","x_transferred"]},{"url":"https://security.gentoo.org/glsa/202401-27","name":"GLSA-202401-27","tags":["vendor-advisory","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-04T15:33:05.751Z"}}]}}}