CVE-2019-16254

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "https://www.ruby-lang.org/ja/news/2019/10/01/ruby-2-4-8-released/", "name": "https://www.ruby-lang.org/ja/news/2019/10/01/ruby-2-4-8-released/", "tags": ["Vendor Advisory"], "refsource": "CONFIRM"}, {"url": "https://hackerone.com/reports/331984", "name": "https://hackerone.com/reports/331984", "tags": ["Third Party Advisory"], "refsource": "MISC"}, {"url": "https://www.ruby-lang.org/ja/news/2019/10/01/ruby-2-5-7-released/", "name": "https://www.ruby-lang.org/ja/news/2019/10/01/ruby-2-5-7-released/", "tags": ["Vendor Advisory"], "refsource": "CONFIRM"}, {"url": "https://www.ruby-lang.org/ja/news/2019/10/01/ruby-2-6-5-released/", "name": "https://www.ruby-lang.org/ja/news/2019/10/01/ruby-2-6-5-released/", "tags": ["Vendor Advisory"], "refsource": "CONFIRM"}, {"url": "https://www.ruby-lang.org/ja/news/2019/10/01/http-response-splitting-in-webrick-cve-2019-16254/", "name": "https://www.ruby-lang.org/ja/news/2019/10/01/http-response-splitting-in-webrick-cve-2019-16254/", "tags": ["Vendor Advisory"], "refsource": "CONFIRM"}, {"url": "https://lists.debian.org/debian-lts-announce/2019/11/msg00025.html", "name": "https://lists.debian.org/debian-lts-announce/2019/11/msg00025.html", "tags": ["Mailing List", "Third Party Advisory"], "refsource": "MISC"}, {"url": "https://lists.debian.org/debian-lts-announce/2019/12/msg00009.html", "name": "[debian-lts-announce] 20191210 [SECURITY] [DLA 2027-1] jruby security update", "tags": [], "refsource": "MLIST"}, {"url": "https://seclists.org/bugtraq/2019/Dec/32", "name": "20191217 [SECURITY] [DSA 4586-1] ruby2.5 security update", "tags": [], "refsource": "BUGTRAQ"}, {"url": "https://seclists.org/bugtraq/2019/Dec/31", "name": "20191217 [SECURITY] [DSA 4587-1] ruby2.3 security update", "tags": [], "refsource": "BUGTRAQ"}, {"url": "https://www.debian.org/security/2019/dsa-4587", "name": "DSA-4587", "tags": [], "refsource": "DEBIAN"}, {"url": "https://www.debian.org/security/2019/dsa-4586", "name": "DSA-4586", "tags": [], "refsource": "DEBIAN"}, {"url": "https://www.oracle.com/security-alerts/cpujan2020.html", "name": "https://www.oracle.com/security-alerts/cpujan2020.html", "tags": [], "refsource": "MISC"}, {"url": "https://security.gentoo.org/glsa/202003-06", "name": "GLSA-202003-06", "tags": [], "refsource": "GENTOO"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00041.html", "name": "openSUSE-SU-2020:0395", "tags": [], "refsource": "SUSE"}, {"url": "https://lists.debian.org/debian-lts-announce/2020/08/msg00027.html", "name": "[debian-lts-announce] 20200816 [SECURITY] [DLA 2330-1] jruby security update", "tags": [], "refsource": "MLIST"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "Ruby through 2.4.7, 2.5.x through 2.5.6, and 2.6.x through 2.6.4 allows HTTP Response Splitting. If a program using WEBrick inserts untrusted input into the response header, an attacker can exploit it to insert a newline character to split a header, and inject malicious content to deceive clients. NOTE: this issue exists because of an incomplete fix for CVE-2017-17742, which addressed the CRLF vector, but did not address an isolated CR or an isolated LF."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-74"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2019-16254", "ASSIGNER": "cve@mitre.org"}}, "impact": {"baseMetricV2": {"cvssV2": {"version": "2.0", "baseScore": 5.0, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:N", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "NONE", "confidentialityImpact": "NONE"}, "severity": "MEDIUM", "acInsufInfo": false, "impactScore": 2.9, "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}, "baseMetricV3": {"cvssV3": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.3, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 1.4, "exploitabilityScore": 3.9}}, "publishedDate": "2019-11-26T18:15Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:a:ruby-lang:ruby:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndIncluding": "2.3.0"}, {"cpe23Uri": "cpe:2.3:a:ruby-lang:ruby:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndIncluding": "2.4.7", "versionStartIncluding": "2.4.0"}, {"cpe23Uri": "cpe:2.3:a:ruby-lang:ruby:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndIncluding": "2.5.6", "versionStartIncluding": "2.5.0"}, {"cpe23Uri": "cpe:2.3:a:ruby-lang:ruby:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndIncluding": "2.6.4", "versionStartIncluding": "2.6.0"}]}, {"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}]}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2020-08-16T15:15Z"}