CVE-2019-16201

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{}

{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:ruby-lang:ruby:*:*:*:*:*:*:*:*", "matchCriteriaId": "A2C45233-D18A-47C8-8D49-BB05ADD50D88", "versionEndIncluding": "2.4.7", "versionStartIncluding": "2.4.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:ruby-lang:ruby:*:*:*:*:*:*:*:*", "matchCriteriaId": "6E259007-36E1-418F-8493-A5A7928129F6", "versionEndIncluding": "2.5.6", "versionStartIncluding": "2.5.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:ruby-lang:ruby:*:*:*:*:*:*:*:*", "matchCriteriaId": "E746C3E0-0162-4487-AB58-2579B2BE1FD4", "versionEndIncluding": "2.6.4", "versionStartIncluding": "2.6.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*", "matchCriteriaId": "C11E6FB0-C8C0-4527-9AA0-CB9B316F8F43", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "WEBrick::HTTPAuth::DigestAuth in Ruby through 2.4.7, 2.5.x through 2.5.6, and 2.6.x through 2.6.4 has a regular expression Denial of Service cause by looping/backtracking. A victim must expose a WEBrick server that uses DigestAuth to the Internet or a untrusted network."}, {"lang": "es", "value": "La funci\u00f3n WEBrick::HTTPAuth::DigestAuth en Ruby versiones hasta la versi\u00f3n 2.4.7, versiones 2.5.x hasta 2.5.6 y versiones 2.6.x hasta 2.6.4, tiene una expresi\u00f3n regular de denegaci\u00f3n de servicio causada mediante looping/backtracking. Una v\u00edctima debe exponer un servidor WEBrick que usa DigestAuth en Internet o una red no segura."}], "id": "CVE-2019-16201", "lastModified": "2026-06-17T02:21:53.007", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 7.8, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:C", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 6.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2019-11-26T18:15:15.100", "references": [{"source": "cve@mitre.org", "url": "http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00041.html"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://hackerone.com/reports/661722"}, {"source": "cve@mitre.org", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2019/11/msg00025.html"}, {"source": "cve@mitre.org", "url": "https://lists.debian.org/debian-lts-announce/2019/12/msg00009.html"}, {"source": "cve@mitre.org", "url": "https://lists.debian.org/debian-lts-announce/2020/08/msg00027.html"}, {"source": "cve@mitre.org", "url": "https://lists.debian.org/debian-lts-announce/2023/04/msg00033.html"}, {"source": "cve@mitre.org", "url": "https://seclists.org/bugtraq/2019/Dec/31"}, {"source": "cve@mitre.org", "url": "https://seclists.org/bugtraq/2019/Dec/32"}, {"source": "cve@mitre.org", "url": "https://security.gentoo.org/glsa/202003-06"}, {"source": "cve@mitre.org", "url": "https://www.debian.org/security/2019/dsa-4587"}, {"source": "cve@mitre.org", "url": "https://www.oracle.com/security-alerts/cpujan2020.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00041.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://hackerone.com/reports/661722"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2019/11/msg00025.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.debian.org/debian-lts-announce/2019/12/msg00009.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.debian.org/debian-lts-announce/2020/08/msg00027.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.debian.org/debian-lts-announce/2023/04/msg00033.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://seclists.org/bugtraq/2019/Dec/31"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://seclists.org/bugtraq/2019/Dec/32"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://security.gentoo.org/glsa/202003-06"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://www.debian.org/security/2019/dsa-4587"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://www.oracle.com/security-alerts/cpujan2020.html"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-287"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2021:2587", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "ruby:2.5-8040020200923213910.522a0ee4", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2021-06-29T00:00:00Z"}, {"advisory": "RHSA-2021:2588", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "ruby:2.6-8040020210430142949.522a0ee4", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2021-06-29T00:00:00Z"}, {"advisory": "RHSA-2022:0581", "cpe": "cpe:/a:redhat:rhel_e4s:8.1", "package": "ruby:2.6-8010020220201152941.c27ad7f8", "product_name": "Red Hat Enterprise Linux 8.1 Update Services for SAP Solutions", "release_date": "2022-02-21T00:00:00Z"}, {"advisory": "RHSA-2022:0582", "cpe": "cpe:/a:redhat:rhel_eus:8.2", "package": "ruby:2.6-8020020220201131207.4cda2c84", "product_name": "Red Hat Enterprise Linux 8.2 Extended Update Support", "release_date": "2022-02-21T00:00:00Z"}, {"advisory": "RHSA-2021:2104", "cpe": "cpe:/a:redhat:rhel_software_collections:3::el7", "package": "rh-ruby25-ruby-0:2.5.9-9.el7", "product_name": "Red Hat Software Collections for Red Hat Enterprise Linux 7", "release_date": "2021-05-26T00:00:00Z"}, {"advisory": "RHSA-2021:2230", "cpe": "cpe:/a:redhat:rhel_software_collections:3::el7", "package": "rh-ruby26-ruby-0:2.6.7-119.el7", "product_name": "Red Hat Software Collections for Red Hat Enterprise Linux 7", "release_date": "2021-06-03T00:00:00Z"}, {"advisory": "RHSA-2021:2104", "cpe": "cpe:/a:redhat:rhel_software_collections:3::el7", "package": "rh-ruby25-ruby-0:2.5.9-9.el7", "product_name": "Red Hat Software Collections for Red Hat Enterprise Linux 7.6 EUS", "release_date": "2021-05-26T00:00:00Z"}, {"advisory": "RHSA-2021:2104", "cpe": "cpe:/a:redhat:rhel_software_collections:3::el7", "package": "rh-ruby25-ruby-0:2.5.9-9.el7", "product_name": "Red Hat Software Collections for Red Hat Enterprise Linux 7.7 EUS", "release_date": "2021-05-26T00:00:00Z"}, {"advisory": "RHSA-2021:2230", "cpe": "cpe:/a:redhat:rhel_software_collections:3::el7", "package": "rh-ruby26-ruby-0:2.6.7-119.el7", "product_name": "Red Hat Software Collections for Red Hat Enterprise Linux 7.7 EUS", "release_date": "2021-06-03T00:00:00Z"}], "bugzilla": {"description": "ruby: Regular expression denial of service vulnerability of WEBrick's Digest authentication", "id": "1773728", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1773728"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.5", "cvss3_scoring_vector": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "status": "verified"}, "cwe": "CWE-400", "details": ["WEBrick::HTTPAuth::DigestAuth in Ruby through 2.4.7, 2.5.x through 2.5.6, and 2.6.x through 2.6.4 has a regular expression Denial of Service cause by looping/backtracking. A victim must expose a WEBrick server that uses DigestAuth to the Internet or a untrusted network."], "name": "CVE-2019-16201", "package_state": [{"cpe": "cpe:/a:redhat:red_hat_3scale_amp:2", "fix_state": "Will not fix", "package_name": "3amp-system", "product_name": "Red Hat 3scale API Management Platform 2"}, {"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Out of support scope", "package_name": "ruby", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "ruby", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Will not fix", "package_name": "ruby", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/a:redhat:rhel_software_collections:3", "fix_state": "Will not fix", "package_name": "rh-ruby24-ruby", "product_name": "Red Hat Software Collections"}], "public_date": "2019-10-01T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2019-16201\nhttps://nvd.nist.gov/vuln/detail/CVE-2019-16201\nhttps://www.ruby-lang.org/en/news/2019/10/01/webrick-regexp-digestauth-dos-cve-2019-16201/"], "threat_severity": "Moderate"}

{}