CVE-2018-21029

{"id": "CVE-2018-21029", "cveTags": [{"tags": ["disputed"], "sourceIdentifier": "cve@mitre.org"}], "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 7.5, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 6.4, "baseSeverity": "HIGH", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 3.9}]}, "published": "2019-10-30T22:15:10.667", "references": [{"url": "https://blog.cloudflare.com/dns-encryption-explained/", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://github.com/systemd/systemd/blob/v239/man/resolved.conf.xml#L199-L207", "tags": ["Exploit", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://github.com/systemd/systemd/blob/v243/man/resolved.conf.xml#L196-L207", "tags": ["Exploit", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://github.com/systemd/systemd/blob/v243/src/resolve/resolved-dnstls-gnutls.c#L62-L63", "tags": ["Patch", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://github.com/systemd/systemd/issues/9397", "tags": ["Issue Tracking", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://github.com/systemd/systemd/pull/13870", "tags": ["Patch", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4NLJVOJMB6ANDILRLDZK26YGLYBEPHKY/", "source": "cve@mitre.org"}, {"url": "https://security.netapp.com/advisory/ntap-20191122-0002/", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://tools.ietf.org/html/rfc7858#section-4.1", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://blog.cloudflare.com/dns-encryption-explained/", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://github.com/systemd/systemd/blob/v239/man/resolved.conf.xml#L199-L207", "tags": ["Exploit", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://github.com/systemd/systemd/blob/v243/man/resolved.conf.xml#L196-L207", "tags": ["Exploit", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://github.com/systemd/systemd/blob/v243/src/resolve/resolved-dnstls-gnutls.c#L62-L63", "tags": ["Patch", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://github.com/systemd/systemd/issues/9397", "tags": ["Issue Tracking", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://github.com/systemd/systemd/pull/13870", "tags": ["Patch", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4NLJVOJMB6ANDILRLDZK26YGLYBEPHKY/", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://security.netapp.com/advisory/ntap-20191122-0002/", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://tools.ietf.org/html/rfc7858#section-4.1", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-295"}]}], "descriptions": [{"lang": "en", "value": "systemd 239 through 245 accepts any certificate signed by a trusted certificate authority for DNS Over TLS. Server Name Indication (SNI) is not sent, and there is no hostname validation with the GnuTLS backend. NOTE: This has been disputed by the developer as not a vulnerability since hostname validation does not have anything to do with this issue (i.e. there is no hostname to be sent)"}, {"lang": "es", "value": "** EN DISPUTA ** systemd versiones 239 hasta la versi\u00f3n 245, acepta cualquier certificado firmado por parte de una autoridad de certificaci\u00f3n de confianza para DNS Over TLS. La indicaci\u00f3n de nombre de servidor (SNI) no se env\u00eda y no existe comprobaci\u00f3n de nombre de host con el backend GnuTLS. NOTA: Esto ha sido discutido por el desarrollador como una vulnerabilidad, ya que la validaci\u00f3n del hostname no tiene nada que ver con este problema (es decir, no hay ning\u00fan nombre de host que se env\u00ede)"}], "lastModified": "2024-11-21T04:02:43.917", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:systemd_project:systemd:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "6A177E47-87C0-4499-8DE8-3F7C75FF4FEE", "versionEndExcluding": "244", "versionStartIncluding": "239"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "80F0FA5D-8D3B-4C0E-81E2-87998286AF33"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}