CVE-2018-16395
Vulnerability from cvelistv5
Published
2018-11-16 18:00
Modified
2024-08-05 10:24
Severity ?
Summary
An issue was discovered in the OpenSSL library in Ruby before 2.3.8, 2.4.x before 2.4.5, 2.5.x before 2.5.2, and 2.6.x before 2.6.0-preview3. When two OpenSSL::X509::Name objects are compared using ==, depending on the ordering, non-equal objects may return true. When the first argument is one character longer than the second, or the second argument contains a character that is one less than a character in the same position of the first argument, the result of == will be true. This could be leveraged to create an illegitimate certificate that may be accepted as legitimate and then used in signing or encryption operations.
References
cve@mitre.orghttp://lists.opensuse.org/opensuse-security-announce/2019-07/msg00036.htmlMailing List, Third Party Advisory
cve@mitre.orghttp://www.securitytracker.com/id/1042105Third Party Advisory, VDB Entry
cve@mitre.orghttps://access.redhat.com/errata/RHSA-2018:3729Third Party Advisory
cve@mitre.orghttps://access.redhat.com/errata/RHSA-2018:3730Third Party Advisory
cve@mitre.orghttps://access.redhat.com/errata/RHSA-2018:3731Third Party Advisory
cve@mitre.orghttps://access.redhat.com/errata/RHSA-2018:3738Third Party Advisory
cve@mitre.orghttps://access.redhat.com/errata/RHSA-2019:1948Third Party Advisory
cve@mitre.orghttps://access.redhat.com/errata/RHSA-2019:2565
cve@mitre.orghttps://hackerone.com/reports/387250Patch, Third Party Advisory
cve@mitre.orghttps://lists.debian.org/debian-lts-announce/2018/10/msg00020.htmlThird Party Advisory
cve@mitre.orghttps://security.netapp.com/advisory/ntap-20190221-0002/Third Party Advisory
cve@mitre.orghttps://usn.ubuntu.com/3808-1/Third Party Advisory
cve@mitre.orghttps://www.debian.org/security/2018/dsa-4332Third Party Advisory
cve@mitre.orghttps://www.oracle.com/security-alerts/cpujan2020.html
cve@mitre.orghttps://www.ruby-lang.org/en/news/2018/10/17/openssl-x509-name-equality-check-does-not-work-correctly-cve-2018-16395/Mitigation, Vendor Advisory
cve@mitre.orghttps://www.ruby-lang.org/en/news/2018/10/17/ruby-2-3-8-released/Release Notes, Vendor Advisory
cve@mitre.orghttps://www.ruby-lang.org/en/news/2018/10/17/ruby-2-4-5-released/Release Notes, Vendor Advisory
cve@mitre.orghttps://www.ruby-lang.org/en/news/2018/10/17/ruby-2-5-2-released/Release Notes, Vendor Advisory
cve@mitre.orghttps://www.ruby-lang.org/en/news/2018/11/06/ruby-2-6-0-preview3-released/Release Notes, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00036.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.securitytracker.com/id/1042105Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2018:3729Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2018:3730Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2018:3731Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2018:3738Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2019:1948Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2019:2565
af854a3a-2127-422b-91ae-364da2661108https://hackerone.com/reports/387250Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2018/10/msg00020.htmlThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://security.netapp.com/advisory/ntap-20190221-0002/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/3808-1/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.debian.org/security/2018/dsa-4332Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.oracle.com/security-alerts/cpujan2020.html
af854a3a-2127-422b-91ae-364da2661108https://www.ruby-lang.org/en/news/2018/10/17/openssl-x509-name-equality-check-does-not-work-correctly-cve-2018-16395/Mitigation, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.ruby-lang.org/en/news/2018/10/17/ruby-2-3-8-released/Release Notes, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.ruby-lang.org/en/news/2018/10/17/ruby-2-4-5-released/Release Notes, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.ruby-lang.org/en/news/2018/10/17/ruby-2-5-2-released/Release Notes, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.ruby-lang.org/en/news/2018/11/06/ruby-2-6-0-preview3-released/Release Notes, Vendor Advisory
Impacted products
Vendor Product Version
Show details on NVD website

To clipboard 

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This could be leveraged to create an illegitimate certificate that may be accepted as legitimate and then used in signing or encryption operations.\"},{\"lang\":\"es\",\"value\":\"Se ha descubierto un problema en la biblioteca OpenSSL en Ruby, en versiones anteriores a la 2.3.8, versiones 2.4.x anteriores a la 2.4.5, versiones 2.5.x anteriores a la 2.5.2 y versiones 2.6.x anteriores a la 2.6.0-preview3. Cuando dos objetos OpenSSL::X509::Name se comparan mediante ==, dependiendo del orden, los objetos que no son iguales podr\u00edan devolver \\\"true\\\". Cuando el primer argumento tiene un car\u00e1cter m\u00e1s que el segundo, o el segundo argumento contiene un car\u00e1cter que tiene uno menos que el car\u00e1cter en la misma posici\u00f3n que el primer argumento, el resultado de == ser\u00e1 \\\"true\\\". Esto podr\u00eda aprovecharse para crear un certificado ileg\u00edtimo que podr\u00eda ser aceptado como leg\u00edtimo y despu\u00e9s emplearse en operaciones de firma o cifrado.\"}],\"metrics\":{\"cvssMetricV30\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.0\",\"vectorString\":\"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H\",\"baseScore\":9.8,\"baseSeverity\":\"CRITICAL\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":3.9,\"impactScore\":5.9}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:L/Au:N/C:P/I:P/A:P\",\"baseScore\":7.5,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"PARTIAL\",\"integrityImpact\":\"PARTIAL\",\"availabilityImpact\":\"PARTIAL\"},\"baseSeverity\":\"HIGH\",\"exploitabilityScore\":10.0,\"impactScore\":6.4,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"NVD-CWE-noinfo\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:ruby-lang:openssl:*:*:*:*:*:ruby:*:*\",\"versionEndExcluding\":\"2.1.2\",\"matchCriteriaId\":\"DDD3EC39-B375-4B68-963F-08418673D321\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:ruby-lang:ruby:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"2.3.0\",\"versionEndIncluding\":\"2.3.7\",\"matchCriteriaId\":\"4F4CB899-0054-44BB-A3BD-FB225CC663DB\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:ruby-lang:ruby:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"2.4.0\",\"versionEndIncluding\":\"2.4.4\",\"matchCriteriaId\":\"4A07531E-A788-41ED-8C5D-AAB2F532EA7A\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:ruby-lang:ruby:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"2.5.0\",\"versionEndIncluding\":\"2.5.1\",\"matchCriteriaId\":\"70C32AF6-57D9-4F85-857B-4EFC425D9145\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:ruby-lang:ruby:2.6.0:preview1:*:*:*:*:*:*\",\"matchCriteriaId\":\"787FDFC6-E780-4F95-9E46-C5CF77E7EBC7\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:ruby-lang:ruby:2.6.0:preview2:*:*:*:*:*:*\",\"matchCriteriaId\":\"49B6EEAA-B52E-42B9-A6C2-D65D7C81A0EC\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*\",\"matchCriteriaId\":\"B5A6F2F3-4894-4392-8296-3B8DD2679084\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*\",\"matchCriteriaId\":\"F7016A2A-8365-4F1A-89A2-7A19F2BCAE5B\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*\",\"matchCriteriaId\":\"23A7C53F-B80F-4E6A-AFA9-58EEA84BE11D\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"07C312A0-CD2C-4B9C-B064-6409B25C278F\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"C11E6FB0-C8C0-4527-9AA0-CB9B316F8F43\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"DEECE5FC-CACF-4496-A3E7-164736409252\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:redhat:enterprise_linux:7.4:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"041F9200-4C01-4187-AE34-240E8277B54D\"}]}]}],\"references\":[{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00036.html\",\"source\":\"cve@mitre.org\",\"tags\":[\"Mailing 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  }
}


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