CVE-2015-1855 (GCVE-0-2015-1855)

Vulnerability from cvelistv5 – Published: 2019-11-29 20:46 – Updated: 2024-08-06 04:54
VLAI
Summary
verify_certificate_identity in the OpenSSL extension in Ruby before 2.0.0 patchlevel 645, 2.1.x before 2.1.6, and 2.2.x before 2.2.2 does not properly validate hostnames, which allows remote attackers to spoof servers via vectors related to (1) multiple wildcards, (1) wildcards in IDNA names, (3) case sensitivity, and (4) non-ASCII characters.
Severity
No CVSS data available.
CWE
  • Other
Assigner
References
Impacted products
Vendor Product Version
Ruby Ruby Affected: before 2.0.0 patchlevel 645
Affected: 2.1.x before 2.1.6
Affected: and 2.2.x before 2.2.2
Create a notification for this product.
Date Public
2015-05-02 00:00
Show details on NVD website
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ASCII.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N\",\"baseScore\":5.9,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"HIGH\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":2.2,\"impactScore\":3.6}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:M/Au:N/C:N/I:P/A:N\",\"baseScore\":4.3,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"MEDIUM\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"PARTIAL\",\"availabilityImpact\":\"NONE\"},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":8.6,\"impactScore\":2.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-20\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:ruby-lang:ruby:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"2.1.0\",\"versionEndExcluding\":\"2.1.6\",\"matchCriteriaId\":\"C5793852-ECE3-465A-B8A5-D506744191E9\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:ruby-lang:ruby:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"2.2.0\",\"versionEndExcluding\":\"2.2.2\",\"matchCriteriaId\":\"4E69BA95-2D84-4E80-9617-3B2F2B02D9E9\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:ruby-lang:ruby:2.0.0:-:*:*:*:*:*:*\",\"matchCriteriaId\":\"45B882EE-85F9-42B0-85F3-0B6A9FF4BA5E\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:ruby-lang:ruby:2.0.0:p0:*:*:*:*:*:*\",\"matchCriteriaId\":\"D2423B85-0971-42AC-8B64-819008BC5778\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:ruby-lang:ruby:2.0.0:p195:*:*:*:*:*:*\",\"matchCriteriaId\":\"1C663278-3B2A-4B7C-959A-2AA804467F21\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:ruby-lang:ruby:2.0.0:p247:*:*:*:*:*:*\",\"matchCriteriaId\":\"B7927149-A76A-48BC-8405-7375FC7D7486\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:ruby-lang:ruby:2.0.0:p353:*:*:*:*:*:*\",\"matchCriteriaId\":\"3D627638-64AA-455B-9FEA-093D3773B9FD\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:ruby-lang:ruby:2.0.0:p451:*:*:*:*:*:*\",\"matchCriteriaId\":\"46485519-C2FB-4767-B699-9F51FDCF29E5\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:ruby-lang:ruby:2.0.0:p481:*:*:*:*:*:*\",\"matchCriteriaId\":\"19CF27FB-DCF5-4533-B309-55615AE21A63\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:ruby-lang:ruby:2.0.0:p576:*:*:*:*:*:*\",\"matchCriteriaId\":\"B9865DD1-F2AF-40B6-848A-EA9FD37034DD\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:ruby-lang:ruby:2.0.0:p594:*:*:*:*:*:*\",\"matchCriteriaId\":\"C10BD21E-B9FA-4B57-B617-0108A00D6132\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:ruby-lang:ruby:2.0.0:p598:*:*:*:*:*:*\",\"matchCriteriaId\":\"3D5ABD47-64AC-4844-B78B-F0D3BC3B8F49\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:ruby-lang:ruby:2.0.0:p643:*:*:*:*:*:*\",\"matchCriteriaId\":\"4EF7FDAD-9CAF-452D-B229-EF7C390DE712\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:ruby-lang:trunk:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"50292\",\"matchCriteriaId\":\"4A56FC0D-59AE-48DD-9DD8-3CC0E6DC0F80\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"16F59A04-14CF-49E2-9973-645477EA09DA\"},{\"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:a:puppet:puppet_agent:1.0.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"DCB7E6DC-B6C3-452B-98F7-09D0CE0879E1\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:puppet:puppet_enterprise:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"3.0.0\",\"versionEndExcluding\":\"3.8.0\",\"matchCriteriaId\":\"82B0F981-35E1-4C9D-9D16-DDB0CA341FEF\"}]}]}],\"references\":[{\"url\":\"http://www.debian.org/security/2015/dsa-3245\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"http://www.debian.org/security/2015/dsa-3246\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"http://www.debian.org/security/2015/dsa-3247\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://bugs.ruby-lang.org/issues/9644\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://puppetlabs.com/security/cve/cve-2015-1855\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://www.ruby-lang.org/en/news/2015/04/13/ruby-openssl-hostname-matching-vulnerability/\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"http://www.debian.org/security/2015/dsa-3245\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"http://www.debian.org/security/2015/dsa-3246\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"http://www.debian.org/security/2015/dsa-3247\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://bugs.ruby-lang.org/issues/9644\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://puppetlabs.com/security/cve/cve-2015-1855\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://www.ruby-lang.org/en/news/2015/04/13/ruby-openssl-hostname-matching-vulnerability/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]}]}}"
  }
}


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Tags
Taxonomy of the tags.




Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.