CVE-2016-2125 (GCVE-0-2016-2125)

Vulnerability from cvelistv5 – Published: 2018-10-31 20:00 – Updated: 2024-08-05 23:17
VLAI
Summary
It was found that Samba before versions 4.5.3, 4.4.8, 4.3.13 always requested forwardable tickets when using Kerberos authentication. A service to which Samba authenticated using Kerberos could subsequently use the ticket to impersonate Samba to other services or domain users.
Severity
6.4 (Medium)
CVSS:3.0/AV:A/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N
CWE
Assigner
References
URL Tags
http://rhn.redhat.com/errata/RHSA-2017-0495.html vendor-advisoryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2… x_refsource_CONFIRM
http://rhn.redhat.com/errata/RHSA-2017-0494.html vendor-advisoryx_refsource_REDHAT
http://www.securitytracker.com/id/1037494 vdb-entryx_refsource_SECTRACK
https://access.redhat.com/errata/RHSA-2017:1265 vendor-advisoryx_refsource_REDHAT
http://www.securityfocus.com/bid/94988 vdb-entryx_refsource_BID
https://www.samba.org/samba/security/CVE-2016-2125.html x_refsource_CONFIRM
http://rhn.redhat.com/errata/RHSA-2017-0744.html vendor-advisoryx_refsource_REDHAT
http://rhn.redhat.com/errata/RHSA-2017-0662.html vendor-advisoryx_refsource_REDHAT
Impacted products
Vendor Product Version
[UNKNOWN] samba Affected: 4.5.3
Affected: 4.4.8
Affected: 4.3.13
Create a notification for this product.
Date Public
2016-12-19 00:00
Show details on NVD website
To clipboard 

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    "nvd": "{\"cve\":{\"id\":\"CVE-2016-2125\",\"sourceIdentifier\":\"secalert@redhat.com\",\"published\":\"2018-10-31T20:29:00.247\",\"lastModified\":\"2024-11-21T02:47:52.913\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"It was found that Samba before versions 4.5.3, 4.4.8, 4.3.13 always requested forwardable tickets when using Kerberos authentication. A service to which Samba authenticated using Kerberos could subsequently use the ticket to impersonate Samba to other services or domain users.\"},{\"lang\":\"es\",\"value\":\"Se ha descubierto que Samba, en versiones anteriores a la 4.5.3, 4.4.8 y 4.3.13, siempre solicitaba tickets que pod\u00edan reenviarse al emplear la autenticaci\u00f3n de Kerberos. Un servicio al que Samba se ha autenticado con Kerberos podr\u00eda emplear el ticket para suplantar Samba con otros usuarios de servicios o dominios.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N\",\"baseScore\":6.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"ADJACENT_NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":2.8,\"impactScore\":3.6}],\"cvssMetricV30\":[{\"source\":\"secalert@redhat.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.0\",\"vectorString\":\"CVSS:3.0/AV:A/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N\",\"baseScore\":6.4,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"ADJACENT_NETWORK\",\"attackComplexity\":\"HIGH\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"REQUIRED\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":1.2,\"impactScore\":5.2}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:A/AC:L/Au:N/C:P/I:N/A:N\",\"baseScore\":3.3,\"accessVector\":\"ADJACENT_NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"PARTIAL\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"NONE\"},\"baseSeverity\":\"LOW\",\"exploitabilityScore\":6.5,\"impactScore\":2.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"secalert@redhat.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-287\"}]},{\"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:samba:samba:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"3.0.25\",\"versionEndExcluding\":\"4.3.13\",\"matchCriteriaId\":\"4A8F34E8-7040-4DB7-9979-DD2D20C8D03C\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.4.0\",\"versionEndExcluding\":\"4.4.8\",\"matchCriteriaId\":\"9A963A86-CAF4-4882-B9DC-E9C7CDA2764C\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.5.0\",\"versionEndExcluding\":\"4.5.3\",\"matchCriteriaId\":\"6044E13A-532E-403E-AA23-4A77771D2094\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:redhat:gluster_storage:3.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"F1986832-44C9-491E-A75D-AAD8FAE683E6\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"EE249E1B-A1FD-4E08-AA71-A0E1F10FFE97\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"33C068A4-3780-4EAB-A937-6082DF847564\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"9BBCD86A-E6C7-4444-9D74-F861084090F0\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"51EF4996-72F4-4FA4-814F-F5991E7A8318\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:redhat:enterprise_linux_server_aus:7.4:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"D99A687E-EAE6-417E-A88E-D0082BC194CD\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"B353CE99-D57C-465B-AAB0-73EF581127D1\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:redhat:enterprise_linux_server_eus:7.3:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"A8442C20-41F9-47FD-9A12-E724D3A31FD7\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:redhat:enterprise_linux_server_eus:7.4:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"9EC0D196-F7B8-4BDD-9050-779F7A7FBEE4\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:redhat:enterprise_linux_server_eus:7.5:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"A4E9DD8A-A68B-4A69-8B01-BFF92A2020A8\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:redhat:enterprise_linux_server_eus:7.6:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"BF77CDCF-B9C9-427D-B2BF-36650FB2148C\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:redhat:enterprise_linux_server_tus:7.3:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"24C0F4E1-C52C-41E0-9F14-F83ADD5CC7ED\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:redhat:enterprise_linux_server_tus:7.6:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"B76AA310-FEC7-497F-AF04-C3EC1E76C4CC\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"E5ED5807-55B7-47C5-97A6-03233F4FBC3A\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:redhat:enterprise_linu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Party Advisory\"]},{\"url\":\"http://rhn.redhat.com/errata/RHSA-2017-0495.html\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"http://rhn.redhat.com/errata/RHSA-2017-0662.html\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"http://rhn.redhat.com/errata/RHSA-2017-0744.html\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"http://www.securityfocus.com/bid/94988\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Third Party Advisory\",\"VDB Entry\"]},{\"url\":\"http://www.securitytracker.com/id/1037494\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Third Party Advisory\",\"VDB Entry\"]},{\"url\":\"https://access.redhat.com/errata/RHSA-2017:1265\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-2125\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Issue Tracking\",\"Mitigation\",\"Third Party Advisory\"]},{\"url\":\"https://www.samba.org/samba/security/CVE-2016-2125.html\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Mitigation\",\"Patch\",\"Vendor Advisory\"]},{\"url\":\"http://rhn.redhat.com/errata/RHSA-2017-0494.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"http://rhn.redhat.com/errata/RHSA-2017-0495.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"http://rhn.redhat.com/errata/RHSA-2017-0662.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"http://rhn.redhat.com/errata/RHSA-2017-0744.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"http://www.securityfocus.com/bid/94988\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\",\"VDB Entry\"]},{\"url\":\"http://www.securitytracker.com/id/1037494\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\",\"VDB Entry\"]},{\"url\":\"https://access.redhat.com/errata/RHSA-2017:1265\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-2125\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Issue Tracking\",\"Mitigation\",\"Third Party Advisory\"]},{\"url\":\"https://www.samba.org/samba/security/CVE-2016-2125.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Mitigation\",\"Patch\",\"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.