CVE-2017-9461 (GCVE-0-2017-9461)

Vulnerability from cvelistv5 – Published: 2017-06-06 21:00 – Updated: 2024-08-05 17:11
VLAI
Summary
smbd in Samba before 4.4.10 and 4.5.x before 4.5.6 has a denial of service vulnerability (fd_open_atomic infinite loop with high CPU usage and memory consumption) due to wrongly handling dangling symlinks.
Severity
6.5 (Medium)
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE
  • n/a
Assigner
References
Date Public
2017-06-06 00:00
Show details on NVD website
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colgantes.\"}],\"metrics\":{\"cvssMetricV30\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.0\",\"vectorString\":\"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":6.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":2.8,\"impactScore\":3.6}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:L/Au:S/C:N/I:N/A:C\",\"baseScore\":6.8,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"SINGLE\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"COMPLETE\"},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":8.0,\"impactScore\":6.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-835\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:*\",\"versionEndIncluding\":\"4.4.9\",\"matchCriteriaId\":\"BCA1676B-E93D-4B1B-87EB-5E9A3F38C13A\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:samba:samba:4.5.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"8400346B-095A-4022-A454-1E0782B66357\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:samba:samba:4.5.1:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"E0F44626-3477-4804-88D7-847DEC41AA2E\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:samba:samba:4.5.2:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"C992A5CB-44AF-4F93-934B-D6995886B2D3\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:samba:samba:4.5.3:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"0ACE5BE1-B4A8-4B91-AC51-146C82AB8E44\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:samba:samba:4.5.4:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"29627C2E-FA74-4908-9AFC-6721AD841CC6\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:samba:samba:4.5.5:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"D1612767-5F6E-450C-ADC0-75612C7B5B5A\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"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: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:7.4:*:*:*:*:*:*:*\",\"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:7.6:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"B76AA310-FEC7-497F-AF04-C3EC1E76C4CC\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"825ECE2D-E232-46E0-A047-074B34DB1E97\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"C11E6FB0-C8C0-4527-9AA0-CB9B316F8F43\"}]}]}],\"references\":[{\"url\":\"http://www.securityfocus.com/bid/99455\",\"source\":\"cve@mitre.org\",\"tags\":[\"Third Party Advisory\",\"VDB Entry\"]},{\"url\":\"https://access.redhat.com/errata/RHSA-2017:1950\",\"source\":\"cve@mitre.org\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://access.redhat.com/errata/RHSA-2017:2338\",\"source\":\"cve@mitre.org\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://access.redhat.com/errata/RHSA-2017:2778\",\"source\":\"cve@mitre.org\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://bugs.debian.org/864291\",\"source\":\"cve@mitre.org\",\"tags\":[\"Exploit\",\"Issue Tracking\",\"Patch\",\"Third Party Advisory\"]},{\"url\":\"https://bugzilla.samba.org/show_bug.cgi?id=12572\",\"source\":\"cve@mitre.org\",\"tags\":[\"Exploit\",\"Issue Tracking\",\"Patch\",\"Third Party Advisory\",\"VDB Entry\"]},{\"url\":\"https://git.samba.org/?p=samba.git%3Ba=commit%3Bh=10c3e3923022485c720f322ca4f0aca5d7501310\",\"source\":\"cve@mitre.org\"},{\"url\":\"https://lists.debian.org/debian-lts-announce/2019/04/msg00013.html\",\"source\":\"cve@mitre.org\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"http://www.securityfocus.com/bid/99455\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\",\"VDB Entry\"]},{\"url\":\"https://access.redhat.com/errata/RHSA-2017:1950\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://access.redhat.com/errata/RHSA-2017:2338\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://access.redhat.com/errata/RHSA-2017:2778\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://bugs.debian.org/864291\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Exploit\",\"Issue Tracking\",\"Patch\",\"Third Party Advisory\"]},{\"url\":\"https://bugzilla.samba.org/show_bug.cgi?id=12572\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Exploit\",\"Issue Tracking\",\"Patch\",\"Third Party Advisory\",\"VDB Entry\"]},{\"url\":\"https://git.samba.org/?p=samba.git%3Ba=commit%3Bh=10c3e3923022485c720f322ca4f0aca5d7501310\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://lists.debian.org/debian-lts-announce/2019/04/msg00013.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]}]}}",
    "redhat_vex": {
      "aggregate_severity": "Low",
      "current_release_date": "2026-05-13T04:07:57+00:00",
      "cve": "CVE-2017-9461",
      "id": "CVE-2017-9461",
      "initial_release_date": "2017-02-16T00:00:00+00:00",
      "product_status:fixed": "1394",
      "product_status:known_affected": "15",
      "product_status:known_not_affected": "16",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "samba: fd_open_atomic infinite loop due to wrong handling of dangling symlinks",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2017/cve-2017-9461.json",
      "version": "3"
    }
  }
}



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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.