CVE-2018-5740 (GCVE-0-2018-5740)

Vulnerability from cvelistv5 – Published: 2019-01-16 20:00 – Updated: 2024-09-16 17:58
VLAI
Title
A flaw in the "deny-answer-aliases" feature can cause an assertion failure in named
Summary
"deny-answer-aliases" is a little-used feature intended to help recursive server operators protect end users against DNS rebinding attacks, a potential method of circumventing the security model used by client browsers. However, a defect in this feature makes it easy, when the feature is in use, to experience an assertion failure in name.c. Affects BIND 9.7.0->9.8.8, 9.9.0->9.9.13, 9.10.0->9.10.8, 9.11.0->9.11.4, 9.12.0->9.12.2, 9.13.0->9.13.2.
Severity
7.5 (High)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE
  • Accidental or deliberate triggering of this defect will cause a REQUIRE assertion failure in named, causing the named process to stop execution and resulting in denial of service to clients.
  • Accidental or deliberate triggering of this defect will cause a REQUIRE assertion failure in named, causing the named process to stop execution and resulting in denial of service to clients. Only servers which have explicitly enabled the "deny-answer-aliases" feature are at risk and disabling the feature prevents exploitation.
Assigner
isc
References
URL Tags
http://www.securityfocus.com/bid/105055 vdb-entryx_refsource_BID
https://lists.debian.org/debian-lts-announce/2018… mailing-listx_refsource_MLIST
https://access.redhat.com/errata/RHSA-2018:2570 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2018:2571 vendor-advisoryx_refsource_REDHAT
https://usn.ubuntu.com/3769-2/ vendor-advisoryx_refsource_UBUNTU
http://www.securitytracker.com/id/1041436 vdb-entryx_refsource_SECTRACK
https://security.netapp.com/advisory/ntap-2018092… x_refsource_CONFIRM
https://kb.isc.org/docs/aa-01639 x_refsource_CONFIRM
https://usn.ubuntu.com/3769-1/ vendor-advisoryx_refsource_UBUNTU
https://security.gentoo.org/glsa/201903-13 vendor-advisoryx_refsource_GENTOO
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
https://support.hpe.com/hpsc/doc/public/display?d… x_refsource_CONFIRM
https://lists.debian.org/debian-lts-announce/2021… mailing-listx_refsource_MLIST
Impacted products
Vendor Product Version
ISC BIND 9 Affected: BIND 9 9.7.0->9.8.8, 9.9.0->9.9.13, 9.10.0->9.10.8, 9.11.0->9.11.4, 9.12.0->9.12.2, 9.13.0->9.13.2
Create a notification for this product.
Date Public
2018-08-08 00:00
Credits
ISC would like to thank Tony Finch of the University of Cambridge for reporting this issue.
Show details on NVD website
To clipboard 

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    "nvd": "{\"cve\":{\"id\":\"CVE-2018-5740\",\"sourceIdentifier\":\"security-officer@isc.org\",\"published\":\"2019-01-16T20:29:01.017\",\"lastModified\":\"2024-11-21T04:09:17.547\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"\\\"deny-answer-aliases\\\" is a little-used feature intended to help recursive server operators protect end users against DNS rebinding attacks, a potential method of circumventing the security model used by client browsers. However, a defect in this feature makes it easy, when the feature is in use, to experience an assertion failure in name.c. Affects BIND 9.7.0-\u003e9.8.8, 9.9.0-\u003e9.9.13, 9.10.0-\u003e9.10.8, 9.11.0-\u003e9.11.4, 9.12.0-\u003e9.12.2, 9.13.0-\u003e9.13.2.\"},{\"lang\":\"es\",\"value\":\"\\\"deny-answer-aliases\\\" es una caracter\u00edstica poco utilizada que pretende ayudar a los operadores recursivos del servidor a proteger a los usuarios finales contra ataques de reenlace DNS, un m\u00e9todo para poder eludir el modelo de seguridad empleado por los navegadores del cliente. Sin embargo, un defecto en esta caracter\u00edstica hace que sea sencillo experimentar un fallo de aserci\u00f3n en name.c. Afecta a BIND desde la versi\u00f3n 9.7.0 hasta la versi\u00f3n 9.8.8, desde la versi\u00f3n 9.9.0 hasta la versi\u00f3n 9.9.13, desde la versi\u00f3n 9.10.0 hasta la versi\u00f3n 9.10.8, desde la versi\u00f3n 9.11.0 hasta la versi\u00f3n 9.11.4, desde la versi\u00f3n 9.12.0 hasta la versi\u00f3n 9.12.2 y desde la versi\u00f3n 9.13.0 hasta la versi\u00f3n 9.13.2.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":7.5,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":3.9,\"impactScore\":3.6}],\"cvssMetricV30\":[{\"source\":\"security-officer@isc.org\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.0\",\"vectorString\":\"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":7.5,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":3.9,\"impactScore\":3.6}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:L/Au:N/C:N/I:N/A:P\",\"baseScore\":5.0,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"PARTIAL\"},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":10.0,\"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-617\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:isc:bind:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"9.7.0\",\"versionEndExcluding\":\"9.8.8\",\"matchCriteriaId\":\"DCCA7B30-3344-4718-8B34-FE60CCE4487C\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:isc:bind:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"9.9.0\",\"versionEndExcluding\":\"9.9.13\",\"matchCriteriaId\":\"7F17A1AB-48E7-48B7-97CC-BD270649F856\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:isc:bind:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"9.10.0\",\"versionEndExcluding\":\"9.10.8\",\"matchCriteriaId\":\"EF340133-E86A-4A6D-9775-E66B46829700\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:isc:bind:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"9.11.0\",\"versionEndExcluding\":\"9.11.4\",\"matchCriteriaId\":\"94AD1D77-45DD-49F2-AA16-6E3A3BF8F5C9\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:isc:bind:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"9.12.0\",\"versionEndExcluding\":\"9.12.2\",\"matchCriteriaId\":\"5464FDED-E02B-486F-8699-CB7B9D623A59\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:isc:bind:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"9.13.0\",\"versionEndExcluding\":\"9.13.2\",\"matchCriteriaId\":\"0484A7C1-5E99-49A6-BE21-BB201D2D0EFA\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"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:7.6:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"B353CE99-D57C-465B-AAB0-73EF581127D1\"},{\"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_workstation:6.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"E5ED5807-55B7-47C5-97A6-03233F4FBC3A\"},{\"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\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"DEECE5FC-CACF-4496-A3E7-164736409252\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"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  }
}


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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.