{ "containers": { "cna": { "affected": [ { "product": "BIND 9", "vendor": "ISC", "versions": [ { "status": "affected", "version": "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" } ] } ], "configurations": [ { "lang": "en", "value": "Only servers which have explicitly enabled the \"deny-answer-aliases\" feature are at risk and disabling the feature prevents exploitation." } ], "credits": [ { "lang": "en", "value": "ISC would like to thank Tony Finch of the University of Cambridge for reporting this issue." } ], "datePublic": "2018-08-08T00:00:00", "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->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." } ], "metrics": [ { "cvssV3_0": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.0" } } ], "problemTypes": [ { "descriptions": [ { "description": "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.", "lang": "en", "type": "text" }, { "description": "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.", "lang": "en", "type": "text" } ] } ], "providerMetadata": { "dateUpdated": "2021-11-02T03:06:16", "orgId": "404fd4d2-a609-4245-b543-2c944a302a22", "shortName": "isc" }, "references": [ { "name": "105055", "tags": [ "vdb-entry", "x_refsource_BID" ], "url": "http://www.securityfocus.com/bid/105055" }, { "name": "[debian-lts-announce] 20180830 [SECURITY] [DLA 1485-1] bind9 security update", "tags": [ "mailing-list", "x_refsource_MLIST" ], "url": "https://lists.debian.org/debian-lts-announce/2018/08/msg00033.html" }, { "name": "RHSA-2018:2570", "tags": [ "vendor-advisory", "x_refsource_REDHAT" ], "url": "https://access.redhat.com/errata/RHSA-2018:2570" }, { "name": "RHSA-2018:2571", "tags": [ "vendor-advisory", "x_refsource_REDHAT" ], "url": "https://access.redhat.com/errata/RHSA-2018:2571" }, { "name": "USN-3769-2", "tags": [ "vendor-advisory", "x_refsource_UBUNTU" ], "url": "https://usn.ubuntu.com/3769-2/" }, { "name": "1041436", "tags": [ "vdb-entry", "x_refsource_SECTRACK" ], "url": "http://www.securitytracker.com/id/1041436" }, { "tags": [ "x_refsource_CONFIRM" ], "url": "https://security.netapp.com/advisory/ntap-20180926-0003/" }, { "tags": [ "x_refsource_CONFIRM" ], "url": "https://kb.isc.org/docs/aa-01639" }, { "name": "USN-3769-1", "tags": [ "vendor-advisory", "x_refsource_UBUNTU" ], "url": "https://usn.ubuntu.com/3769-1/" }, { "name": "GLSA-201903-13", "tags": [ "vendor-advisory", "x_refsource_GENTOO" ], "url": "https://security.gentoo.org/glsa/201903-13" }, { "name": "openSUSE-SU-2019:1533", "tags": [ "vendor-advisory", "x_refsource_SUSE" ], "url": "http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00027.html" }, { "name": "openSUSE-SU-2019:1532", "tags": [ "vendor-advisory", "x_refsource_SUSE" ], "url": "http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00026.html" }, { "tags": [ "x_refsource_CONFIRM" ], "url": "https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03927en_us" }, { "name": "[debian-lts-announce] 20211102 [SECURITY] [DLA 2807-1] bind9 security update", "tags": [ "mailing-list", "x_refsource_MLIST" ], "url": "https://lists.debian.org/debian-lts-announce/2021/11/msg00001.html" } ], "solutions": [ { "lang": "en", "value": "Most operators will not need to make any changes unless they are using the \"deny-answer-aliases\" feature (which is described in the BIND 9 Adminstrator Reference Manual section 6.2.) \"deny-answer-aliases\" is off by default; only configurations which explicitly enable it can be affected by this defect.\n\nIf you are using \"deny-answer-aliases\", upgrade to the patched release most closely related to your current version of BIND.\n\n 9.9.13-P1\n 9.10.8-P1\n 9.11.4-P1\n 9.12.2-P1\n\nBIND Supported Preview Edition is a special feature preview branch of BIND provided to eligible ISC support customers.\n\n 9.11.3-S3" } ], "source": { "discovery": "EXTERNAL" }, "title": "A flaw in the \"deny-answer-aliases\" feature can cause an assertion failure in named", "workarounds": [ { "lang": "en", "value": "This vulnerability can be avoided by disabling the \"deny-answer-aliases\" feature if it is in use." } ], "x_legacyV4Record": { "CVE_data_meta": { "ASSIGNER": "security-officer@isc.org", "DATE_PUBLIC": "2018-08-08T08:00:00.000Z", "ID": "CVE-2018-5740", "STATE": "PUBLIC", "TITLE": "A flaw in the \"deny-answer-aliases\" feature can cause an assertion failure in named" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "BIND 9", "version": { "version_data": [ { "version_name": "BIND 9", "version_value": "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" } ] } } ] }, "vendor_name": "ISC" } ] } }, "configuration": [ { "lang": "en", "value": "Only servers which have explicitly enabled the \"deny-answer-aliases\" feature are at risk and disabling the feature prevents exploitation." } ], "credit": [ { "lang": "eng", "value": "ISC would like to thank Tony Finch of the University of Cambridge for reporting this issue." } ], "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "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->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." } ] }, "impact": { "cvss": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.0" } }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "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." }, { "lang": "eng", "value": "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." } ] } ] }, "references": { "reference_data": [ { "name": "105055", "refsource": "BID", "url": "http://www.securityfocus.com/bid/105055" }, { "name": "[debian-lts-announce] 20180830 [SECURITY] [DLA 1485-1] bind9 security update", "refsource": "MLIST", "url": "https://lists.debian.org/debian-lts-announce/2018/08/msg00033.html" }, { "name": "RHSA-2018:2570", "refsource": "REDHAT", "url": "https://access.redhat.com/errata/RHSA-2018:2570" }, { "name": "RHSA-2018:2571", "refsource": "REDHAT", "url": "https://access.redhat.com/errata/RHSA-2018:2571" }, { "name": "USN-3769-2", "refsource": "UBUNTU", "url": "https://usn.ubuntu.com/3769-2/" }, { "name": "1041436", "refsource": "SECTRACK", "url": "http://www.securitytracker.com/id/1041436" }, { "name": "https://security.netapp.com/advisory/ntap-20180926-0003/", "refsource": "CONFIRM", "url": "https://security.netapp.com/advisory/ntap-20180926-0003/" }, { "name": "https://kb.isc.org/docs/aa-01639", "refsource": "CONFIRM", "url": "https://kb.isc.org/docs/aa-01639" }, { "name": "USN-3769-1", "refsource": "UBUNTU", "url": "https://usn.ubuntu.com/3769-1/" }, { "name": "GLSA-201903-13", "refsource": "GENTOO", "url": "https://security.gentoo.org/glsa/201903-13" }, { "name": "openSUSE-SU-2019:1533", "refsource": "SUSE", "url": "http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00027.html" }, { "name": "openSUSE-SU-2019:1532", "refsource": "SUSE", "url": "http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00026.html" }, { "name": "https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03927en_us", "refsource": "CONFIRM", "url": "https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03927en_us" }, { "name": "[debian-lts-announce] 20211102 [SECURITY] [DLA 2807-1] bind9 security update", "refsource": "MLIST", "url": "https://lists.debian.org/debian-lts-announce/2021/11/msg00001.html" } ] }, "solution": [ { "lang": "en", "value": "Most operators will not need to make any changes unless they are using the \"deny-answer-aliases\" feature (which is described in the BIND 9 Adminstrator Reference Manual section 6.2.) \"deny-answer-aliases\" is off by default; only configurations which explicitly enable it can be affected by this defect.\n\nIf you are using \"deny-answer-aliases\", upgrade to the patched release most closely related to your current version of BIND.\n\n 9.9.13-P1\n 9.10.8-P1\n 9.11.4-P1\n 9.12.2-P1\n\nBIND Supported Preview Edition is a special feature preview branch of BIND provided to eligible ISC support customers.\n\n 9.11.3-S3" } ], "source": { "discovery": "EXTERNAL" }, "work_around": [ { "lang": "en", "value": "This vulnerability can be avoided by disabling the \"deny-answer-aliases\" feature if it is in use." } ] } }, "adp": [ { "providerMetadata": { "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-05T05:40:51.365Z" }, "title": "CVE Program Container", "references": [ { "name": "105055", "tags": [ "vdb-entry", "x_refsource_BID", "x_transferred" ], "url": "http://www.securityfocus.com/bid/105055" }, { "name": "[debian-lts-announce] 20180830 [SECURITY] [DLA 1485-1] bind9 security update", "tags": [ "mailing-list", "x_refsource_MLIST", "x_transferred" ], "url": "https://lists.debian.org/debian-lts-announce/2018/08/msg00033.html" }, { "name": "RHSA-2018:2570", "tags": [ "vendor-advisory", "x_refsource_REDHAT", "x_transferred" ], "url": "https://access.redhat.com/errata/RHSA-2018:2570" }, { "name": "RHSA-2018:2571", "tags": [ "vendor-advisory", "x_refsource_REDHAT", "x_transferred" ], "url": "https://access.redhat.com/errata/RHSA-2018:2571" }, { "name": "USN-3769-2", "tags": [ "vendor-advisory", "x_refsource_UBUNTU", "x_transferred" ], "url": "https://usn.ubuntu.com/3769-2/" }, { "name": "1041436", "tags": [ "vdb-entry", "x_refsource_SECTRACK", "x_transferred" ], "url": "http://www.securitytracker.com/id/1041436" }, { "tags": [ "x_refsource_CONFIRM", "x_transferred" ], "url": "https://security.netapp.com/advisory/ntap-20180926-0003/" }, { "tags": [ "x_refsource_CONFIRM", "x_transferred" ], "url": "https://kb.isc.org/docs/aa-01639" }, { "name": "USN-3769-1", "tags": [ "vendor-advisory", "x_refsource_UBUNTU", "x_transferred" ], "url": "https://usn.ubuntu.com/3769-1/" }, { "name": "GLSA-201903-13", "tags": [ "vendor-advisory", "x_refsource_GENTOO", "x_transferred" ], "url": "https://security.gentoo.org/glsa/201903-13" }, { "name": "openSUSE-SU-2019:1533", "tags": [ "vendor-advisory", "x_refsource_SUSE", "x_transferred" ], "url": "http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00027.html" }, { "name": "openSUSE-SU-2019:1532", "tags": [ "vendor-advisory", "x_refsource_SUSE", "x_transferred" ], "url": "http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00026.html" }, { "tags": [ "x_refsource_CONFIRM", "x_transferred" ], "url": "https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03927en_us" }, { "name": "[debian-lts-announce] 20211102 [SECURITY] [DLA 2807-1] bind9 security update", "tags": [ "mailing-list", "x_refsource_MLIST", "x_transferred" ], "url": "https://lists.debian.org/debian-lts-announce/2021/11/msg00001.html" } ] } ] }, "cveMetadata": { "assignerOrgId": "404fd4d2-a609-4245-b543-2c944a302a22", "assignerShortName": "isc", "cveId": "CVE-2018-5740", "datePublished": "2019-01-16T20:00:00Z", "dateReserved": "2018-01-17T00:00:00", "dateUpdated": "2024-09-16T17:58:43.029Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1" }