CVE-2016-2775

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option is enabled, allows remote attackers to cause a denial of service (daemon crash) via a long request that uses the lightweight resolver protocol."}, {"lang": "es", "value": "ISC BIND 9.x en versiones anteriores a 9.9.9-P2, 9.10.x en versiones anteriores a 9.10.4-P2 y 9.11.x en versiones anteriores a 9.11.0b2, cuando lwresd o la opci\u00f3n nombrada lwres est\u00e1 habilitada, permite a atacantes remotos provocar una denegaci\u00f3n de servicio (ca\u00edda del demonio) a trav\u00e9s de una petici\u00f3n larga que utiliza el protocolo ligero de resoluci\u00f3n."}], "id": "CVE-2016-2775", "lastModified": "2026-06-17T00:44:22.530", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 4.3, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 5.9, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2016-07-19T22:59:00.147", "references": [{"source": "cve@mitre.org", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/92037"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securitytracker.com/id/1036360"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://access.redhat.com/errata/RHBA-2017:0651"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://access.redhat.com/errata/RHBA-2017:1767"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://access.redhat.com/errata/RHSA-2017:2533"}, {"source": "cve@mitre.org", "tags": ["Patch", "Vendor Advisory"], "url": "https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05321107"}, {"source": "cve@mitre.org", "tags": ["Patch", "Vendor Advisory"], "url": "https://kb.isc.org/article/AA-01393/74/CVE-2016-2775"}, {"source": "cve@mitre.org", "tags": ["Broken Link"], "url": "https://kb.isc.org/article/AA-01435"}, {"source": "cve@mitre.org", "tags": ["Broken Link"], "url": "https://kb.isc.org/article/AA-01436"}, {"source": "cve@mitre.org", "tags": ["Broken Link"], "url": "https://kb.isc.org/article/AA-01438"}, {"source": "cve@mitre.org", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7T2WJP5ELO4ZRSBXSETIZ3GAO6KOEFTA/"}, {"source": "cve@mitre.org", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MZUCSMEOZIZ2R2SKA4FPLTOVZHJBAOWC/"}, {"source": "cve@mitre.org", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NJ5STNEUHBNEPUHJT7CYEVSMATFYMIX7/"}, {"source": "cve@mitre.org", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TT754KDUJTKOASJODJX7FKHCOQ6EC7UX/"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://security.gentoo.org/glsa/201610-07"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://security.netapp.com/advisory/ntap-20160722-0002/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/92037"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securitytracker.com/id/1036360"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://access.redhat.com/errata/RHBA-2017:0651"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://access.redhat.com/errata/RHBA-2017:1767"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://access.redhat.com/errata/RHSA-2017:2533"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Vendor Advisory"], "url": "https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05321107"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Vendor Advisory"], "url": "https://kb.isc.org/article/AA-01393/74/CVE-2016-2775"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Broken Link"], "url": "https://kb.isc.org/article/AA-01435"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Broken Link"], "url": "https://kb.isc.org/article/AA-01436"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Broken Link"], "url": "https://kb.isc.org/article/AA-01438"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7T2WJP5ELO4ZRSBXSETIZ3GAO6KOEFTA/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MZUCSMEOZIZ2R2SKA4FPLTOVZHJBAOWC/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NJ5STNEUHBNEPUHJT7CYEVSMATFYMIX7/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TT754KDUJTKOASJODJX7FKHCOQ6EC7UX/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://security.gentoo.org/glsa/201610-07"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://security.netapp.com/advisory/ntap-20160722-0002/"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-20"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHBA-2017:0651", "cpe": "cpe:/o:redhat:enterprise_linux:6", "package": "bind-32:9.8.2-0.62.rc1.el6", "product_name": "Red Hat Enterprise Linux 6", "release_date": "2017-03-21T00:00:00Z"}, {"advisory": "RHBA-2017:1767", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "bind-32:9.9.4-50.el7", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2017-08-01T00:00:00Z"}, {"advisory": "RHSA-2017:2533", "cpe": "cpe:/o:redhat:rhel_eus:7.2", "package": "bind-32:9.9.4-29.el7_2.7", "product_name": "Red Hat Enterprise Linux 7.2 Extended Update Support", "release_date": "2017-08-24T00:00:00Z"}, {"advisory": "RHSA-2017:2533", "cpe": "cpe:/o:redhat:rhel_eus:7.3", "package": "bind-32:9.9.4-50.el7_3.2", "product_name": "Red Hat Enterprise Linux 7.3 Extended Update Support", "release_date": "2017-08-24T00:00:00Z"}], "bugzilla": {"description": "bind: Too long query name causes segmentation fault in lwresd", "id": "1357803", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1357803"}, "csaw": false, "cvss": {"cvss_base_score": "4.3", "cvss_scoring_vector": "AV:N/AC:M/Au:N/C:N/I:N/A:P", "status": "verified"}, "cvss3": {"cvss3_base_score": "5.9", "cvss3_scoring_vector": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H", "status": "verified"}, "cwe": "CWE-20", "details": ["ISC BIND 9.x before 9.9.9-P2, 9.10.x before 9.10.4-P2, and 9.11.x before 9.11.0b2, when lwresd or the named lwres option is enabled, allows remote attackers to cause a denial of service (daemon crash) via a long request that uses the lightweight resolver protocol.", "It was found that the lightweight resolver protocol implementation in BIND could enter an infinite recursion and crash when asked to resolve a query name which, when combined with a search list entry, exceeds the maximum allowable length. A remote attacker could use this flaw to crash lwresd or named when using the \"lwres\" statement in named.conf."], "name": "CVE-2016-2775", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Will not fix", "package_name": "bind", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Will not fix", "package_name": "bind97", "product_name": "Red Hat Enterprise Linux 5"}], "public_date": "2016-07-18T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2016-2775\nhttps://nvd.nist.gov/vuln/detail/CVE-2016-2775\nhttps://kb.isc.org/article/AA-01393/"], "threat_severity": "Moderate"}

{}