{"id":"CVE-2019-6468","state":"PUBLISHED","title":"BIND Supported Preview Edition can exit with an assertion failure if nxdomain-redirect is used","description":"In BIND Supported Preview Edition, an error in the nxdomain-redirect feature can occur in versions which support EDNS Client Subnet (ECS) features. In those versions which have ECS support, enabling nxdomain-redirect is likely to lead to BIND exiting due to assertion failure. Versions affected: BIND Supported Preview Edition version 9.10.5-S1 -> 9.11.5-S5. ONLY BIND Supported Preview Edition releases are affected.","publishedAt":"2019-10-09T14:17:14.488Z","updatedAt":"2024-09-16T18:44:17.039Z","severity":{"score":5.3,"label":"Medium","version":"3.0","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","source":"isc"},"assigner":"isc","products":["ISC BIND 9 Supported Preview Edition"],"affected":[{"vendor":"ISC","product":"BIND 9 Supported Preview Edition","versions":[{"version":"BIND 9 9.10.5-S1 -> 9.11.5-S5","status":"affected"}]}],"references":["https://kb.isc.org/docs/cve-2019-6468","https://www.synology.com/security/advisory/Synology_SA_19_20"],"weaknesses":[],"ingestedAt":"2026-10-29T19:46:06.737Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2019/6xxx/CVE-2019-6468.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2019-6468","state":"PUBLISHED","datePublished":"2019-10-09T14:17:14.488Z","dateUpdated":"2024-09-16T18:44:17.039Z","assignerShortName":"isc","assignerOrgId":"404fd4d2-a609-4245-b543-2c944a302a22","dateReserved":"2019-01-16T00:00:00.000Z"},"containers":{"cna":{"title":"BIND Supported Preview Edition can exit with an assertion failure if nxdomain-redirect is used","descriptions":[{"lang":"en","value":"In BIND Supported Preview Edition, an error in the nxdomain-redirect feature can occur in versions which support EDNS Client Subnet (ECS) features. 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ONLY BIND Supported Preview Edition releases are affected."}],"affected":[{"vendor":"ISC","product":"BIND 9 Supported Preview Edition","versions":[{"version":"BIND 9 9.10.5-S1 -> 9.11.5-S5","status":"affected"}]}],"references":[{"url":"https://kb.isc.org/docs/cve-2019-6468","tags":["x_refsource_CONFIRM"]},{"url":"https://www.synology.com/security/advisory/Synology_SA_19_20","tags":["x_refsource_CONFIRM"]}],"metrics":[{"cvssV3_0":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"LOW","baseScore":5.3,"baseSeverity":"MEDIUM","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:L","version":"3.0"}}],"problemTypes":[{"descriptions":[{"description":"If nxdomain-redirect is enabled (via configuration) in a vulnerable BIND release, a malicious party can cause BIND to exit by deliberately triggering the bug.","lang":"en","type":"text"}]}],"providerMetadata":{"shortName":"isc","dateUpdated":"2019-12-18T17:06:12.000Z","orgId":"404fd4d2-a609-4245-b543-2c944a302a22"},"credits":[{"lang":"en","value":"ISC would like to thank Quad9 for reporting this issue."}],"datePublic":"2019-04-24T00:00:00.000Z","solutions":[{"lang":"en","value":"Upgrade to the patched release most closely related to your current version of BIND:\n\nBIND Supported Preview Edition is a special feature preview branch of BIND provided to eligible ISC support customers.\n\n+    BIND 9.11.5-S6\n+    BIND 9.11.6-S1"}],"source":{"discovery":"USER"},"workarounds":[{"lang":"en","value":"Exploitation of this defect can be effectively prevented by disabling the nxdomain-redirect feature in the nameserver's configuration."}],"x_generator":{"engine":"Vulnogram 0.0.7"},"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"security-officer@isc.org","DATE_PUBLIC":"2019-04-24T23:00:00.000Z","ID":"CVE-2019-6468","STATE":"PUBLIC","TITLE":"BIND Supported Preview Edition can exit with an assertion failure if nxdomain-redirect is used"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"BIND 9 Supported Preview Edition","version":{"version_data":[{"version_name":"BIND 9","version_value":"9.10.5-S1 -> 9.11.5-S5"}]}}]},"vendor_name":"ISC"}]}},"credit":[{"lang":"eng","value":"ISC would like to thank Quad9 for reporting this issue."}],"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"In BIND Supported Preview Edition, an error in the nxdomain-redirect feature can occur in versions which support EDNS Client Subnet (ECS) features. In those versions which have ECS support, enabling nxdomain-redirect is likely to lead to BIND exiting due to assertion failure. Versions affected: BIND Supported Preview Edition version 9.10.5-S1 -> 9.11.5-S5. 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