{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2023-5517","assignerOrgId":"404fd4d2-a609-4245-b543-2c944a302a22","state":"PUBLISHED","assignerShortName":"isc","dateReserved":"2023-10-11T07:02:42.359Z","datePublished":"2024-02-13T14:04:54.389Z","dateUpdated":"2025-02-13T17:25:39.556Z"},"containers":{"cna":{"providerMetadata":{"orgId":"404fd4d2-a609-4245-b543-2c944a302a22","shortName":"isc","dateUpdated":"2024-05-03T13:06:16.924Z"},"title":"Querying RFC 1918 reverse zones may cause an assertion failure when \"nxdomain-redirect\" is enabled","datePublic":"2024-02-13T00:00:00.000Z","affected":[{"vendor":"ISC","product":"BIND 9","versions":[{"version":"9.12.0","lessThanOrEqual":"9.16.45","status":"affected","versionType":"custom"},{"version":"9.18.0","lessThanOrEqual":"9.18.21","status":"affected","versionType":"custom"},{"version":"9.19.0","lessThanOrEqual":"9.19.19","status":"affected","versionType":"custom"},{"version":"9.16.8-S1","lessThanOrEqual":"9.16.45-S1","status":"affected","versionType":"custom"},{"version":"9.18.11-S1","lessThanOrEqual":"9.18.21-S1","status":"affected","versionType":"custom"}],"defaultStatus":"unaffected"}],"metrics":[{"cvssV3_1":{"version":"3.1","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH","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"}}],"descriptions":[{"lang":"en","value":"A flaw in query-handling code can cause `named` to exit prematurely with an assertion failure when:\n\n  - `nxdomain-redirect <domain>;` is configured, and\n  - the resolver receives a PTR query for an RFC 1918 address that would normally result in an authoritative NXDOMAIN response.\nThis issue affects BIND 9 versions 9.12.0 through 9.16.45, 9.18.0 through 9.18.21, 9.19.0 through 9.19.19, 9.16.8-S1 through 9.16.45-S1, and 9.18.11-S1 through 9.18.21-S1."}],"impacts":[{"descriptions":[{"lang":"en","value":"If both of the above conditions are met, a single suitable query will cause `named` to crash."}]}],"workarounds":[{"lang":"en","value":"Disabling the `nxdomain-redirect` feature makes the faulty code path impossible to reach, preventing this flaw from being exploitable."}],"exploits":[{"lang":"en","value":"We are not aware of any active exploits."}],"solutions":[{"lang":"en","value":"Upgrade to the patched release most closely related to your current version of BIND 9: 9.16.48, 9.18.24, 9.19.21, 9.16.48-S1, or 9.18.24-S1."}],"references":[{"url":"https://kb.isc.org/docs/cve-2023-5517","name":"CVE-2023-5517","tags":["vendor-advisory"]},{"url":"http://www.openwall.com/lists/oss-security/2024/02/13/1"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PNNHZSZPG2E7NBMBNYPGHCFI4V4XRWNQ/"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RGS7JN6FZXUSTC2XKQHH27574XOULYYJ/"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HVRDSJVZKMCXKKPP6PNR62T7RWZ3YSDZ/"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZDZFMEKQTZ4L7RY46FCENWFB5MDT263R/"},{"url":"https://security.netapp.com/advisory/ntap-20240503-0006/"}],"source":{"discovery":"EXTERNAL"}},"adp":[{"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-02T07:59:44.936Z"},"title":"CVE Program Container","references":[{"url":"https://kb.isc.org/docs/cve-2023-5517","name":"CVE-2023-5517","tags":["vendor-advisory","x_transferred"]},{"url":"http://www.openwall.com/lists/oss-security/2024/02/13/1","tags":["x_transferred"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PNNHZSZPG2E7NBMBNYPGHCFI4V4XRWNQ/","tags":["x_transferred"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RGS7JN6FZXUSTC2XKQHH27574XOULYYJ/","tags":["x_transferred"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HVRDSJVZKMCXKKPP6PNR62T7RWZ3YSDZ/","tags":["x_transferred"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZDZFMEKQTZ4L7RY46FCENWFB5MDT263R/","tags":["x_transferred"]},{"url":"https://security.netapp.com/advisory/ntap-20240503-0006/","tags":["x_transferred"]}]},{"problemTypes":[{"descriptions":[{"type":"CWE","cweId":"CWE-617","lang":"en","description":"CWE-617 Reachable Assertion"}]}],"affected":[{"vendor":"isc","product":"bind_9","cpes":["cpe:2.3:a:isc:bind_9:*:*:*:*:*:*:*:*"],"defaultStatus":"unknown","versions":[{"version":"9.12.0","status":"affected","lessThanOrEqual":"9.16.45","versionType":"custom"},{"version":"9.18.0","status":"affected","lessThanOrEqual":"9.18.21","versionType":"custom"},{"version":"9.19.0","status":"affected","lessThanOrEqual":"9.19.19","versionType":"custom"},{"version":"9.16.8-S1","status":"affected","lessThanOrEqual":"9.16.45-S1","versionType":"custom"},{"version":"9.18.11-S1","status":"affected","lessThanOrEqual":"9.18.21-S1","versionType":"custom"}]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2024-08-22T13:32:01.260266Z","id":"CVE-2023-5517","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2024-08-22T13:56:51.119Z"}}]}}