{ "containers": { "cna": { "affected": [ { "product": "BIND", "vendor": "ISC", "versions": [ { "status": "affected", "version": "Open Source Branch 9.18 9.18.0" } ] } ], "credits": [ { "lang": "en", "value": "ISC would like to thank Vincent Levigneron of AFNIC for reporting this issue to us and for verifying the fix and workaround." } ], "datePublic": "2022-03-16T00:00:00", "descriptions": [ { "lang": "en", "value": "Versions affected: BIND 9.18.0 When a vulnerable version of named receives a series of specific queries, the named process will eventually terminate due to a failed assertion check." } ], "metrics": [ { "cvssV3_1": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1" } } ], "problemTypes": [ { "descriptions": [ { "description": "We refactored the RFC 8198 Aggressive Use of DNSSEC-Validated Cache feature (synth-from-dnssec) for the new BIND 9.18.0 stable release, and changed the default so that is now automatically enabled for dnssec-validating resolvers. Subsequently it was found that repeated patterns of specific queries to servers with this feature enabled could cause an INSIST failure in query.c:query_dname which causes named to terminate unexpectedly. The vulnerability affects BIND resolvers running 9.18.0 that have both dnssec-validation and synth-from-dnssec enabled. (Note that dnssec-validation auto; is the default setting unless configured otherwise in named.conf and that enabling dnssec-validation automatically enables synth-from-dnssec unless explicitly disabled) Versions affected: BIND 9.18.0", "lang": "en", "type": "text" } ] } ], "providerMetadata": { "dateUpdated": "2022-04-08T22:06:11", "orgId": "404fd4d2-a609-4245-b543-2c944a302a22", "shortName": "isc" }, "references": [ { "tags": [ "x_refsource_CONFIRM" ], "url": "https://kb.isc.org/v1/docs/cve-2022-0635" }, { "tags": [ "x_refsource_CONFIRM" ], "url": "https://security.netapp.com/advisory/ntap-20220408-0001/" } ], "solutions": [ { "lang": "en", "value": "Users of BIND 9.18.0 should upgrade to BIND 9.18.1" } ], "source": { "discovery": "EXTERNAL" }, "workarounds": [ { "lang": "en", "value": "The failure can be avoided by adding this option to named.conf:\nsynth-from-dnssec no;" } ], "x_generator": { "engine": "Vulnogram 0.0.9" }, "x_legacyV4Record": { "CVE_data_meta": { "ASSIGNER": "security-officer@isc.org", "DATE_PUBLIC": "2022-03-16T11:00:00.000Z", "ID": "CVE-2022-0635", "STATE": "PUBLIC" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "BIND", "version": { "version_data": [ { "version_name": "Open Source Branch 9.18", "version_value": "9.18.0" } ] } } ] }, "vendor_name": "ISC" } ] } }, "credit": [ { "lang": "eng", "value": "ISC would like to thank Vincent Levigneron of AFNIC for reporting this issue to us and for verifying the fix and workaround." } ], "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "value": "Versions affected: BIND 9.18.0 When a vulnerable version of named receives a series of specific queries, the named process will eventually terminate due to a failed assertion check." } ] }, "generator": { "engine": "Vulnogram 0.0.9" }, "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:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1" } }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "We refactored the RFC 8198 Aggressive Use of DNSSEC-Validated Cache feature (synth-from-dnssec) for the new BIND 9.18.0 stable release, and changed the default so that is now automatically enabled for dnssec-validating resolvers. Subsequently it was found that repeated patterns of specific queries to servers with this feature enabled could cause an INSIST failure in query.c:query_dname which causes named to terminate unexpectedly. The vulnerability affects BIND resolvers running 9.18.0 that have both dnssec-validation and synth-from-dnssec enabled. (Note that dnssec-validation auto; is the default setting unless configured otherwise in named.conf and that enabling dnssec-validation automatically enables synth-from-dnssec unless explicitly disabled) Versions affected: BIND 9.18.0" } ] } ] }, "references": { "reference_data": [ { "name": "https://kb.isc.org/v1/docs/cve-2022-0635", "refsource": "CONFIRM", "url": "https://kb.isc.org/v1/docs/cve-2022-0635" }, { "name": "https://security.netapp.com/advisory/ntap-20220408-0001/", "refsource": "CONFIRM", "url": "https://security.netapp.com/advisory/ntap-20220408-0001/" } ] }, "solution": [ { "lang": "en", "value": "Users of BIND 9.18.0 should upgrade to BIND 9.18.1" } ], "source": { "discovery": "EXTERNAL" }, "work_around": [ { "lang": "en", "value": "The failure can be avoided by adding this option to named.conf:\nsynth-from-dnssec no;" } ] } }, "adp": [ { "providerMetadata": { "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T23:32:46.460Z" }, "title": "CVE Program Container", "references": [ { "tags": [ "x_refsource_CONFIRM", "x_transferred" ], "url": "https://kb.isc.org/v1/docs/cve-2022-0635" }, { "tags": [ "x_refsource_CONFIRM", "x_transferred" ], "url": "https://security.netapp.com/advisory/ntap-20220408-0001/" } ] } ] }, "cveMetadata": { "assignerOrgId": "404fd4d2-a609-4245-b543-2c944a302a22", "assignerShortName": "isc", "cveId": "CVE-2022-0635", "datePublished": "2022-03-23T11:55:10.058754Z", "dateReserved": "2022-02-16T00:00:00", "dateUpdated": "2024-09-17T02:21:44.299Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1" }