CVE-2022-33991

{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "descriptions": [{"lang": "en", "value": "dproxy-nexgen (aka dproxy nexgen) forwards and caches DNS queries with the CD (aka checking disabled) bit set to 1. This leads to disabling of DNSSEC protection provided by upstream resolvers."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2022-08-15T12:10:15.000Z", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://sourceforge.net/projects/dproxy/"}, {"tags": ["x_refsource_MISC"], "url": "https://www.usenix.org/conference/usenixsecurity22/presentation/jeitner"}, {"tags": ["x_refsource_MISC"], "url": "https://www.openwall.com/lists/oss-security/2022/08/14/3"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2022-33991", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "n/a", "version": {"version_data": [{"version_value": "n/a"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "dproxy-nexgen (aka dproxy nexgen) forwards and caches DNS queries with the CD (aka checking disabled) bit set to 1. This leads to disabling of DNSSEC protection provided by upstream resolvers."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "https://sourceforge.net/projects/dproxy/", "refsource": "MISC", "url": "https://sourceforge.net/projects/dproxy/"}, {"name": "https://www.usenix.org/conference/usenixsecurity22/presentation/jeitner", "refsource": "MISC", "url": "https://www.usenix.org/conference/usenixsecurity22/presentation/jeitner"}, {"name": "https://www.openwall.com/lists/oss-security/2022/08/14/3", "refsource": "MISC", "url": "https://www.openwall.com/lists/oss-security/2022/08/14/3"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T08:16:16.334Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://sourceforge.net/projects/dproxy/"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.usenix.org/conference/usenixsecurity22/presentation/jeitner"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.openwall.com/lists/oss-security/2022/08/14/3"}]}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2022-33991", "datePublished": "2022-08-15T12:10:15.000Z", "dateReserved": "2022-06-18T00:00:00.000Z", "dateUpdated": "2024-08-03T08:16:16.334Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:dproxy-nexgen_project:dproxy-nexgen:-:*:*:*:*:*:*:*", "matchCriteriaId": "579888EE-A999-4603-97EF-740C042004B5", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "dproxy-nexgen (aka dproxy nexgen) forwards and caches DNS queries with the CD (aka checking disabled) bit set to 1. This leads to disabling of DNSSEC protection provided by upstream resolvers."}, {"lang": "es", "value": "dproxy-nexgen (tambi\u00e9n se conoce como dproxy nexgen) reenv\u00eda y almacena en cach\u00e9 las consultas DNS con el bit CD (tambi\u00e9n se conoce como comprobaci\u00f3n deshabilitada) establecido en 1. Esto conlleva a una deshabilitaci\u00f3n de la protecci\u00f3n DNSSEC proporcionada por los resolutores ascendentes."}], "id": "CVE-2022-33991", "lastModified": "2026-06-17T04:49:37.840", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 1.4, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2022-08-15T13:15:19.047", "references": [{"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://sourceforge.net/projects/dproxy/"}, {"source": "cve@mitre.org", "tags": ["Exploit", "Mailing List", "Third Party Advisory"], "url": "https://www.openwall.com/lists/oss-security/2022/08/14/3"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://www.usenix.org/conference/usenixsecurity22/presentation/jeitner"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://sourceforge.net/projects/dproxy/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Mailing List", "Third Party Advisory"], "url": "https://www.openwall.com/lists/oss-security/2022/08/14/3"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://www.usenix.org/conference/usenixsecurity22/presentation/jeitner"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-290"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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