GSD-2022-33991

Vulnerability from gsd - Updated: 2023-12-13 01:19
Details
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.
Aliases
Aliases
CVE-2022-33991
To clipboard 

{
  "GSD": {
    "alias": "CVE-2022-33991",
    "description": "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.",
    "id": "GSD-2022-33991"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2022-33991"
      ],
      "details": "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.",
      "id": "GSD-2022-33991",
      "modified": "2023-12-13T01:19:23.197044Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
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        "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"
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          }
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      "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"
          },
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            "refsource": "MISC",
            "url": "https://www.openwall.com/lists/oss-security/2022/08/14/3"
          }
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        "nodes": [
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                "cpe23Uri": "cpe:2.3:a:dproxy-nexgen_project:dproxy-nexgen:-:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
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        "description": {
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              "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": [
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              "description": [
                {
                  "lang": "en",
                  "value": "CWE-290"
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              "name": "https://www.usenix.org/conference/usenixsecurity22/presentation/jeitner",
              "refsource": "MISC",
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            },
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      },
      "impact": {
        "baseMetricV3": {
          "cvssV3": {
            "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
        }
      },
      "lastModifiedDate": "2022-08-18T16:46Z",
      "publishedDate": "2022-08-15T13:15Z"
    }
  }
}


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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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