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GSD-2023-2829

Vulnerability from gsd - Updated: 2023-12-13 01:20
Details
A `named` instance configured to run as a DNSSEC-validating recursive resolver with the Aggressive Use of DNSSEC-Validated Cache (RFC 8198) option (`synth-from-dnssec`) enabled can be remotely terminated using a zone with a malformed NSEC record. This issue affects BIND 9 versions 9.16.8-S1 through 9.16.41-S1 and 9.18.11-S1 through 9.18.15-S1.
Aliases
Aliases

{
  "GSD": {
    "alias": "CVE-2023-2829",
    "id": "GSD-2023-2829"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2023-2829"
      ],
      "details": "A `named` instance configured to run as a DNSSEC-validating recursive resolver with the Aggressive Use of DNSSEC-Validated Cache (RFC 8198) option (`synth-from-dnssec`) enabled can be remotely terminated using a zone with a malformed NSEC record.\nThis issue affects BIND 9 versions 9.16.8-S1 through 9.16.41-S1 and 9.18.11-S1 through 9.18.15-S1.",
      "id": "GSD-2023-2829",
      "modified": "2023-12-13T01:20:31.892919Z",
      "schema_version": "1.4.0"
    }
  },
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        "ID": "CVE-2023-2829",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "BIND 9",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "\u003c=",
                          "version_name": "9.16.8-S1",
                          "version_value": "9.16.41-S1"
                        },
                        {
                          "version_affected": "\u003c=",
                          "version_name": "9.18.11-S1",
                          "version_value": "9.18.15-S1"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "ISC"
            }
          ]
        }
      },
      "credits": [
        {
          "lang": "en",
          "value": "ISC would like to thank Greg Kuechle from SaskTel for bringing this vulnerability to our attention."
        }
      ],
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      "data_type": "CVE",
      "data_version": "4.0",
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          {
            "lang": "eng",
            "value": "A `named` instance configured to run as a DNSSEC-validating recursive resolver with the Aggressive Use of DNSSEC-Validated Cache (RFC 8198) option (`synth-from-dnssec`) enabled can be remotely terminated using a zone with a malformed NSEC record.\nThis issue affects BIND 9 versions 9.16.8-S1 through 9.16.41-S1 and 9.18.11-S1 through 9.18.15-S1."
          }
        ]
      },
      "exploit": [
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          "lang": "en",
          "value": "We are not aware of any active exploits."
        }
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          {
            "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",
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      },
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            "name": "https://kb.isc.org/docs/cve-2023-2829",
            "refsource": "MISC",
            "url": "https://kb.isc.org/docs/cve-2023-2829"
          },
          {
            "name": "https://security.netapp.com/advisory/ntap-20230703-0010/",
            "refsource": "MISC",
            "url": "https://security.netapp.com/advisory/ntap-20230703-0010/"
          }
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      },
      "solution": [
        {
          "lang": "en",
          "value": "Upgrade to the patched release most closely related to your current version of BIND 9: 9.16.42-S1 or 9.18.16-S1."
        }
      ],
      "source": {
        "discovery": "EXTERNAL"
      },
      "work_around": [
        {
          "lang": "en",
          "value": "Setting `synth-from-dnssec` to `no` prevents the problem."
        }
      ]
    },
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      },
      "lastModifiedDate": "2023-07-03T19:11Z",
      "publishedDate": "2023-06-21T17:15Z"
    }
  }
}



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