usn-6421-1
Vulnerability from osv_ubuntu
Published
2023-10-09 11:15
Modified
2026-06-29 10:53
Summary
bind9 vulnerability
Details

It was discovered that Bind incorrectly handled certain control channel messages. A remote attacker with access to the control channel could possibly use this issue to cause Bind to crash, resulting in a denial of service.

References
To clipboard 

{
  "affected": [
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2023-3341",
              "severity": [
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                  "type": "CVSS_V3"
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    },
    {
      "database_specific": {
        "cves_map": {
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            {
              "id": "CVE-2023-3341",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
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          ],
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        }
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          },
          {
            "binary_name": "bind9-host",
            "binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.19+esm7"
          },
          {
            "binary_name": "bind9utils",
            "binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.19+esm7"
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          {
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            "binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.19+esm7"
          },
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            "binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.19+esm7"
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      },
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    {
      "database_specific": {
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            {
              "id": "CVE-2023-3341",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:Pro:18.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
        "binaries": [
          {
            "binary_name": "bind9",
            "binary_version": "1:9.11.3+dfsg-1ubuntu1.19+esm2"
          },
          {
            "binary_name": "bind9-host",
            "binary_version": "1:9.11.3+dfsg-1ubuntu1.19+esm2"
          },
          {
            "binary_name": "bind9utils",
            "binary_version": "1:9.11.3+dfsg-1ubuntu1.19+esm2"
          },
          {
            "binary_name": "dnsutils",
            "binary_version": "1:9.11.3+dfsg-1ubuntu1.19+esm2"
          },
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            "binary_name": "libbind9-160",
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          {
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            "binary_version": "1:9.11.3+dfsg-1ubuntu1.19+esm2"
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        ]
      },
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        "name": "bind9",
        "purl": "pkg:deb/ubuntu/bind9@1:9.11.3+dfsg-1ubuntu1.19+esm2?arch=source\u0026distro=esm-infra/bionic"
      },
      "ranges": [
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            },
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            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
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        "1:9.11.2.P1-1ubuntu2",
        "1:9.11.2.P1-1ubuntu3",
        "1:9.11.2.P1-1ubuntu4",
        "1:9.11.2.P1-1ubuntu5",
        "1:9.11.3+dfsg-1ubuntu1",
        "1:9.11.3+dfsg-1ubuntu1.1",
        "1:9.11.3+dfsg-1ubuntu1.2",
        "1:9.11.3+dfsg-1ubuntu1.3",
        "1:9.11.3+dfsg-1ubuntu1.5",
        "1:9.11.3+dfsg-1ubuntu1.7",
        "1:9.11.3+dfsg-1ubuntu1.8",
        "1:9.11.3+dfsg-1ubuntu1.9",
        "1:9.11.3+dfsg-1ubuntu1.10",
        "1:9.11.3+dfsg-1ubuntu1.11",
        "1:9.11.3+dfsg-1ubuntu1.12",
        "1:9.11.3+dfsg-1ubuntu1.13",
        "1:9.11.3+dfsg-1ubuntu1.14",
        "1:9.11.3+dfsg-1ubuntu1.15",
        "1:9.11.3+dfsg-1ubuntu1.16",
        "1:9.11.3+dfsg-1ubuntu1.17",
        "1:9.11.3+dfsg-1ubuntu1.18",
        "1:9.11.3+dfsg-1ubuntu1.19+esm1"
      ]
    }
  ],
  "aliases": [],
  "details": "It was discovered that Bind incorrectly handled certain control channel\nmessages. A remote attacker with access to the control channel could\npossibly use this issue to cause Bind to crash, resulting in a denial of\nservice.\n",
  "id": "USN-6421-1",
  "modified": "2026-06-29T10:53:05Z",
  "published": "2023-10-09T11:15:15Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-6421-1"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2023-3341"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "summary": "bind9 vulnerability",
  "upstream": [
    "UBUNTU-CVE-2023-3341"
  ]
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.