usn-5332-1
Vulnerability from osv_ubuntu
Published
2022-03-17 11:19
Modified
2026-04-22 07:37
Summary
bind9 vulnerabilities
Details

Xiang Li, Baojun Liu, Chaoyi Lu, and Changgen Zou discovered that Bind incorrectly handled certain bogus NS records when using forwarders. A remote attacker could possibly use this issue to manipulate cache results. (CVE-2021-25220)

It was discovered that Bind incorrectly handled certain crafted TCP streams. A remote attacker could possibly use this issue to cause Bind to consume resources, leading to a denial of service. This issue only affected Ubuntu 21.10. (CVE-2022-0396)

References
To clipboard 

{
  "affected": [
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2021-25220",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:H/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:H/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:18.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "bind9",
            "binary_version": "1:9.11.3+dfsg-1ubuntu1.17"
          },
          {
            "binary_name": "bind9-host",
            "binary_version": "1:9.11.3+dfsg-1ubuntu1.17"
          },
          {
            "binary_name": "bind9utils",
            "binary_version": "1:9.11.3+dfsg-1ubuntu1.17"
          },
          {
            "binary_name": "dnsutils",
            "binary_version": "1:9.11.3+dfsg-1ubuntu1.17"
          },
          {
            "binary_name": "libbind9-160",
            "binary_version": "1:9.11.3+dfsg-1ubuntu1.17"
          },
          {
            "binary_name": "libdns-export1100",
            "binary_version": "1:9.11.3+dfsg-1ubuntu1.17"
          },
          {
            "binary_name": "libdns1100",
            "binary_version": "1:9.11.3+dfsg-1ubuntu1.17"
          },
          {
            "binary_name": "libirs-export160",
            "binary_version": "1:9.11.3+dfsg-1ubuntu1.17"
          },
          {
            "binary_name": "libirs160",
            "binary_version": "1:9.11.3+dfsg-1ubuntu1.17"
          },
          {
            "binary_name": "libisc-export169",
            "binary_version": "1:9.11.3+dfsg-1ubuntu1.17"
          },
          {
            "binary_name": "libisc169",
            "binary_version": "1:9.11.3+dfsg-1ubuntu1.17"
          },
          {
            "binary_name": "libisccc-export160",
            "binary_version": "1:9.11.3+dfsg-1ubuntu1.17"
          },
          {
            "binary_name": "libisccc160",
            "binary_version": "1:9.11.3+dfsg-1ubuntu1.17"
          },
          {
            "binary_name": "libisccfg-export160",
            "binary_version": "1:9.11.3+dfsg-1ubuntu1.17"
          },
          {
            "binary_name": "libisccfg160",
            "binary_version": "1:9.11.3+dfsg-1ubuntu1.17"
          },
          {
            "binary_name": "liblwres160",
            "binary_version": "1:9.11.3+dfsg-1ubuntu1.17"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "name": "bind9",
        "purl": "pkg:deb/ubuntu/bind9@1:9.11.3+dfsg-1ubuntu1.17?arch=source\u0026distro=bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1:9.11.3+dfsg-1ubuntu1.17"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1:9.10.3.dfsg.P4-12.6ubuntu1",
        "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"
      ]
    },
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2021-25220",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:H/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:H/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:20.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "bind9",
            "binary_version": "1:9.16.1-0ubuntu2.10"
          },
          {
            "binary_name": "bind9-dnsutils",
            "binary_version": "1:9.16.1-0ubuntu2.10"
          },
          {
            "binary_name": "bind9-host",
            "binary_version": "1:9.16.1-0ubuntu2.10"
          },
          {
            "binary_name": "bind9-libs",
            "binary_version": "1:9.16.1-0ubuntu2.10"
          },
          {
            "binary_name": "bind9-utils",
            "binary_version": "1:9.16.1-0ubuntu2.10"
          },
          {
            "binary_name": "bind9utils",
            "binary_version": "1:9.16.1-0ubuntu2.10"
          },
          {
            "binary_name": "dnsutils",
            "binary_version": "1:9.16.1-0ubuntu2.10"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "bind9",
        "purl": "pkg:deb/ubuntu/bind9@1:9.16.1-0ubuntu2.10?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1:9.16.1-0ubuntu2.10"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1:9.11.5.P4+dfsg-5.1ubuntu2",
        "1:9.11.5.P4+dfsg-5.1ubuntu3",
        "1:9.11.5.P4+dfsg-5.1ubuntu4",
        "1:9.11.5.P4+dfsg-5.1ubuntu5",
        "1:9.11.14+dfsg-1ubuntu1",
        "1:9.11.14+dfsg-3ubuntu1",
        "1:9.16.0-1ubuntu3",
        "1:9.16.0-1ubuntu4",
        "1:9.16.0-1ubuntu5",
        "1:9.16.1-0ubuntu1",
        "1:9.16.1-0ubuntu2",
        "1:9.16.1-0ubuntu2.1",
        "1:9.16.1-0ubuntu2.2",
        "1:9.16.1-0ubuntu2.3",
        "1:9.16.1-0ubuntu2.4",
        "1:9.16.1-0ubuntu2.6",
        "1:9.16.1-0ubuntu2.7",
        "1:9.16.1-0ubuntu2.8",
        "1:9.16.1-0ubuntu2.9"
      ]
    }
  ],
  "aliases": [],
  "details": "Xiang Li, Baojun Liu, Chaoyi Lu, and Changgen Zou discovered that Bind\nincorrectly handled certain bogus NS records when using forwarders. A\nremote attacker could possibly use this issue to manipulate cache results.\n(CVE-2021-25220)\n\nIt was discovered that Bind incorrectly handled certain crafted TCP\nstreams. A remote attacker could possibly use this issue to cause Bind to\nconsume resources, leading to a denial of service. This issue only affected\nUbuntu 21.10. (CVE-2022-0396)\n",
  "id": "USN-5332-1",
  "modified": "2026-04-22T07:37:01Z",
  "published": "2022-03-17T11:19:29Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-5332-1"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2021-25220"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2022-0396"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "summary": "bind9 vulnerabilities",
  "upstream": [
    "UBUNTU-CVE-2021-25220",
    "UBUNTU-CVE-2022-0396"
  ]
}



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