usn-5626-2
Vulnerability from osv_ubuntu
Published
2022-09-21 15:39
Modified
2026-06-29 10:52
Summary
bind9 vulnerabilities
Details

USN-5626-1 fixed several vulnerabilities in Bind. This update provides the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM.

Original advisory details:

Yehuda Afek, Anat Bremler-Barr, and Shani Stajnrod discovered that Bind incorrectly handled large delegations. A remote attacker could possibly use this issue to reduce performance, leading to a denial of service. (CVE-2022-2795)

It was discovered that Bind incorrectly handled memory when processing ECDSA DNSSEC verification. A remote attacker could use this issue to consume resources, leading to a denial of service. (CVE-2022-38177)

References
To clipboard 

{
  "affected": [
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2022-2795",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2022-38177",
              "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": "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:14.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
        "binaries": [
          {
            "binary_name": "bind9",
            "binary_version": "1:9.9.5.dfsg-3ubuntu0.19+esm7"
          },
          {
            "binary_name": "bind9-host",
            "binary_version": "1:9.9.5.dfsg-3ubuntu0.19+esm7"
          },
          {
            "binary_name": "bind9utils",
            "binary_version": "1:9.9.5.dfsg-3ubuntu0.19+esm7"
          },
          {
            "binary_name": "dnsutils",
            "binary_version": "1:9.9.5.dfsg-3ubuntu0.19+esm7"
          },
          {
            "binary_name": "host",
            "binary_version": "1:9.9.5.dfsg-3ubuntu0.19+esm7"
          },
          {
            "binary_name": "libbind9-90",
            "binary_version": "1:9.9.5.dfsg-3ubuntu0.19+esm7"
          },
          {
            "binary_name": "libdns100",
            "binary_version": "1:9.9.5.dfsg-3ubuntu0.19+esm7"
          },
          {
            "binary_name": "libisc95",
            "binary_version": "1:9.9.5.dfsg-3ubuntu0.19+esm7"
          },
          {
            "binary_name": "libisccc90",
            "binary_version": "1:9.9.5.dfsg-3ubuntu0.19+esm7"
          },
          {
            "binary_name": "libisccfg90",
            "binary_version": "1:9.9.5.dfsg-3ubuntu0.19+esm7"
          },
          {
            "binary_name": "liblwres90",
            "binary_version": "1:9.9.5.dfsg-3ubuntu0.19+esm7"
          },
          {
            "binary_name": "lwresd",
            "binary_version": "1:9.9.5.dfsg-3ubuntu0.19+esm7"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:14.04:LTS",
        "name": "bind9",
        "purl": "pkg:deb/ubuntu/bind9@1:9.9.5.dfsg-3ubuntu0.19+esm7?arch=source\u0026distro=trusty/esm"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1:9.9.5.dfsg-3ubuntu0.19+esm7"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1:9.9.3.dfsg.P2-4ubuntu1",
        "1:9.9.3.dfsg.P2-4ubuntu2",
        "1:9.9.3.dfsg.P2-4ubuntu3",
        "1:9.9.5.dfsg-2",
        "1:9.9.5.dfsg-3",
        "1:9.9.5.dfsg-3ubuntu0.1",
        "1:9.9.5.dfsg-3ubuntu0.2",
        "1:9.9.5.dfsg-3ubuntu0.3",
        "1:9.9.5.dfsg-3ubuntu0.4",
        "1:9.9.5.dfsg-3ubuntu0.5",
        "1:9.9.5.dfsg-3ubuntu0.6",
        "1:9.9.5.dfsg-3ubuntu0.7",
        "1:9.9.5.dfsg-3ubuntu0.8",
        "1:9.9.5.dfsg-3ubuntu0.9",
        "1:9.9.5.dfsg-3ubuntu0.10",
        "1:9.9.5.dfsg-3ubuntu0.11",
        "1:9.9.5.dfsg-3ubuntu0.12",
        "1:9.9.5.dfsg-3ubuntu0.13",
        "1:9.9.5.dfsg-3ubuntu0.14",
        "1:9.9.5.dfsg-3ubuntu0.15",
        "1:9.9.5.dfsg-3ubuntu0.16",
        "1:9.9.5.dfsg-3ubuntu0.17",
        "1:9.9.5.dfsg-3ubuntu0.18",
        "1:9.9.5.dfsg-3ubuntu0.19",
        "1:9.9.5.dfsg-3ubuntu0.19+esm1",
        "1:9.9.5.dfsg-3ubuntu0.19+esm2",
        "1:9.9.5.dfsg-3ubuntu0.19+esm3",
        "1:9.9.5.dfsg-3ubuntu0.19+esm4",
        "1:9.9.5.dfsg-3ubuntu0.19+esm5",
        "1:9.9.5.dfsg-3ubuntu0.19+esm6"
      ]
    },
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2022-2795",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2022-38177",
              "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": "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:16.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
        "binaries": [
          {
            "binary_name": "bind9",
            "binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.19+esm3"
          },
          {
            "binary_name": "bind9-host",
            "binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.19+esm3"
          },
          {
            "binary_name": "bind9utils",
            "binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.19+esm3"
          },
          {
            "binary_name": "dnsutils",
            "binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.19+esm3"
          },
          {
            "binary_name": "host",
            "binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.19+esm3"
          },
          {
            "binary_name": "libbind9-140",
            "binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.19+esm3"
          },
          {
            "binary_name": "libdns-export162",
            "binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.19+esm3"
          },
          {
            "binary_name": "libdns162",
            "binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.19+esm3"
          },
          {
            "binary_name": "libirs-export141",
            "binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.19+esm3"
          },
          {
            "binary_name": "libirs141",
            "binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.19+esm3"
          },
          {
            "binary_name": "libisc-export160",
            "binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.19+esm3"
          },
          {
            "binary_name": "libisc160",
            "binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.19+esm3"
          },
          {
            "binary_name": "libisccc-export140",
            "binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.19+esm3"
          },
          {
            "binary_name": "libisccc140",
            "binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.19+esm3"
          },
          {
            "binary_name": "libisccfg-export140",
            "binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.19+esm3"
          },
          {
            "binary_name": "libisccfg140",
            "binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.19+esm3"
          },
          {
            "binary_name": "liblwres141",
            "binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.19+esm3"
          },
          {
            "binary_name": "lwresd",
            "binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.19+esm3"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:16.04:LTS",
        "name": "bind9",
        "purl": "pkg:deb/ubuntu/bind9@1:9.10.3.dfsg.P4-8ubuntu1.19+esm3?arch=source\u0026distro=esm-infra/xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1:9.10.3.dfsg.P4-8ubuntu1.19+esm3"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1:9.9.5.dfsg-11ubuntu1",
        "1:9.9.5.dfsg-12",
        "1:9.9.5.dfsg-12.1",
        "1:9.9.5.dfsg-12.1ubuntu1",
        "1:9.10.3.dfsg.P2-4",
        "1:9.10.3.dfsg.P2-5",
        "1:9.10.3.dfsg.P4-3",
        "1:9.10.3.dfsg.P4-4",
        "1:9.10.3.dfsg.P4-5",
        "1:9.10.3.dfsg.P4-8",
        "1:9.10.3.dfsg.P4-8ubuntu1",
        "1:9.10.3.dfsg.P4-8ubuntu1.1",
        "1:9.10.3.dfsg.P4-8ubuntu1.2",
        "1:9.10.3.dfsg.P4-8ubuntu1.3",
        "1:9.10.3.dfsg.P4-8ubuntu1.4",
        "1:9.10.3.dfsg.P4-8ubuntu1.5",
        "1:9.10.3.dfsg.P4-8ubuntu1.6",
        "1:9.10.3.dfsg.P4-8ubuntu1.7",
        "1:9.10.3.dfsg.P4-8ubuntu1.8",
        "1:9.10.3.dfsg.P4-8ubuntu1.9",
        "1:9.10.3.dfsg.P4-8ubuntu1.10",
        "1:9.10.3.dfsg.P4-8ubuntu1.11",
        "1:9.10.3.dfsg.P4-8ubuntu1.12",
        "1:9.10.3.dfsg.P4-8ubuntu1.14",
        "1:9.10.3.dfsg.P4-8ubuntu1.15",
        "1:9.10.3.dfsg.P4-8ubuntu1.16",
        "1:9.10.3.dfsg.P4-8ubuntu1.17",
        "1:9.10.3.dfsg.P4-8ubuntu1.18",
        "1:9.10.3.dfsg.P4-8ubuntu1.19",
        "1:9.10.3.dfsg.P4-8ubuntu1.19+esm1",
        "1:9.10.3.dfsg.P4-8ubuntu1.19+esm2"
      ]
    }
  ],
  "aliases": [],
  "details": "USN-5626-1 fixed several vulnerabilities in Bind. This update provides\nthe corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM.\n\nOriginal advisory details:\n\n Yehuda Afek, Anat Bremler-Barr, and Shani Stajnrod discovered that Bind\n incorrectly handled large delegations. A remote attacker could possibly use\n this issue to reduce performance, leading to a denial of service.\n (CVE-2022-2795)\n\n It was discovered that Bind incorrectly handled memory when processing\n ECDSA DNSSEC verification. A remote attacker could use this issue to\n consume resources, leading to a denial of service. (CVE-2022-38177)\n",
  "id": "USN-5626-2",
  "modified": "2026-06-29T10:52:57Z",
  "published": "2022-09-21T15:39:00Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-5626-2"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2022-2795"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2022-38177"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "summary": "bind9 vulnerabilities",
  "upstream": [
    "UBUNTU-CVE-2022-2795",
    "UBUNTU-CVE-2022-38177"
  ]
}



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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.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


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