CVE-2022-2795
Vulnerability from cvelistv5
Published
2022-09-21 10:15
Modified
2024-09-17 03:03
Summary
Processing large delegations may severely degrade resolver performance
Impacted products
ISCBIND9
Show details on NVD website


{
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              "content": {
                "id": "CVE-2022-2795",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-04-12T17:20:53.564264Z",
                "version": "2.0.3"
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          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
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        "title": "CISA ADP Vulnrichment"
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            "url": "https://kb.isc.org/docs/cve-2022-2795"
          },
          {
            "name": "[oss-security] 20220921 ISC has disclosed six vulnerabilities in BIND (CVE-2022-2795, CVE-2022-2881, CVE-2022-2906, CVE-2022-3080, CVE-2022-38177, CVE-2022-38178)",
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        ],
        "title": "CVE Program Container"
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    ],
    "cna": {
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          "product": "BIND9",
          "vendor": "ISC",
          "versions": [
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              "version": "Open Source Branch 9.18 9.18.0 through versions before 9.18.7"
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              "version": "Supported Preview Branch 9.16-S 9.16.8-S1 through versions before 9.16.33-S1"
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              "version": "Development Branch 9.19 9.19.0 through versions before 9.19.5"
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      ],
      "credits": [
        {
          "lang": "en",
          "value": "ISC would like to thank Yehuda Afek from Tel-Aviv University and Anat Bremler-Barr \u0026 Shani Stajnrod from Reichman University for bringing this vulnerability to our attention."
        }
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      "datePublic": "2022-09-21T00:00:00",
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          "value": "By flooding the target resolver with queries exploiting this flaw an attacker can significantly impair the resolver\u0027s performance, effectively denying legitimate clients access to the DNS resolution service."
        }
      ],
      "exploits": [
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          "value": "We are not aware of any active exploits."
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            "userInteraction": "NONE",
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              "type": "text"
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      ],
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        "shortName": "isc"
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          ],
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        },
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          "tags": [
            "vendor-advisory"
          ],
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        },
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        {
          "lang": "en",
          "value": "Upgrade to the patched release most closely related to your current version of BIND: BIND 9.16.33, BIND 9.18.7, BIND 9.19.5, or for BIND Supported Preview Edition (a special feature preview branch of BIND provided to eligible ISC support customers): BIND 9.16.33-S1."
        }
      ],
      "source": {
        "discovery": "EXTERNAL"
      },
      "title": "Processing large delegations may severely degrade resolver performance",
      "workarounds": [
        {
          "lang": "en",
          "value": "No workarounds known."
        }
      ]
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  },
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    "assignerShortName": "isc",
    "cveId": "CVE-2022-2795",
    "datePublished": "2022-09-21T10:15:25.796304Z",
    "dateReserved": "2022-08-12T00:00:00",
    "dateUpdated": "2024-09-17T03:03:19.543Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
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Advisory\"]},{\"url\":\"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CV4GQWBPF7Y52J2FA24U6UMHQAOXZEF7/\",\"source\":\"security-officer@isc.org\"},{\"url\":\"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MRHB6J4Z7BKH4HPEKG5D35QGRD6ANNMT/\",\"source\":\"security-officer@isc.org\"},{\"url\":\"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YZJQNUASODNVAWZV6STKG5SD6XIJ446S/\",\"source\":\"security-officer@isc.org\"},{\"url\":\"https://security.gentoo.org/glsa/202210-25\",\"source\":\"security-officer@isc.org\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://www.debian.org/security/2022/dsa-5235\",\"source\":\"security-officer@isc.org\",\"tags\":[\"Third Party Advisory\"]}]}}"
  }
}


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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.