cve-2023-2911
Vulnerability from cvelistv5
Published
2023-06-21 16:26
Modified
2024-12-06 18:32
Severity ?
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
Exceeding the recursive-clients quota may cause named to terminate unexpectedly when stale-answer-client-timeout is set to 0
References
security-officer@isc.orghttp://www.openwall.com/lists/oss-security/2023/06/21/6Mailing List, Patch, Third Party Advisory
security-officer@isc.orghttps://kb.isc.org/docs/cve-2023-2911Vendor Advisory
security-officer@isc.orghttps://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SEFCEVCTYEMKTWA7V7EYPI5YQQ4JWDLI/Mailing List, Third Party Advisory
security-officer@isc.orghttps://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/U3K6AJK7RRSR53HRF5GGKPA6PDUDWOD2/Mailing List, Third Party Advisory
security-officer@isc.orghttps://security.netapp.com/advisory/ntap-20230703-0010/Third Party Advisory
security-officer@isc.orghttps://www.debian.org/security/2023/dsa-5439Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2023/06/21/6Mailing List, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://kb.isc.org/docs/cve-2023-2911Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SEFCEVCTYEMKTWA7V7EYPI5YQQ4JWDLI/Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/U3K6AJK7RRSR53HRF5GGKPA6PDUDWOD2/Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://security.netapp.com/advisory/ntap-20230703-0010/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.debian.org/security/2023/dsa-5439Third Party Advisory
Impacted products
Vendor Product Version
Show details on NVD website

To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-02T06:41:03.760Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "name": "CVE-2023-2911",
            "tags": [
              "vendor-advisory",
              "x_transferred"
            ],
            "url": "https://kb.isc.org/docs/cve-2023-2911"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "http://www.openwall.com/lists/oss-security/2023/06/21/6"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/U3K6AJK7RRSR53HRF5GGKPA6PDUDWOD2/"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://www.debian.org/security/2023/dsa-5439"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SEFCEVCTYEMKTWA7V7EYPI5YQQ4JWDLI/"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://security.netapp.com/advisory/ntap-20230703-0010/"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2023-2911",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-12-06T18:32:18.833805Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-12-06T18:32:26.092Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "BIND 9",
          "vendor": "ISC",
          "versions": [
            {
              "lessThanOrEqual": "9.16.41",
              "status": "affected",
              "version": "9.16.33",
              "versionType": "custom"
            },
            {
              "lessThanOrEqual": "9.18.15",
              "status": "affected",
              "version": "9.18.7",
              "versionType": "custom"
            },
            {
              "lessThanOrEqual": "9.16.41-S1",
              "status": "affected",
              "version": "9.16.33-S1",
              "versionType": "custom"
            },
            {
              "lessThanOrEqual": "9.18.15-S1",
              "status": "affected",
              "version": "9.18.11-S1",
              "versionType": "custom"
            }
          ]
        }
      ],
      "datePublic": "2023-06-21T00:00:00Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "If the `recursive-clients` quota is reached on a BIND 9 resolver configured with both `stale-answer-enable yes;` and `stale-answer-client-timeout 0;`, a sequence of serve-stale-related lookups could cause `named` to loop and terminate unexpectedly due to a stack overflow.\nThis issue affects BIND 9 versions 9.16.33 through 9.16.41, 9.18.7 through 9.18.15, 9.16.33-S1 through 9.16.41-S1, and 9.18.11-S1 through 9.18.15-S1."
        }
      ],
      "exploits": [
        {
          "lang": "en",
          "value": "This flaw was discovered in internal testing. We are not aware of any active exploits."
        }
      ],
      "impacts": [
        {
          "descriptions": [
            {
              "lang": "en",
              "value": "By sending specific queries to the resolver, an attacker can cause `named` to terminate unexpectedly."
            }
          ]
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "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",
            "version": "3.1"
          }
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2023-06-21T16:26:36.587Z",
        "orgId": "404fd4d2-a609-4245-b543-2c944a302a22",
        "shortName": "isc"
      },
      "references": [
        {
          "name": "CVE-2023-2911",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://kb.isc.org/docs/cve-2023-2911"
        },
        {
          "url": "http://www.openwall.com/lists/oss-security/2023/06/21/6"
        },
        {
          "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/U3K6AJK7RRSR53HRF5GGKPA6PDUDWOD2/"
        },
        {
          "url": "https://www.debian.org/security/2023/dsa-5439"
        },
        {
          "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SEFCEVCTYEMKTWA7V7EYPI5YQQ4JWDLI/"
        },
        {
          "url": "https://security.netapp.com/advisory/ntap-20230703-0010/"
        }
      ],
      "solutions": [
        {
          "lang": "en",
          "value": "Upgrade to the patched release most closely related to your current version of BIND 9: 9.16.42, 9.18.16, 9.16.42-S1, or 9.18.16-S1."
        }
      ],
      "source": {
        "discovery": "INTERNAL"
      },
      "title": "Exceeding the recursive-clients quota may cause named to terminate unexpectedly when stale-answer-client-timeout is set to 0",
      "workarounds": [
        {
          "lang": "en",
          "value": "Setting `stale-answer-client-timeout` to `off` or to a non-zero value prevents the issue.\n\nUsers of versions 9.18.10, 9.16.36, 9.16.36-S1 or older who are unable to upgrade should set `stale-answer-client-timeout` to `off`; using a non-zero value with these older versions leaves `named` vulnerable to CVE-2022-3924.\n\nAlthough it is possible to set the `recursive-clients` limit to a high number to reduce the likelihood of this scenario, this is not recommended; the limit on `recursive-clients` is important for preventing exhaustion of server resources. The limit cannot be disabled entirely."
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "404fd4d2-a609-4245-b543-2c944a302a22",
    "assignerShortName": "isc",
    "cveId": "CVE-2023-2911",
    "datePublished": "2023-06-21T16:26:36.587Z",
    "dateReserved": "2023-05-26T11:20:45.872Z",
    "dateUpdated": "2024-12-06T18:32:26.092Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2023-2911\",\"sourceIdentifier\":\"security-officer@isc.org\",\"published\":\"2023-06-21T17:15:47.827\",\"lastModified\":\"2024-11-21T07:59:33.147\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"If the `recursive-clients` quota is reached on a BIND 9 resolver configured with both `stale-answer-enable yes;` and `stale-answer-client-timeout 0;`, a sequence of serve-stale-related lookups could cause `named` to loop and terminate unexpectedly due to a stack overflow.\\nThis issue affects BIND 9 versions 9.16.33 through 9.16.41, 9.18.7 through 9.18.15, 9.16.33-S1 through 9.16.41-S1, and 9.18.11-S1 through 9.18.15-S1.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"security-officer@isc.org\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":7.5,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":3.9,\"impactScore\":3.6}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-787\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:isc:bind:*:*:*:*:-:*:*:*\",\"versionStartIncluding\":\"9.16.33\",\"versionEndIncluding\":\"9.16.41\",\"matchCriteriaId\":\"2E225B5E-5D4E-4D7D-8E8E-BDAF69386072\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:isc:bind:*:*:*:*:supported_preview:*:*:*\",\"versionStartIncluding\":\"9.16.33\",\"versionEndIncluding\":\"9.16.41\",\"matchCriteriaId\":\"B44AC868-4E58-4D76-BE4A-AB47E3FFA134\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:isc:bind:*:*:*:*:-:*:*:*\",\"versionStartIncluding\":\"9.18.7\",\"versionEndIncluding\":\"9.18.15\",\"matchCriteriaId\":\"DFFF05A7-1826-4485-BEE4-DB3A5B25B49A\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:isc:bind:*:*:*:*:supported_preview:*:*:*\",\"versionStartIncluding\":\"9.18.11\",\"versionEndIncluding\":\"9.18.15\",\"matchCriteriaId\":\"41E493D6-D811-47ED-9227-CC2AA1837FE4\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"FA6FEEC2-9F11-4643-8827-749718254FED\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:debian:debian_linux:12.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"46D69DCC-AE4D-4EA5-861C-D60951444C6C\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"E30D0E6F-4AE8-4284-8716-991DFA48CC5D\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"CC559B26-5DFC-4B7A-A27C-B77DE755DFF9\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"FA6FEEC2-9F11-4643-8827-749718254FED\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:debian:debian_linux:12.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"46D69DCC-AE4D-4EA5-861C-D60951444C6C\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:netapp:active_iq_unified_manager:-:*:*:*:*:vmware_vsphere:*:*\",\"matchCriteriaId\":\"3A756737-1CC4-42C2-A4DF-E1C893B4E2D5\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:netapp:h700s_firmware:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"56409CEC-5A1E-4450-AA42-641E459CC2AF\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:netapp:h700s:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"B06F4839-D16A-4A61-9BB5-55B13F41E47F\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:netapp:h300s_firmware:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"6770B6C3-732E-4E22-BF1C-2D2FD610061C\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:netapp:h300s:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"9F9C8C20-42EB-4AB5-BD97-212DEB070C43\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:netapp:h410c_firmware:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"234DEFE0-5CE5-4B0A-96B8-5D227CB8ED31\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:netapp:h410c:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"CDDF61B7-EC5C-467C-B710-B89F502CD04F\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:netapp:h410s_firmware:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"D0B4AD8A-F172-4558-AEC6-FF424BA2D912\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:netapp:h410s:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"8497A4C9-8474-4A62-8331-3FE862ED4098\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:netapp:h500s_firmware:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"7FFF7106-ED78-49BA-9EC5-B889E3685D53\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:netapp:h500s:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"E63D8B0F-006E-4801-BF9D-1C001BBFB4F9\"}]}]}],\"references\":[{\"url\":\"http://www.openwall.com/lists/oss-security/2023/06/21/6\",\"source\":\"security-officer@isc.org\",\"tags\":[\"Mailing List\",\"Patch\",\"Third Party Advisory\"]},{\"url\":\"https://kb.isc.org/docs/cve-2023-2911\",\"source\":\"security-officer@isc.org\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SEFCEVCTYEMKTWA7V7EYPI5YQQ4JWDLI/\",\"source\":\"security-officer@isc.org\",\"tags\":[\"Mailing List\",\"Third Party Advisory\"]},{\"url\":\"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/U3K6AJK7RRSR53HRF5GGKPA6PDUDWOD2/\",\"source\":\"security-officer@isc.org\",\"tags\":[\"Mailing List\",\"Third Party Advisory\"]},{\"url\":\"https://security.netapp.com/advisory/ntap-20230703-0010/\",\"source\":\"security-officer@isc.org\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://www.debian.org/security/2023/dsa-5439\",\"source\":\"security-officer@isc.org\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"http://www.openwall.com/lists/oss-security/2023/06/21/6\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Mailing List\",\"Patch\",\"Third Party Advisory\"]},{\"url\":\"https://kb.isc.org/docs/cve-2023-2911\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SEFCEVCTYEMKTWA7V7EYPI5YQQ4JWDLI/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Mailing List\",\"Third Party Advisory\"]},{\"url\":\"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/U3K6AJK7RRSR53HRF5GGKPA6PDUDWOD2/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Mailing List\",\"Third Party Advisory\"]},{\"url\":\"https://security.netapp.com/advisory/ntap-20230703-0010/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://www.debian.org/security/2023/dsa-5439\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]}]}}"
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

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.