CVE-2011-1922 (GCVE-0-2011-1922)

Vulnerability from cvelistv5 – Published: 2011-05-31 20:00 – Updated: 2024-08-06 22:46
VLAI
Summary
daemon/worker.c in Unbound 1.x before 1.4.10, when debugging functionality and the interface-automatic option are enabled, allows remote attackers to cause a denial of service (assertion failure and daemon exit) via a crafted DNS request that triggers improper error handling.
Severity
No CVSS data available.
CWE
  • n/a
Assigner
References
URL Tags
http://lists.fedoraproject.org/pipermail/package-… vendor-advisoryx_refsource_FEDORA
http://www.securityfocus.com/bid/47986 vdb-entryx_refsource_BID
http://secunia.com/advisories/44865 third-party-advisoryx_refsource_SECUNIA
http://osvdb.org/72750 vdb-entryx_refsource_OSVDB
http://www.kb.cert.org/vuls/id/531342 third-party-advisoryx_refsource_CERT-VN
https://exchange.xforce.ibmcloud.com/vulnerabilit… vdb-entryx_refsource_XF
http://unbound.nlnetlabs.nl/downloads/CVE-2011-1922.txt x_refsource_CONFIRM
Date Public
2011-05-25 00:00
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-06T22:46:00.344Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "name": "FEDORA-2011-7555",
            "tags": [
              "vendor-advisory",
              "x_refsource_FEDORA",
              "x_transferred"
            ],
            "url": "http://lists.fedoraproject.org/pipermail/package-announce/2011-June/061243.html"
          },
          {
            "name": "47986",
            "tags": [
              "vdb-entry",
              "x_refsource_BID",
              "x_transferred"
            ],
            "url": "http://www.securityfocus.com/bid/47986"
          },
          {
            "name": "44865",
            "tags": [
              "third-party-advisory",
              "x_refsource_SECUNIA",
              "x_transferred"
            ],
            "url": "http://secunia.com/advisories/44865"
          },
          {
            "name": "72750",
            "tags": [
              "vdb-entry",
              "x_refsource_OSVDB",
              "x_transferred"
            ],
            "url": "http://osvdb.org/72750"
          },
          {
            "name": "VU#531342",
            "tags": [
              "third-party-advisory",
              "x_refsource_CERT-VN",
              "x_transferred"
            ],
            "url": "http://www.kb.cert.org/vuls/id/531342"
          },
          {
            "name": "unbound-dns-dos(67645)",
            "tags": [
              "vdb-entry",
              "x_refsource_XF",
              "x_transferred"
            ],
            "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/67645"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "http://unbound.nlnetlabs.nl/downloads/CVE-2011-1922.txt"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "datePublic": "2011-05-25T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "daemon/worker.c in Unbound 1.x before 1.4.10, when debugging functionality and the interface-automatic option are enabled, allows remote attackers to cause a denial of service (assertion failure and daemon exit) via a crafted DNS request that triggers improper error handling."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2017-08-16T14:57:01.000Z",
        "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
        "shortName": "redhat"
      },
      "references": [
        {
          "name": "FEDORA-2011-7555",
          "tags": [
            "vendor-advisory",
            "x_refsource_FEDORA"
          ],
          "url": "http://lists.fedoraproject.org/pipermail/package-announce/2011-June/061243.html"
        },
        {
          "name": "47986",
          "tags": [
            "vdb-entry",
            "x_refsource_BID"
          ],
          "url": "http://www.securityfocus.com/bid/47986"
        },
        {
          "name": "44865",
          "tags": [
            "third-party-advisory",
            "x_refsource_SECUNIA"
          ],
          "url": "http://secunia.com/advisories/44865"
        },
        {
          "name": "72750",
          "tags": [
            "vdb-entry",
            "x_refsource_OSVDB"
          ],
          "url": "http://osvdb.org/72750"
        },
        {
          "name": "VU#531342",
          "tags": [
            "third-party-advisory",
            "x_refsource_CERT-VN"
          ],
          "url": "http://www.kb.cert.org/vuls/id/531342"
        },
        {
          "name": "unbound-dns-dos(67645)",
          "tags": [
            "vdb-entry",
            "x_refsource_XF"
          ],
          "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/67645"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "http://unbound.nlnetlabs.nl/downloads/CVE-2011-1922.txt"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
    "assignerShortName": "redhat",
    "cveId": "CVE-2011-1922",
    "datePublished": "2011-05-31T20:00:00.000Z",
    "dateReserved": "2011-05-09T00:00:00.000Z",
    "dateUpdated": "2024-08-06T22:46:00.344Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2011-1922",
      "date": "2026-08-18",
      "epss": "0.07085",
      "percentile": "0.93671"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2011-1922\",\"sourceIdentifier\":\"secalert@redhat.com\",\"published\":\"2011-05-31T20:55:03.530\",\"lastModified\":\"2026-04-29T01:13:23.040\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"daemon/worker.c in Unbound 1.x before 1.4.10, when debugging functionality and the interface-automatic option are enabled, allows remote attackers to cause a denial of service (assertion failure and daemon exit) via a crafted DNS request that triggers improper error handling.\"},{\"lang\":\"es\",\"value\":\"daemon/worker.c de Unbound 1.x anteriores a 1.4.10, cuando la funcionalidad de depuraci\u00f3n de errores (\\\"debugging\\\") y la opci\u00f3n de \\\"interface-automatic\\\" est\u00e1n activadas, permite a atacantes remotos provocar una denegaci\u00f3n de servicio (fallo en aserci\u00f3n y finalizaci\u00f3n del demonio) a trav\u00e9s de una petici\u00f3n DNS modificada que provoca un manejo de error incorrecto.\"}],\"metrics\":{\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:M/Au:N/C:N/I:N/A:P\",\"baseScore\":4.3,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"MEDIUM\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"PARTIAL\"},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":8.6,\"impactScore\":2.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-399\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:nlnetlabs:unbound:1.0.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"AA2F7047-5435-4616-8357-B72BB3F9A600\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:nlnetlabs:unbound:1.0.1:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"05137329-C056-4E1E-811E-0AF2899E9EE4\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:nlnetlabs:unbound:1.0.2:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"850E4420-3B05-4F99-A4C6-AD22E127E7DC\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:nlnetlabs:unbound:1.1.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"B6A23044-AB7D-4303-804B-11ADC8CF4CD3\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:nlnetlabs:unbound:1.1.1:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"C9DFA469-124B-4F6A-9D86-2B615CC1F5B0\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:nlnetlabs:unbound:1.2.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"5D463CB7-2B65-4A4D-8AC2-35F6C51CAC3E\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:nlnetlabs:unbound:1.2.1:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"E7701F4B-6FF1-463E-BF6D-6B7EA96DB192\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:nlnetlabs:unbound:1.3.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"661E72ED-666D-4532-B503-683E2C84686F\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:nlnetlabs:unbound:1.3.1:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"DDF5BCB9-1950-4099-8E08-5D1CBF6749FE\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:nlnetlabs:unbound:1.3.2:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"04981A8D-F3F8-4D83-818B-775E8FE9CE77\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:nlnetlabs:unbound:1.3.3:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"2AFAA6EC-C28C-4400-9979-0BF9FE3316EB\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:nlnetlabs:unbound:1.3.4:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"FEECDCF7-4E80-407E-80DA-E8DC3AE49B70\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:nlnetlabs:unbound:1.4.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"A3240CB4-DB33-4349-88A5-A6AE32F146A0\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:nlnetlabs:unbound:1.4.1:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"D6C947E1-5EC3-4207-9D05-6F09A0587DF8\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:nlnetlabs:unbound:1.4.2:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"EA988145-4527-492A-BD2D-0421C562FB97\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:nlnetlabs:unbound:1.4.3:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"9C922CA6-3411-4E42-A92E-1F579F3F4DE9\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:nlnetlabs:unbound:1.4.4:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"D093B7CC-8816-477B-9336-81CE2BDD11E8\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:nlnetlabs:unbound:1.4.5:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"4FA5C9E6-E0D2-4C7D-ACEA-69967D8D08CD\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:nlnetlabs:unbound:1.4.6:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"C4E3CB88-F651-4BB5-BB76-A2621AAF678C\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:nlnetlabs:unbound:1.4.7:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"E69371BD-A296-4097-9537-8CF12F6A6A90\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:nlnetlabs:unbound:1.4.8:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"10D5F8FB-650F-485F-A471-E2F625317CAD\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:nlnetlabs:unbound:1.4.9:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"BA95DEC2-E47D-4B05-9F69-F1EAFBB11F68\"}]}]}],\"references\":[{\"url\":\"http://lists.fedoraproject.org/pipermail/package-announce/2011-June/061243.html\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://osvdb.org/72750\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://secunia.com/advisories/44865\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://unbound.nlnetlabs.nl/downloads/CVE-2011-1922.txt\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Patch\",\"Vendor Advisory\"]},{\"url\":\"http://www.kb.cert.org/vuls/id/531342\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Patch\",\"US Government Resource\"]},{\"url\":\"http://www.securityfocus.com/bid/47986\",\"source\":\"secalert@redhat.com\"},{\"url\":\"https://exchange.xforce.ibmcloud.com/vulnerabilities/67645\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://lists.fedoraproject.org/pipermail/package-announce/2011-June/061243.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://osvdb.org/72750\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://secunia.com/advisories/44865\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://unbound.nlnetlabs.nl/downloads/CVE-2011-1922.txt\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\",\"Vendor Advisory\"]},{\"url\":\"http://www.kb.cert.org/vuls/id/531342\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\",\"US Government Resource\"]},{\"url\":\"http://www.securityfocus.com/bid/47986\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://exchange.xforce.ibmcloud.com/vulnerabilities/67645\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"}]}}",
    "redhat_vex": {
      "current_release_date": "2025-11-21T12:57:43+00:00",
      "cve": "CVE-2011-1922",
      "id": "CVE-2011-1922",
      "initial_release_date": "2011-05-25T00:00:00+00:00",
      "product_status:known_not_affected": "1",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "unbound: remote DoS",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2011/cve-2011-1922.json",
      "version": "3"
    }
  }
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.





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

Author Source Type Date Other

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.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • 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.