FKIE_CVE-2013-2494

Vulnerability from fkie_nvd - Published: 2013-03-28 16:55 - Updated: 2025-04-11 00:51
Severity ?
Summary
libdns in ISC DHCP 4.2.x before 4.2.5-P1 allows remote name servers to cause a denial of service (memory consumption) via vectors involving a regular expression, as demonstrated by a memory-exhaustion attack against a machine running a dhcpd process, a related issue to CVE-2013-2266.
References
cve@mitre.orghttps://kb.isc.org/article/AA-00880/Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://kb.isc.org/article/AA-00880/Vendor Advisory
Impacted products
Vendor Product Version
isc dhcp 4.2.0
isc dhcp 4.2.0
isc dhcp 4.2.0
isc dhcp 4.2.0
isc dhcp 4.2.0
isc dhcp 4.2.0
isc dhcp 4.2.0
isc dhcp 4.2.1
isc dhcp 4.2.1
isc dhcp 4.2.1
isc dhcp 4.2.2
isc dhcp 4.2.2
isc dhcp 4.2.2
isc dhcp 4.2.3
isc dhcp 4.2.3
isc dhcp 4.2.3
isc dhcp 4.2.4
isc dhcp 4.2.4
isc dhcp 4.2.5
To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:isc:dhcp:4.2.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "7AFCB588-F1C0-4276-993C-CB0FA2BE21F9",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:isc:dhcp:4.2.0:a1:*:*:*:*:*:*",
              "matchCriteriaId": "56113AB6-8295-4EB7-A003-79049FBB8B4C",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:isc:dhcp:4.2.0:a2:*:*:*:*:*:*",
              "matchCriteriaId": "362DA97E-B940-4649-803F-26D8C1D16DA5",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:isc:dhcp:4.2.0:b1:*:*:*:*:*:*",
              "matchCriteriaId": "950A6BA0-C348-4B89-8C18-F2AFA467649F",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:isc:dhcp:4.2.0:b2:*:*:*:*:*:*",
              "matchCriteriaId": "9088D042-F104-4F31-AEBB-75F5A0F03AE5",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:isc:dhcp:4.2.0:p1:*:*:*:*:*:*",
              "matchCriteriaId": "F159908A-00E7-4EC8-8342-28182F547C4A",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:isc:dhcp:4.2.0:rc1:*:*:*:*:*:*",
              "matchCriteriaId": "1C49DF07-9612-43C7-9771-B76487B4A9CD",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:isc:dhcp:4.2.1:*:*:*:*:*:*:*",
              "matchCriteriaId": "CE3EE047-6A23-4BFF-9576-9E4CA63BA153",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:isc:dhcp:4.2.1:b1:*:*:*:*:*:*",
              "matchCriteriaId": "C0F06FC0-6477-4589-B9CB-24B1F893EF09",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:isc:dhcp:4.2.1:rc1:*:*:*:*:*:*",
              "matchCriteriaId": "6CCA07EB-B0CB-40EE-B62E-DB4C408717B7",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:isc:dhcp:4.2.2:*:*:*:*:*:*:*",
              "matchCriteriaId": "D1707B3D-29F7-46C6-8A0A-D776E062FD4F",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:isc:dhcp:4.2.2:b1:*:*:*:*:*:*",
              "matchCriteriaId": "53551545-041A-456F-BC81-E05A6B3CB198",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:isc:dhcp:4.2.2:rc1:*:*:*:*:*:*",
              "matchCriteriaId": "0F3DBB40-638E-4A4B-99B4-534D2564E146",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:isc:dhcp:4.2.3:*:*:*:*:*:*:*",
              "matchCriteriaId": "493B7D92-18A4-4221-AEDD-917404C47E6D",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:isc:dhcp:4.2.3:p1:*:*:*:*:*:*",
              "matchCriteriaId": "FA0C3173-8630-4613-B1D3-711468FC3749",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:isc:dhcp:4.2.3:p2:*:*:*:*:*:*",
              "matchCriteriaId": "F104AD27-0AE0-4853-B19C-1D83070A0DEF",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:isc:dhcp:4.2.4:*:*:*:*:*:*:*",
              "matchCriteriaId": "65689412-A35D-40B9-8671-DE8FF63C3DCC",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:isc:dhcp:4.2.4:p1:*:*:*:*:*:*",
              "matchCriteriaId": "E85A27A0-A83B-4BBF-A3B8-5219F2053902",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:isc:dhcp:4.2.5:*:*:*:*:*:*:*",
              "matchCriteriaId": "0383976E-DF90-4850-A1A3-D1965B50A511",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "libdns in ISC DHCP 4.2.x before 4.2.5-P1 allows remote name servers to cause a denial of service (memory consumption) via vectors involving a regular expression, as demonstrated by a memory-exhaustion attack against a machine running a dhcpd process, a related issue to CVE-2013-2266."
    },
    {
      "lang": "es",
      "value": "libdns en ISC DHCP v4.2.x antes de v4.2.5-P1 permite a los servidores de nombres remotos provocar una denegaci\u00f3n de servicio (consumo de memoria) a trav\u00e9s de vectores relacionados con una expresi\u00f3n regular, como lo demuestra un ataque memoria de agotamiento contra un equipo que ejecuta un proceso de dhcpd, un tema relacionado con CVE-2013-2266."
    }
  ],
  "id": "CVE-2013-2494",
  "lastModified": "2025-04-11T00:51:21.963",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "HIGH",
          "accessVector": "NETWORK",
          "authentication": "SINGLE",
          "availabilityImpact": "COMPLETE",
          "baseScore": 4.9,
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:H/Au:S/C:N/I:N/A:C",
          "version": "2.0"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 6.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ]
  },
  "published": "2013-03-28T16:55:01.060",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://kb.isc.org/article/AA-00880/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://kb.isc.org/article/AA-00880/"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-119"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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 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.