Vulnerability-Lookup

ubuntu-cve-2013-2494

Vulnerability from osv_ubuntu

Published

2013-03-28 16:55

Modified

2025-07-16 04:50

Summary

Details

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.

Severity

N/A (UNKNOWN)

low

References

URL

Type

	https://ubuntu.com/security/CVE-2013-2494	REPORT
	https://kb.isc.org/article/AA-00880/	REPORT
	https://www.cve.org/CVERecord?id=CVE-2013-2494	REPORT

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "isc-dhcp-client",
            "binary_version": "4.2.4-7ubuntu12.3"
          },
          {
            "binary_name": "isc-dhcp-client-dbg",
            "binary_version": "4.2.4-7ubuntu12.3"
          },
          {
            "binary_name": "isc-dhcp-client-dbgsym",
            "binary_version": "4.2.4-7ubuntu12.3"
          },
          {
            "binary_name": "isc-dhcp-client-udeb",
            "binary_version": "4.2.4-7ubuntu12.3"
          },
          {
            "binary_name": "isc-dhcp-client-udeb-dbgsym",
            "binary_version": "4.2.4-7ubuntu12.3"
          },
          {
            "binary_name": "isc-dhcp-common",
            "binary_version": "4.2.4-7ubuntu12.3"
          },
          {
            "binary_name": "isc-dhcp-common-dbgsym",
            "binary_version": "4.2.4-7ubuntu12.3"
          },
          {
            "binary_name": "isc-dhcp-dev",
            "binary_version": "4.2.4-7ubuntu12.3"
          },
          {
            "binary_name": "isc-dhcp-relay",
            "binary_version": "4.2.4-7ubuntu12.3"
          },
          {
            "binary_name": "isc-dhcp-relay-dbg",
            "binary_version": "4.2.4-7ubuntu12.3"
          },
          {
            "binary_name": "isc-dhcp-relay-dbgsym",
            "binary_version": "4.2.4-7ubuntu12.3"
          },
          {
            "binary_name": "isc-dhcp-server",
            "binary_version": "4.2.4-7ubuntu12.3"
          },
          {
            "binary_name": "isc-dhcp-server-dbg",
            "binary_version": "4.2.4-7ubuntu12.3"
          },
          {
            "binary_name": "isc-dhcp-server-dbgsym",
            "binary_version": "4.2.4-7ubuntu12.3"
          },
          {
            "binary_name": "isc-dhcp-server-ldap",
            "binary_version": "4.2.4-7ubuntu12.3"
          },
          {
            "binary_name": "isc-dhcp-server-ldap-dbgsym",
            "binary_version": "4.2.4-7ubuntu12.3"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:14.04:LTS",
        "name": "isc-dhcp",
        "purl": "pkg:deb/ubuntu/isc-dhcp@4.2.4-7ubuntu12.3?arch=source\u0026distro=trusty"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "4.2.4-7ubuntu12.3"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "4.2.4-7ubuntu8",
        "4.2.4-7ubuntu9",
        "4.2.4-7ubuntu10",
        "4.2.4-7ubuntu11",
        "4.2.4-7ubuntu12",
        "4.2.4-7ubuntu12.1",
        "4.2.4-7ubuntu12.2"
      ]
    }
  ],
  "aliases": [],
  "details": "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.",
  "id": "UBUNTU-CVE-2013-2494",
  "modified": "2025-07-16T04:50:16Z",
  "published": "2013-03-28T16:55:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2013-2494"
    },
    {
      "type": "REPORT",
      "url": "https://kb.isc.org/article/AA-00880/"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2013-2494"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "low",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2013-2494"
  ],
  "withdrawn": "2025-07-18T16:42:52Z"
}

CVE-2013-2494 (GCVE-0-2013-2494)

Vulnerability from cvelistv5 – Published: 2013-03-28 16:00 – Updated: 2024-09-16 19:52

Summary

Severity

No CVSS data available.

CWE

Assigner

mitre

References

1 reference

URL	Tags
https://kb.isc.org/article/AA-00880/	x_refsource_CONFIRM

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-06T15:44:31.973Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://kb.isc.org/article/AA-00880/"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "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."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2013-03-28T16:00:00.000Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://kb.isc.org/article/AA-00880/"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2013-2494",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "n/a",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "n/a"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "n/a"
              }
            ]
          }
        },
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        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
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            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
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                  "value": "n/a"
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        },
        "references": {
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            }
          ]
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  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2013-2494",
    "datePublished": "2013-03-28T16:00:00.000Z",
    "dateReserved": "2013-03-07T00:00:00.000Z",
    "dateUpdated": "2024-09-16T19:52:30.979Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.

Action not permitted

ubuntu-cve-2013-2494

Vulnerability from osv_ubuntu

CVE-2013-2494 (GCVE-0-2013-2494)

Tags

Sightings

Nomenclature