FKIE_CVE-2003-0187

Vulnerability from fkie_nvd - Published: 2003-08-27 04:00 - Updated: 2025-04-03 01:03
Severity ?
Summary
The connection tracking core of Netfilter for Linux 2.4.20, with CONFIG_IP_NF_CONNTRACK enabled or the ip_conntrack module loaded, allows remote attackers to cause a denial of service (resource consumption) due to an inconsistency with Linux 2.4.20's support of linked lists, which causes Netfilter to fail to identify connections with an UNCONFIRMED status and use large timeouts.
References
cve@mitre.orghttp://marc.info/?l=bugtraq&m=105986028426824&w=2
cve@mitre.orghttps://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A260
af854a3a-2127-422b-91ae-364da2661108http://marc.info/?l=bugtraq&m=105986028426824&w=2
af854a3a-2127-422b-91ae-364da2661108https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A260
Impacted products
Vendor Product Version
linux linux_kernel 2.4.20
To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:2.4.20:*:*:*:*:*:*:*",
              "matchCriteriaId": "476687F9-722B-490C-BD0B-B5F2CD7891DC",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "The connection tracking core of Netfilter for Linux 2.4.20, with CONFIG_IP_NF_CONNTRACK enabled or the ip_conntrack module loaded, allows remote attackers to cause a denial of service (resource consumption) due to an inconsistency with Linux 2.4.20\u0027s support of linked lists, which causes Netfilter to fail to identify connections with an UNCONFIRMED status and use large timeouts."
    },
    {
      "lang": "es",
      "value": "El n\u00facleo de seguimiento de conexiones de Netfilter para Linux 2.4.20, con CONFIG_IP_NF_CONNTRACK activado o con el m\u00f3dulo ip_conntrack cargado, permite a atacantes remotos causar una denegaci\u00f3n de servicio (consumici\u00f3n de recursos), debido a una inconsistencia con el soporte de listas enlazadas de Linux 2.4.20, lo que hace que Netfilter no consigua identificar conexiones con un estado UNCONFIRMED y use intervalos de espera largos."
    }
  ],
  "id": "CVE-2003-0187",
  "lastModified": "2025-04-03T01:03:51.193",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 5.0,
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ]
  },
  "published": "2003-08-27T04:00:00.000",
  "references": [
    {
      "source": "cve@mitre.org",
      "url": "http://marc.info/?l=bugtraq\u0026m=105986028426824\u0026w=2"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A260"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://marc.info/?l=bugtraq\u0026m=105986028426824\u0026w=2"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A260"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-Other"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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