fkie_cve-2004-0626
Vulnerability from fkie_nvd
Published
2004-12-06 05:00
Modified
2025-04-03 01:03
Severity ?
Summary
The tcp_find_option function of the netfilter subsystem in Linux kernel 2.6, when using iptables and TCP options rules, allows remote attackers to cause a denial of service (CPU consumption by infinite loop) via a large option length that produces a negative integer after a casting operation to the char type.
Impacted products



{
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  "cveTags": [],
  "descriptions": [
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      "lang": "en",
      "value": "The tcp_find_option function of the netfilter subsystem in Linux kernel 2.6, when using iptables and TCP options rules, allows remote attackers to cause a denial of service (CPU consumption by infinite loop) via a large option length that produces a negative integer after a casting operation to the char type."
    },
    {
      "lang": "es",
      "value": "La funci\u00f3n tcp_find_option del subsistema netfilter del kernel 2.6 de Linux, cuando se usan iptables y reglas de opciones TCP, permite a atacantes remotos causar una denegaci\u00f3n de servicio (consumici\u00f3n de CPU por bucle infinito) mediante una opci\u00f3n de longitud larga que produce un entero negativo despu\u00e9s de una conversi\u00f3n de tipos a char."
    }
  ],
  "id": "CVE-2004-0626",
  "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": "2004-12-06T05:00:00.000",
  "references": [
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      "tags": [
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      "url": "http://lwn.net/Articles/91964/"
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    },
    {
      "source": "cve@mitre.org",
      "tags": [
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    },
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      "source": "cve@mitre.org",
      "url": "http://www.novell.com/linux/security/advisories/2004_20_kernel.html"
    },
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    },
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      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/16554"
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  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Deferred",
  "weaknesses": [
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      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-Other"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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