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CVE-2008-1804

Estado: ModificadaMedia (6.8)—

preprocessors/spp_frag3.c in Sourcefire Snort before 2.8.1 does not properly identify packet fragments that have dissimilar TTL values, which allows remote attackers to bypass detection rules by using a different TTL for each fragment.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

Snort — Snort

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2008-1804",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 6.8,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": true,
        "userInteractionRequired": false
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2008-05-22T13:09:00.000",
  "references": [
    {
      "url": "http://cvs.snort.org/viewcvs.cgi/snort/ChangeLog?rev=1.534.2.11",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://cvs.snort.org/viewcvs.cgi/snort/src/preprocessors/spp_frag3.c.diff?r1=text&tr1=1.46.2.4&r2=text&tr2=1.46.2.5&diff_format=h",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=701",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://secunia.com/advisories/30348",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://secunia.com/advisories/30563",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://secunia.com/advisories/31204",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://securitytracker.com/id?1020081",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.ipcop.org/index.php?name=News&file=article&sid=40",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.securityfocus.com/bid/29327",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.vupen.com/english/advisories/2008/1602",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/42584",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://www.redhat.com/archives/fedora-package-announce/2008-June/msg00156.html",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://www.redhat.com/archives/fedora-package-announce/2008-June/msg00167.html",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://www.redhat.com/archives/fedora-package-announce/2008-June/msg00198.html",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://cvs.snort.org/viewcvs.cgi/snort/ChangeLog?rev=1.534.2.11",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://cvs.snort.org/viewcvs.cgi/snort/src/preprocessors/spp_frag3.c.diff?r1=text&tr1=1.46.2.4&r2=text&tr2=1.46.2.5&diff_format=h",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=701",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://secunia.com/advisories/30348",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://secunia.com/advisories/30563",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://secunia.com/advisories/31204",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://securitytracker.com/id?1020081",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.ipcop.org/index.php?name=News&file=article&sid=40",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securityfocus.com/bid/29327",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.vupen.com/english/advisories/2008/1602",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/42584",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://www.redhat.com/archives/fedora-package-announce/2008-June/msg00156.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://www.redhat.com/archives/fedora-package-announce/2008-June/msg00167.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://www.redhat.com/archives/fedora-package-announce/2008-June/msg00198.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-Other"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "preprocessors/spp_frag3.c in Sourcefire Snort before 2.8.1 does not properly identify packet fragments that have dissimilar TTL values, which allows remote attackers to bypass detection rules by using a different TTL for each fragment."
    },
    {
      "lang": "es",
      "value": "preprocessors/spp_frag3.c en Sourcefire Snort before 2.8.1 no identifica adecuadamente los fragmentos de paquetes que tienen valores TTL distintos, esto permite a atacantes remotos evitar las reglas de detección usando un paquete TTL para cada fragmento."
    }
  ],
  "lastModified": "2026-06-16T22:52:31.307",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:snort:snort:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "41A284AF-58E7-43A2-85E1-2D26C90E6C8E",
              "versionEndIncluding": "2.8.0"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}