{
  "id": "CVE-2006-6931",
  "sourceIdentifier": "cve@mitre.org",
  "published": "2007-01-16T23:28:00.000",
  "lastModified": "2024-11-21T00:23:59.320",
  "vulnStatus": "Modified",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Algorithmic complexity vulnerability in Snort before 2.6.1, during predicate evaluation in rule matching for certain rules, allows remote attackers to cause a denial of service (CPU consumption and detection outage) via crafted network traffic, aka a \"backtracking attack.\""
    },
    {
      "lang": "es",
      "value": "Vulnerabilidad de complejidad algor\u00edtmica en Snort anterior a 2.6.1, durante la evaluaci\u00f3n de un predicado en el chequeo de reglas para ciertas reglas, permite a atacantes remotos provocar una denegaci\u00f3n de servicio (consumo de CPU y parada de detecci\u00f3n) mediante tr\u00e1fico de red manipulado, tambi\u00e9n conocido como un \"ataque de vuelta hacia atr\u00e1s\" (backtracking attack)."
    }
  ],
  "metrics": {
    "cvssMetricV2": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
          "baseScore": 5.0,
          "accessVector": "NETWORK",
          "accessComplexity": "LOW",
          "authentication": "NONE",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "PARTIAL"
        },
        "baseSeverity": "MEDIUM",
        "exploitabilityScore": 10.0,
        "impactScore": 2.9,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-Other"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:snort:snort:*:*:*:*:*:*:*:*",
              "versionEndIncluding": "2.6.2",
              "matchCriteriaId": "020FACB7-031C-43A3-A138-61E0C24F467D"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "http://lists.immunitysec.com/pipermail/dailydave/2007-January/003954.html",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://secunia.com/advisories/23716",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://secunia.com/advisories/24164",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://secunia.com/advisories/24338",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://security.gentoo.org/glsa/glsa-200702-03.xml",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://securitytracker.com/id?1017508",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.acsac.org/2006/abstracts/54.html",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.acsac.org/2006/advance_program.html",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.acsac.org/2006/papers/54.pdf",
      "source": "cve@mitre.org",
      "tags": [
        "Vendor Advisory"
      ]
    },
    {
      "url": "http://www.cs.wisc.edu/~smithr/pubs/acsac2006.pdf",
      "source": "cve@mitre.org",
      "tags": [
        "Vendor Advisory"
      ]
    },
    {
      "url": "http://www.cs.wisc.edu/~smithr/pubs/randy_smith_acsac2006.zip",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.mandriva.com/security/advisories?name=MDKSA-2007:051",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.osvdb.org/32096",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.securityfocus.com/bid/21991",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.snort.org/pub-bin/snortnews.cgi",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/31430",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://lists.immunitysec.com/pipermail/dailydave/2007-January/003954.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://secunia.com/advisories/23716",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://secunia.com/advisories/24164",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://secunia.com/advisories/24338",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://security.gentoo.org/glsa/glsa-200702-03.xml",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://securitytracker.com/id?1017508",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.acsac.org/2006/abstracts/54.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.acsac.org/2006/advance_program.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.acsac.org/2006/papers/54.pdf",
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ]
    },
    {
      "url": "http://www.cs.wisc.edu/~smithr/pubs/acsac2006.pdf",
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ]
    },
    {
      "url": "http://www.cs.wisc.edu/~smithr/pubs/randy_smith_acsac2006.zip",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.mandriva.com/security/advisories?name=MDKSA-2007:051",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.osvdb.org/32096",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securityfocus.com/bid/21991",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.snort.org/pub-bin/snortnews.cgi",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/31430",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ]
}