FKIE_CVE-2007-1497

Vulnerability from fkie_nvd - Published: 2007-03-16 22:19 - Updated: 2026-06-16 22:37
Severity
Summary
nf_conntrack in netfilter in the Linux kernel before 2.6.20.3 does not set nfctinfo during reassembly of fragmented packets, which leaves the default value as IP_CT_ESTABLISHED and might allow remote attackers to bypass certain rulesets using IPv6 fragments.
References
cve@mitre.orghttp://secunia.com/advisories/24492Patch, Vendor Advisory
cve@mitre.orghttp://secunia.com/advisories/25228
cve@mitre.orghttp://secunia.com/advisories/25288
cve@mitre.orghttp://secunia.com/advisories/25392
cve@mitre.orghttp://secunia.com/advisories/25961
cve@mitre.orghttp://secunia.com/advisories/26620
cve@mitre.orghttp://www.debian.org/security/2007/dsa-1289
cve@mitre.orghttp://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.20.3
cve@mitre.orghttp://www.mandriva.com/security/advisories?name=MDKSA-2007:171
cve@mitre.orghttp://www.mandriva.com/security/advisories?name=MDKSA-2007:196
cve@mitre.orghttp://www.novell.com/linux/security/advisories/2007_43_kernel.html
cve@mitre.orghttp://www.osvdb.org/33028
cve@mitre.orghttp://www.redhat.com/support/errata/RHSA-2007-0347.html
cve@mitre.orghttp://www.securityfocus.com/bid/23976
cve@mitre.orghttp://www.ubuntu.com/usn/usn-464-1
cve@mitre.orghttp://www.vupen.com/english/advisories/2007/0944
cve@mitre.orghttps://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10457
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/24492Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/25228
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/25288
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/25392
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/25961
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/26620
af854a3a-2127-422b-91ae-364da2661108http://www.debian.org/security/2007/dsa-1289
af854a3a-2127-422b-91ae-364da2661108http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.20.3
af854a3a-2127-422b-91ae-364da2661108http://www.mandriva.com/security/advisories?name=MDKSA-2007:171
af854a3a-2127-422b-91ae-364da2661108http://www.mandriva.com/security/advisories?name=MDKSA-2007:196
af854a3a-2127-422b-91ae-364da2661108http://www.novell.com/linux/security/advisories/2007_43_kernel.html
af854a3a-2127-422b-91ae-364da2661108http://www.osvdb.org/33028
af854a3a-2127-422b-91ae-364da2661108http://www.redhat.com/support/errata/RHSA-2007-0347.html
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/23976
af854a3a-2127-422b-91ae-364da2661108http://www.ubuntu.com/usn/usn-464-1
af854a3a-2127-422b-91ae-364da2661108http://www.vupen.com/english/advisories/2007/0944
af854a3a-2127-422b-91ae-364da2661108https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10457
Impacted products
Vendor Product Version
linux linux_kernel *
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "source": "cve@mitre.org"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "4C23C3FF-1016-4A18-8747-832F91EDB572",
              "versionEndIncluding": "2.6.20.2",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "nf_conntrack in netfilter in the Linux kernel before 2.6.20.3 does not set nfctinfo during reassembly of fragmented packets, which leaves the default value as IP_CT_ESTABLISHED and might allow remote attackers to bypass certain rulesets using IPv6 fragments."
    },
    {
      "lang": "es",
      "value": "nf_conntrack en netfilter en el kernel de Linux anterior a 2.6.20.3 no fija nfctinfo durante el nuevo re-ensamble de paquetes fragmentados, lo cual deja el valor por defecto como IP_CT_ESTABLISHED y permitir\u00eda a atacantes remotos evitar ciertas reglas de asignaci\u00f3n utilizando fragmentos IPv6."
    }
  ],
  "id": "CVE-2007-1497",
  "lastModified": "2026-06-16T22:37:42.200",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 5.0,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ]
  },
  "published": "2007-03-16T22:19:00.000",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "url": "http://secunia.com/advisories/24492"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://secunia.com/advisories/25228"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://secunia.com/advisories/25288"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://secunia.com/advisories/25392"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://secunia.com/advisories/25961"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://secunia.com/advisories/26620"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://www.debian.org/security/2007/dsa-1289"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.20.3"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://www.mandriva.com/security/advisories?name=MDKSA-2007:171"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://www.mandriva.com/security/advisories?name=MDKSA-2007:196"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://www.novell.com/linux/security/advisories/2007_43_kernel.html"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://www.osvdb.org/33028"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://www.redhat.com/support/errata/RHSA-2007-0347.html"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://www.securityfocus.com/bid/23976"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://www.ubuntu.com/usn/usn-464-1"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://www.vupen.com/english/advisories/2007/0944"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10457"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "url": "http://secunia.com/advisories/24492"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://secunia.com/advisories/25228"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://secunia.com/advisories/25288"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://secunia.com/advisories/25392"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://secunia.com/advisories/25961"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://secunia.com/advisories/26620"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.debian.org/security/2007/dsa-1289"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.20.3"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.mandriva.com/security/advisories?name=MDKSA-2007:171"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.mandriva.com/security/advisories?name=MDKSA-2007:196"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.novell.com/linux/security/advisories/2007_43_kernel.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.osvdb.org/33028"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.redhat.com/support/errata/RHSA-2007-0347.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.securityfocus.com/bid/23976"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.ubuntu.com/usn/usn-464-1"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.vupen.com/english/advisories/2007/0944"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10457"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-Other"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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