FKIE_CVE-2012-2663

Vulnerability from fkie_nvd - Published: 2014-02-15 14:57 - Updated: 2025-04-11 00:51
Severity ?
Summary
extensions/libxt_tcp.c in iptables through 1.4.21 does not match TCP SYN+FIN packets in --syn rules, which might allow remote attackers to bypass intended firewall restrictions via crafted packets. NOTE: the CVE-2012-6638 fix makes this issue less relevant.
References
secalert@redhat.comhttp://www.spinics.net/lists/netfilter-devel/msg21248.htmlPatch, Third Party Advisory
secalert@redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=826702Issue Tracking, Mitigation, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.spinics.net/lists/netfilter-devel/msg21248.htmlPatch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.redhat.com/show_bug.cgi?id=826702Issue Tracking, Mitigation, Patch, Third Party Advisory
Impacted products
Vendor Product Version
netfilter iptables *
To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:netfilter:iptables:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "E9907795-8B61-4CFF-A547-90F9C958A178",
              "versionEndIncluding": "1.4.21",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "extensions/libxt_tcp.c in iptables through 1.4.21 does not match TCP SYN+FIN packets in --syn rules, which might allow remote attackers to bypass intended firewall restrictions via crafted packets.  NOTE: the CVE-2012-6638 fix makes this issue less relevant."
    },
    {
      "lang": "es",
      "value": "extensions/libxt_tcp.c en iptables hasta 1.4.21 no hace conincidir paquetes TCP SYN+FIN en reglas --syn, lo que podr\u00eda permitir a atacantes remotos evadir las restricciones de firewall a trav\u00e9s de paquetes manipulados. NOTA: la soluci\u00f3n de CVE-2012-6638 hace que este problema sea menos relevante."
    }
  ],
  "id": "CVE-2012-2663",
  "lastModified": "2025-04-11T00:51:21.963",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "HIGH",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 7.5,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 6.4,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ]
  },
  "published": "2014-02-15T14:57:07.423",
  "references": [
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "url": "http://www.spinics.net/lists/netfilter-devel/msg21248.html"
    },
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Issue Tracking",
        "Mitigation",
        "Patch",
        "Third Party Advisory"
      ],
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=826702"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "url": "http://www.spinics.net/lists/netfilter-devel/msg21248.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Issue Tracking",
        "Mitigation",
        "Patch",
        "Third Party Advisory"
      ],
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=826702"
    }
  ],
  "sourceIdentifier": "secalert@redhat.com",
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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Detection rules are retrieved from Rulezet.