fkie_cve-2015-4203
Vulnerability from fkie_nvd
Published
2015-06-23 14:59
Modified
2025-04-12 10:46
Severity ?
Summary
Race condition in Cisco IOS 12.2SCH in the Performance Routing Engine (PRE) module on uBR10000 devices, when NetFlow and an MPLS IPv6 VPN are configured, allows remote attackers to cause a denial of service (PXF process crash) by sending malformed MPLS 6VPE packets quickly, aka Bug ID CSCud83396.
References
psirt@cisco.comhttp://tools.cisco.com/security/center/viewAlert.x?alertId=39439Vendor Advisory
psirt@cisco.comhttp://www.securityfocus.com/bid/75339Third Party Advisory, VDB Entry
psirt@cisco.comhttp://www.securitytracker.com/id/1032692Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108http://tools.cisco.com/security/center/viewAlert.x?alertId=39439Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/75339Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108http://www.securitytracker.com/id/1032692Third Party Advisory, VDB Entry
Impacted products
Vendor Product Version
cisco ios 12.2\(33\)sch
cisco ios 12.2sch
cisco ubr10000_cable_modem_termination_system -


To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:cisco:ios:12.2\\(33\\)sch:*:*:*:*:*:*:*",
              "matchCriteriaId": "4B0B3338-E4D5-4095-8974-71E53C331994",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:cisco:ios:12.2sch:*:*:*:*:*:*:*",
              "matchCriteriaId": "B4036869-5126-4C78-9F5E-3159F8FC62EB",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        },
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:cisco:ubr10000_cable_modem_termination_system:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "AC98615A-29AC-454E-B4D9-222E8E85AD31",
              "vulnerable": false
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Race condition in Cisco IOS 12.2SCH in the Performance Routing Engine (PRE) module on uBR10000 devices, when NetFlow and an MPLS IPv6 VPN are configured, allows remote attackers to cause a denial of service (PXF process crash) by sending malformed MPLS 6VPE packets quickly, aka Bug ID CSCud83396."
    },
    {
      "lang": "es",
      "value": "Condici\u00f3n de carrera en Cisco IOS 12.2SCH en el m\u00f3dulo Performance Routing Engine (PRE) en los dispositivos uBR10000, cuando NetFlow y una VPN MPLS IPv6 est\u00e1n configurados, permite a atacantes remotos causar una denegaci\u00f3n de servicio (ca\u00edda del proceso PXF) mediante el env\u00edo r\u00e1pido de paquetes MPLS 6VPE malformados, tambi\u00e9n conocida como Bug ID CSCud83396."
    }
  ],
  "id": "CVE-2015-4203",
  "lastModified": "2025-04-12T10:46:40.837",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "HIGH",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "COMPLETE",
          "baseScore": 5.4,
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:H/Au:N/C:N/I:N/A:C",
          "version": "2.0"
        },
        "exploitabilityScore": 4.9,
        "impactScore": 6.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ]
  },
  "published": "2015-06-23T14:59:01.370",
  "references": [
    {
      "source": "psirt@cisco.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://tools.cisco.com/security/center/viewAlert.x?alertId=39439"
    },
    {
      "source": "psirt@cisco.com",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "url": "http://www.securityfocus.com/bid/75339"
    },
    {
      "source": "psirt@cisco.com",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "url": "http://www.securitytracker.com/id/1032692"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://tools.cisco.com/security/center/viewAlert.x?alertId=39439"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "url": "http://www.securityfocus.com/bid/75339"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "url": "http://www.securitytracker.com/id/1032692"
    }
  ],
  "sourceIdentifier": "psirt@cisco.com",
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-362"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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