fkie_cve-2017-3849
Vulnerability from fkie_nvd
Published
2017-03-21 16:59
Modified
2025-04-20 01:37
Summary
A vulnerability in the Autonomic Networking Infrastructure (ANI) registrar feature of Cisco IOS Software (possibly 15.2 through 15.6) and Cisco IOS XE Software (possibly 3.7 through 3.18, and 16) could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition. The vulnerability is due to incomplete input validation on certain crafted packets. An attacker could exploit this vulnerability by sending a crafted autonomic network channel discovery packet to a device that has all the following characteristics: (1) running a Cisco IOS Software or Cisco IOS XE Software release that supports the ANI feature; (2) configured as an autonomic registrar; (3) has a whitelist configured. An exploit could allow the attacker to cause the affected device to reload. Note: Autonomic networking should be configured with a whitelist. Do not remove the whitelist as a workaround. Cisco Bug IDs: CSCvc42717.
Impacted products
Vendor Product Version
cisco ios 15.2\(3\)e
cisco ios 15.2\(3\)e1
cisco ios 15.2\(3\)e2
cisco ios 15.2\(3\)e3
cisco ios 15.2\(4\)e
cisco ios 15.2\(4\)e1
cisco ios 15.2\(4\)e2
cisco ios 15.2\(4\)e3
cisco ios 15.2\(5\)e
cisco ios 15.2\(5\)e1
cisco ios 15.2\(5a\)e
cisco ios 15.2\(5b\)e
cisco ios 15.3\(3\)s
cisco ios 15.3\(3\)s1
cisco ios 15.3\(3\)s2
cisco ios 15.3\(3\)s3
cisco ios 15.3\(3\)s4
cisco ios 15.3\(3\)s5
cisco ios 15.3\(3\)s6
cisco ios 15.3\(3\)s8
cisco ios 15.3\(3\)s9
cisco ios 15.4\(1\)s
cisco ios 15.4\(1\)s1
cisco ios 15.4\(1\)s2
cisco ios 15.4\(1\)s3
cisco ios 15.4\(1\)s4
cisco ios 15.4\(2\)s1
cisco ios 15.4\(2\)s2
cisco ios 15.4\(2\)s3
cisco ios 15.4\(2\)s4
cisco ios 15.4\(3\)s
cisco ios 15.4\(3\)s1
cisco ios 15.4\(3\)s2
cisco ios 15.4\(3\)s3
cisco ios 15.4\(3\)s4
cisco ios 15.4\(3\)s5
cisco ios 15.4\(3\)s6
cisco ios 15.4\(3\)s6a
cisco ios 15.5\(1\)s
cisco ios 15.5\(1\)s1
cisco ios 15.5\(1\)s2
cisco ios 15.5\(1\)s3
cisco ios 15.5\(1\)s4
cisco ios 15.5\(2\)s
cisco ios 15.5\(2\)s1
cisco ios 15.5\(2\)s2
cisco ios 15.5\(2\)s3
cisco ios 15.5\(2\)s4
cisco ios 15.5\(3\)s
cisco ios 15.5\(3\)s0a
cisco ios 15.5\(3\)s1
cisco ios 15.5\(3\)s1a
cisco ios 15.5\(3\)s2
cisco ios 15.5\(3\)s3
cisco ios 15.5\(3\)s4
cisco ios 15.5\(3\)s5
cisco ios 15.5\(3\)sn
cisco ios 15.6\(1\)s
cisco ios 15.6\(1\)s1
cisco ios 15.6\(1\)s2
cisco ios 15.6\(1\)s3
cisco ios 15.6\(1\)t
cisco ios 15.6\(1\)t0a
cisco ios 15.6\(1\)t1
cisco ios 15.6\(1\)t2
cisco ios 15.6\(2\)s
cisco ios 15.6\(2\)s1
cisco ios 15.6\(2\)s2
cisco ios 15.6\(2\)sn
cisco ios 15.6\(2\)sp
cisco ios 15.6\(2\)sp1
cisco ios 15.6\(2\)t
cisco ios 15.6\(2\)t1
cisco ios 15.6\(2\)t2
cisco ios 15.6\(3\)m
cisco ios 15.6\(3\)m0a
cisco ios 15.6\(3\)m1
cisco ios_xe 3.7.0e
cisco ios_xe 3.7.1e
cisco ios_xe 3.7.2e
cisco ios_xe 3.7.3e
cisco ios_xe 3.7.4e
cisco ios_xe 3.7.5e
cisco ios_xe 3.8.0e
cisco ios_xe 3.8.1e
cisco ios_xe 3.8.2e
cisco ios_xe 3.8.3e
cisco ios_xe 3.9.0e
cisco ios_xe 3.9.1e
cisco ios_xe 3.10.0s
cisco ios_xe 3.10.1s
cisco ios_xe 3.10.1xbs
cisco ios_xe 3.10.2s
cisco ios_xe 3.10.2ts
cisco ios_xe 3.10.3s
cisco ios_xe 3.10.4s
cisco ios_xe 3.10.5s
cisco ios_xe 3.10.6s
cisco ios_xe 3.10.7s
cisco ios_xe 3.10.8as
cisco ios_xe 3.10.8s
cisco ios_xe 3.11.0s
cisco ios_xe 3.11.1s
cisco ios_xe 3.11.2s
cisco ios_xe 3.11.3s
cisco ios_xe 3.11.4s
cisco ios_xe 3.12.0as
cisco ios_xe 3.12.1s
cisco ios_xe 3.12.2s
cisco ios_xe 3.12.3s
cisco ios_xe 3.12.4s
cisco ios_xe 3.13.0as
cisco ios_xe 3.13.0s
cisco ios_xe 3.13.1s
cisco ios_xe 3.13.2as
cisco ios_xe 3.13.2s
cisco ios_xe 3.13.3s
cisco ios_xe 3.13.4s
cisco ios_xe 3.13.5as
cisco ios_xe 3.13.5s
cisco ios_xe 3.13.6as
cisco ios_xe 3.13.6s
cisco ios_xe 3.14.0s
cisco ios_xe 3.14.1s
cisco ios_xe 3.14.2s
cisco ios_xe 3.14.3s
cisco ios_xe 3.14.4s
cisco ios_xe 3.15.0s
cisco ios_xe 3.15.1cs
cisco ios_xe 3.15.1s
cisco ios_xe 3.15.2s
cisco ios_xe 3.15.3s
cisco ios_xe 3.15.4s
cisco ios_xe 3.16.0cs
cisco ios_xe 3.16.0s
cisco ios_xe 3.16.1as
cisco ios_xe 3.16.1s
cisco ios_xe 3.16.2bs
cisco ios_xe 3.16.2s
cisco ios_xe 3.16.3as
cisco ios_xe 3.16.3s
cisco ios_xe 3.16.4as
cisco ios_xe 3.16.4bs
cisco ios_xe 3.16.4ds
cisco ios_xe 3.16.4s
cisco ios_xe 3.16.5s
cisco ios_xe 3.17.0s
cisco ios_xe 3.17.1as
cisco ios_xe 3.17.1s
cisco ios_xe 3.17.2s
cisco ios_xe 3.17.3s
cisco ios_xe 3.18.0as
cisco ios_xe 3.18.0s
cisco ios_xe 3.18.0sp
cisco ios_xe 3.18.1asp
cisco ios_xe 3.18.1bsp
cisco ios_xe 3.18.1csp
cisco ios_xe 3.18.1s
cisco ios_xe 3.18.1sp
cisco ios_xe 3.18.2s
cisco ios_xe 3.18.3vs



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          "negate": false,
          "operator": "OR"
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      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A vulnerability in the Autonomic Networking Infrastructure (ANI) registrar feature of Cisco IOS Software (possibly 15.2 through 15.6) and Cisco IOS XE Software (possibly 3.7 through 3.18, and 16) could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition. The vulnerability is due to incomplete input validation on certain crafted packets. An attacker could exploit this vulnerability by sending a crafted autonomic network channel discovery packet to a device that has all the following characteristics: (1) running a Cisco IOS Software or Cisco IOS XE Software release that supports the ANI feature; (2) configured as an autonomic registrar; (3) has a whitelist configured. An exploit could allow the attacker to cause the affected device to reload. Note: Autonomic networking should be configured with a whitelist. Do not remove the whitelist as a workaround. Cisco Bug IDs: CSCvc42717."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad en la Autonomic Networking Infrastructure (ANI) registrar caracter\u00edstica de software Cisco IOS (posiblemente 15.2 en versiones hasta 15.6) y software Cisco IOS XE (posiblemente 3.7 en versiones hasta 3.18 y 16) podr\u00eda permitir a un atacante no autenticado y adyacente provocar una denegaci\u00f3n de servicio (DoS). La vulnerabilidad se debe a la validaci\u00f3n incompleta de entrada en ciertos paquetes creados. Un atacante podr\u00eda explotar esta vulnerabilidad mediante el env\u00edo de un paquete de descubrimiento de canal de red auton\u00f3mico a un dispositivo que tiene todas las caracter\u00edsticas siguientes: (1) funcionamiento a Cisco IOS Software o software Cisco IOS XE que admita la funci\u00f3n ANI; (2) configurado como registrador auton\u00f3mico; (3) tiene una lista blanca configurada. Un explotaci\u00f3n podr\u00eda permitir al atacante hacer que el dispositivo afectado se volviera a cargar. Nota: Las redes aut\u00f3nomas deben configurarse con una lista blanca. No elimine la lista blanca como soluci\u00f3n. Cisco Bug IDs: CSCvc42717."
    }
  ],
  "id": "CVE-2017-3849",
  "lastModified": "2025-04-20T01:37:25.860",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "ADJACENT_NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "COMPLETE",
          "baseScore": 6.1,
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "vectorString": "AV:A/AC:L/Au:N/C:N/I:N/A:C",
          "version": "2.0"
        },
        "exploitabilityScore": 6.5,
        "impactScore": 6.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV30": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "ADJACENT_NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 7.4,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "CHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H",
          "version": "3.0"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 4.0,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2017-03-21T16:59:00.227",
  "references": [
    {
      "source": "psirt@cisco.com",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "url": "http://www.securityfocus.com/bid/96972"
    },
    {
      "source": "psirt@cisco.com",
      "url": "http://www.securitytracker.com/id/1038064"
    },
    {
      "source": "psirt@cisco.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170320-ani"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "url": "http://www.securityfocus.com/bid/96972"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.securitytracker.com/id/1038064"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170320-ani"
    }
  ],
  "sourceIdentifier": "psirt@cisco.com",
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-20"
        }
      ],
      "source": "psirt@cisco.com",
      "type": "Secondary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-20"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
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  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.


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