FKIE_CVE-2017-3765

Vulnerability from fkie_nvd - Published: 2018-01-10 18:29 - Updated: 2024-11-21 03:26
Severity ?
7.0 (High) - CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Summary
In Enterprise Networking Operating System (ENOS) in Lenovo and IBM RackSwitch and BladeCenter products, an authentication bypass known as "HP Backdoor" was discovered during a Lenovo security audit in the serial console, Telnet, SSH, and Web interfaces. This bypass mechanism can be accessed when performing local authentication under specific circumstances. If exploited, admin-level access to the switch is granted.
References
psirt@lenovo.comhttp://www.securitytracker.com/id/1040296Third Party Advisory
psirt@lenovo.comhttps://support.lenovo.com/us/en/product_security/LEN-16095Mitigation, Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.securitytracker.com/id/1040296Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://support.lenovo.com/us/en/product_security/LEN-16095Mitigation, Patch, Vendor Advisory
Impacted products
Vendor Product Version
lenovo enterprise_network_operating_system *
lenovo flex_system_fabric_cn4093_10gb_converged_scalable_switch -
lenovo flex_system_fabric_en4093r_10gb_scalable_switch -
lenovo flex_system_fabric_si4093_10gb_system_interconnect_module -
lenovo flex_system_si4091_system_interconnect_module -
lenovo rackswitch_g7028 -
lenovo rackswitch_g7052 -
lenovo rackswitch_g8052 -
lenovo rackswitch_g8124e -
lenovo rackswitch_g8264 -
lenovo rackswitch_g8264cs -
lenovo rackswitch_g8272 -
lenovo rackswitch_g8296 -
lenovo rackswitch_g8332 -
lenovo enterprise_network_operating_system *
ibm 1g_l2-7_slb_switch_for_bladecenter -
ibm bladecenter_1\ 10g_uplink_ethernet_switch_module
ibm bladecenter_layer_2\/3_copper_ethernet_switch_module -
ibm bladecenter_virtual_fabric_10gb_switch_module -
ibm flex_system_en2092_1gb_ethernet_scalable_switch -
ibm flex_system_fabric_cn4093_10gb_converged_scalable_switch -
ibm flex_system_fabric_en4093\/en4093r_10gb_scalable_switch -
ibm flex_system_fabric_si4093_10gb_system_interconnect_module -
ibm rackswitch_g8052 -
ibm rackswitch_g8124 -
ibm rackswitch_g8124e -
ibm rackswitch_g8264 -
ibm rackswitch_g8264cs -
ibm rackswitch_g8264t -
ibm rackswitch_g8316 -
ibm rackswitch_g8332 -
To clipboard 

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      "value": "In Enterprise Networking Operating System (ENOS) in Lenovo and IBM RackSwitch and BladeCenter products, an authentication bypass known as \"HP Backdoor\" was discovered during a Lenovo security audit in the serial console, Telnet, SSH, and Web interfaces. This bypass mechanism can be accessed when performing local authentication under specific circumstances. If exploited, admin-level access to the switch is granted."
    },
    {
      "lang": "es",
      "value": "En Enterprise Networking Operating System (ENOS) en productos Lenovo, IBM RackSwitch y BladeCenter, se descubri\u00f3 una omisi\u00f3n de autenticaci\u00f3n conocida como \"HP Backdoor\" durante una auditar\u00eda de seguridad de Lenovo en las interfaces de la consola de serie, Telnet, SSH y Web. Se puede acceder al mecanismo de omisi\u00f3n cuando se realiza una autenticaci\u00f3n local bajo ciertas circunstancias. Si se explota, se concede el acceso a nivel de administrador al switch."
    }
  ],
  "id": "CVE-2017-3765",
  "lastModified": "2024-11-21T03:26:05.847",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
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          "accessVector": "LOCAL",
          "authentication": "NONE",
          "availabilityImpact": "COMPLETE",
          "baseScore": 6.2,
          "confidentialityImpact": "COMPLETE",
          "integrityImpact": "COMPLETE",
          "vectorString": "AV:L/AC:H/Au:N/C:C/I:C/A:C",
          "version": "2.0"
        },
        "exploitabilityScore": 1.9,
        "impactScore": 10.0,
        "obtainAllPrivilege": true,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
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        "type": "Primary",
        "userInteractionRequired": false
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          "baseScore": 7.0,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
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          "scope": "UNCHANGED",
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          "vectorString": "CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.0"
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        "exploitabilityScore": 1.0,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
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  "published": "2018-01-10T18:29:01.383",
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    {
      "source": "psirt@lenovo.com",
      "tags": [
        "Third Party Advisory"
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      "url": "http://www.securitytracker.com/id/1040296"
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      "source": "psirt@lenovo.com",
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  "sourceIdentifier": "psirt@lenovo.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-287"
        }
      ],
      "source": "nvd@nist.gov",
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}


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Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.