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[email protected]CVE-2017-3765

HistoryJan 10, 2018 - 6:29 p.m.

CVE-2017-3765

2018-01-1018:29:01

CWE-287

[email protected]

web.nvd.nist.gov

enos

authentication bypass

lenovo

ibm

rackswitch

bladecenter

hp backdoor

admin-level access

6.2 Medium

CVSS2

Attack Vector

LOCAL

Attack Complexity

HIGH

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:L/AC:H/Au:N/C:C/I:C/A:C

7 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

6.7 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

5.1%

JSON

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.

Affected configurations

NVD

Node

lenovoenterprise_network_operating_systemRange<8.4.6.0

AND

lenovoflex_system_fabric_cn4093_10gb_converged_scalable_switchMatch-

lenovoflex_system_fabric_en4093r_10gb_scalable_switchMatch-

lenovoflex_system_fabric_si4093_10gb_system_interconnect_moduleMatch-

lenovoflex_system_si4091_system_interconnect_moduleMatch-

lenovorackswitch_g7028Match-

lenovorackswitch_g7052Match-

lenovorackswitch_g8052Match-

lenovorackswitch_g8124eMatch-

lenovorackswitch_g8264Match-

lenovorackswitch_g8264csMatch-

lenovorackswitch_g8272Match-

lenovorackswitch_g8296Match-

lenovorackswitch_g8332Match-

Node

lenovoenterprise_network_operating_systemRange<8.4.6.0

AND

ibm1g_l2-7_slb_switch_for_bladecenterMatch-

ibmbladecenter_1\Match10g_uplink_ethernet_switch_module-

ibmbladecenter_layer_2\/3_copper_ethernet_switch_moduleMatch-

ibmbladecenter_virtual_fabric_10gb_switch_moduleMatch-

ibmflex_system_en2092_1gb_ethernet_scalable_switchMatch-

ibmflex_system_fabric_cn4093_10gb_converged_scalable_switchMatch-

ibmflex_system_fabric_en4093\/en4093r_10gb_scalable_switchMatch-

ibmflex_system_fabric_si4093_10gb_system_interconnect_moduleMatch-

ibmrackswitch_g8052Match-

ibmrackswitch_g8124Match-

ibmrackswitch_g8124eMatch-

ibmrackswitch_g8264Match-

ibmrackswitch_g8264csMatch-

ibmrackswitch_g8264tMatch-

ibmrackswitch_g8316Match-

ibmrackswitch_g8332Match-

CPENameOperatorVersion
lenovo:enterprise_network_operating_systemlenovo enterprise network operating systemlt8.4.6.0

CPE	Name	Operator	Version
lenovo:enterprise_network_operating_system	lenovo enterprise network operating system	lt	8.4.6.0

CNA Affected

[
  {
    "product": "Enterprise Network Operating System affecting Lenovo and IBM RackSwitch and BladeCenter Products",
    "vendor": "Lenovo Group Ltd.",
    "versions": [
      {
        "status": "affected",
        "version": "Earlier than"
      }
    ]
  }
]

References

www.securitytracker.com/id/1040296

support.lenovo.com/us/en/product_security/LEN-16095

6.2 Medium

CVSS2

Attack Vector

LOCAL

Attack Complexity

HIGH

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:L/AC:H/Au:N/C:C/I:C/A:C

7 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

6.7 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

5.1%

JSON

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