IBM1F118CDBBDC082BE745C571D148F33452CE2E2CC3F73B5E8FC6E5110471EC08DSecurity Bulletin: Vulnerability in Enterprise Network Operating System (ENOS) affects IBM BladeCenter Switch Products (CVE-2017-3765)
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
0.0004 Low
EPSS
Percentile
5.1%
Summary
IBM BladeCenter Switch Products have addressed the following vulnerability in Enterprise Network Operating System (ENOS).
Vulnerability Details
Summary
IBM BladeCenter Switch Products have addressed the following vulnerability in Enterprise Network Operating System (ENOS).
Vulnerability Details
CVEID: CVE-2017-3765
Description: Lenovo and IBM RackSwitch and BladeCenter products could allow a remote attacker to bypass security restrictions, caused by a flaw in the Enterprise Networking Operating System (ENOS). An attacker could exploit this vulnerability to bypass access restrictions and gain access to the switch management interface.
CVSS Base Score: 9.8
CVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/137464> for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
Affected Products and Versions
| Product | Affected Version |
|---|---|
| IBM BladeCenter Virtual Fabric 10Gb Switch Module | 7.8 |
| IBM BladeCenter 1/10Gb Uplink Ethernet Switch Module | 7.4 |
| IBM BladeCenter Layer 2/7 GbE Switch Module | 21.0 |
| IBM BladeCenter Layer 2/3 GbE Switch Module | 5.3 |
Remediation/Fixes
Firmware fix versions are available on Fix Central:
<http://www.ibm.com/support/fixcentral/>.
| Product | Fix Version |
|---|---|
| IBM BladeCenter Virtual Fabric 10Gb Switch Module (ibm_fw_bcsw_24-10g-7.8.14.0) | 7.8.14.0 |
| IBM BladeCenter 1/10Gb Uplink Ethernet Switch Module (ibm_fw_bcsw_110gup-7.4.18.0) | 7.4.18.0 |
| IBM BladeCenter Layer 2/7 GbE Switch Module (nt_fw_bcsw_l27-21.0.26.0_anyos_noarch) | 21.0.26.0 |
| IBM BladeCenter Layer 2/3 GbE Switch Module (ibm_fw_bcsw_l23-5.3.12.0) | 5.3.12.0 |
Workarounds and Mitigations
None
References
Related Information
IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog
Lenovo Product Security Advisories
ENOS Authentication Bypass in Lenovo and IBM RackSwitch and BladeCenter Products
Acknowledgement
None
Change History
25 January 2018: Original Copy Published
- The CVSS Environment Score is customer environment specific and will ultimately impact the Overall CVSS Score. Customers can evaluate the impact of this vulnerability in their environments by accessing the links in the Reference section of this Security Bulletin.
Disclaimer
According to the Forum of Incident Response and Security Teams (FIRST), the Common Vulnerability Scoring System (CVSS) is an “industry open standard designed to convey vulnerability severity and help to determine urgency and priority of response.” IBM PROVIDES THE CVSS SCORES “AS IS” WITHOUT WARRANTY OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY.
Related
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
0.0004 Low
EPSS
Percentile
5.1%