Security Bulletin: Denial of Service attack affects IBM Integrated Management Module II (IMM2) for System x, Flex and BladeCenter Systems (CVE-2017-3768)

Summary

IBM Integrated Management Module II (IMM2) for System x, Flex and BladeCenter Systems has addressed the following vulnerability.

Vulnerability Details

Summary

IBM Integrated Management Module II (IMM2) for System x, Flex and BladeCenter Systems has addressed the following vulnerability.

Vulnerability Details

CVEID: CVE-2017-3768

Description: Multiple Lenovo products are vulnerable to a denial of service, caused by a flaw in the Integrated Management Module 2 (IMM2) used in some Lenovo servers. By flooding the IMM2 with a high volume of authentication failures, a remote attacker could exploit this vulnerability using the Common Information Model (CIM) to exhaust all available system memory and cause the IMM2 to reboot.

CVSS Base Score: 5.3
CVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/138357&gt; for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)

Affected Products and Versions

Remediation/Fixes

Firmware fix versions are available on Fix Central:
<http://www.ibm.com/support/fixcentral/&gt;.

Workarounds and Mitigations

None

References

• Complete CVSS v3 Guide
• On-line Calculator v3

Related Information
IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog
Lenovo Product Security Advisories

Acknowledgement

None

Change History
19 March 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.