It is possible to inject malicious code while entering user name on HMC Logon screen. This code would get activated when failed login message is displayed in HMC Event Log GUI.
Resolving The Problem
CVSS Base Score: 4.3
CVSS Temporal Score: See http://xforce.iss.net/xforce/xfdb/91163 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:M/Au:N/C:N/I:P/A:N)
AFFECTED PRODUCTS AND VERSIONS:
Power HMC Version 7 Release 7.3.5
Power HMC Version 7 Release 7.1.0 to 7.8.0
|Power HMC||Version 7 Release 7.7.0 Service Pack 3||MB03778||http://download4.boulder.ibm.com/sar/CMA/HMA/04c01/0/MH01409.readme.html|
|Power HMC||Version 7 Release 7.8.0 Service Pack 1||MB03765||https://www-933.ibm.com/support/fixcentral/|
|Power HMC||Version 7 Release 7.1.0 to 7.6.0||N/A||Please contact IBM Support if you need a fix.|
|Power HMC||Version 7 Release 7.3.5||N/A||Please contact IBM Support if you need a fix.|
Workaround(s) & Mitigation(s):
No workarounds are necessary if you don’t use View HMC Events GUI.
· Complete CVSS Guide
· On-line Calculator V2
IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog
The vulnerability was reported to IBM by Arnold Grossmann, Bundesamt für Informatik und Telekommunikation.
27 Feb 2014: 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 Flash.
Note: 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.
22 September 2021