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AUSCERT External Security Bulletin Redistribution
Security Bulletin: Man in the middle vulnerability in
WebSphere Application Server Liberty (CVE-2014-3603)
30 October 2019
AusCERT Security Bulletin Summary
Product: IBM WebSphere Application Server
Operating System: AIX
Impact/Access: Provide Misleading Information -- Remote with User Interaction
CVE Names: CVE-2014-3603
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Security Bulletin: Man in the middle vulnerability in WebSphere Application
Server Liberty (CVE-2014-3603)
More support for:
WebSphere Application Server
AIX; HP-UX; IBM i; Linux; Solaris; Windows; z/OS
29 October 2019
There is a man in the middle vulnerability in WebSphere Application Server
Liberty. This vulnerability has been addressed.
DESCRIPTION: Shibboleth Identity Provider (IdP) and OpenSAML Java could allow a
remote attacker to conduct spoofing attacks, caused by the failure to verify
that the server hostname matches a domain name in the subject''s Common Name
(CN) or subjectAltName field of the X.509 certificate. A man-in-the-middle
attacker could exploit this vulnerability using an arbitrary valid
certificate.to spoof SSL servers.
CVSS Base Score: 6.5
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/
164271 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N)
Affected Products and Versions
These vulnerabilities affect the following versions and releases of IBM
WebSphere Application Server:
The recommended solution is to apply the interim fix, Fix Pack or PTF
containing the APAR for each named product as soon as practical.
For WebSphere Application Server Liberty using wsSecurity-1.1 or samlWeb-2.0
. Upgrade to minimal fix pack levels as required by interim fix and then apply
Interim Fix PH17678
. Apply Fix Pack 22.214.171.124 or later (targeted availability 4Q2019).
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Complete CVSS v3 Guide
On-line Calculator v3
IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog
29 October 2019:original document 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.
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.
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