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AUSCERT External Security Bulletin Redistribution
Security Bulletin: Information disclosure in WebSphere
Application Server Liberty (CVE-2018-1683)
24 September 2018
AusCERT Security Bulletin Summary
Product: IBM WebSphere Application Server Liberty
Operating System: AIX
Impact/Access: Access Privileged Data -- Remote/Unauthenticated
CVE Names: CVE-2018-1683
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Security Bulletin: Information disclosure in WebSphere Application Server
More support for: WebSphere Application Server
Software version: All Versions
Operating system(s): AIX, HP-UX, IBM i, Linux, Solaris, Windows, z/OS
Software edition: Liberty
Reference #: 0716533
Modified date: 21 September 2018
There is a potential information disclosure vulnerability in WebSphere
Application Server Liberty.
DESCRIPTION: IBM WebSphere Application Server Liberty could allow a remote
attacker to obtain sensitive information, caused by the failure to encrypt ORB
CVSS Base Score: 5.9
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/
145455 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N)
Affected Products and Versions
This vulnerability affects the following versions and releases of IBM WebSphere
The recommended solution is to apply the interim fix, Fix Pack or PTF
containing APARs PI99176 for each named product as soon as practical.
For WebSphere Application Server Liberty:
. Upgrade to minimal fix pack levels as required by interim fix and then apply
Interim Fix PI99176
. Apply Liberty Fix Pack 184.108.40.206 or later.
IBM strongly suggests that all System z customers be subscribed to the System z
Security Portal to receive the latest critical System z security and integrity
service. If you are not subscribed, see the instructions on the System z
Security web site. Security and integrity APARs and associated fixes will be
posted to this portal. IBM suggests reviewing the CVSS scores and applying all
security or integrity fixes as soon as possible to minimize any potential risk.
Complete CVSS v3 Guide
On-line Calculator v3
IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog
21 September 2018: 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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