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AUSCERT External Security Bulletin Redistribution
Security Bulletin: Information disclosure in WebSphere
Application Server Liberty (CVE-2018-1755)
23 August 2018
AusCERT Security Bulletin Summary
Product: IBM WebSphere Application Server
Operating System: Windows
UNIX variants (UNIX, Linux, OSX)
Impact/Access: Access Confidential Data -- Remote/Unauthenticated
CVE Names: CVE-2018-1755
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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): Platform Independent
Software edition: Liberty
Reference #: 0728689
Modified date: 22 August 2018
There is a potential information disclosure vulnerability in WebSphere
Application Server Liberty.
DESCRIPTION: WebSphere Application Server Liberty could allow a remote
attacker to obtain sensitive information, caused by incorrect transport being
used when Liberty is configured to use Java Authentication SPI for Containers
(JASPIC). This can happen when the Application Server is configured to permit
access on non-secure (http) port and using JASPIC or JSR375 authentication.
CVSS Base Score: 5.9
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/
148597 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 Application Server:
The recommended solution is to apply the interim fix, Fix Pack or PTF
containing APARs PH01295 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 PH01295
. Apply Liberty Fix Pack 18.104.22.168 or later (targeted availability 3Q2018).
22 August 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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