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AUSCERT External Security Bulletin Redistribution
ESB-2018.2622
Security Bulletin: Potential spoofing attack in WebSphere
Application Server (CVE-2018-1695)
5 September 2018
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AusCERT Security Bulletin Summary
---------------------------------
Product: IBM WebSphere Application Server
Publisher: IBM
Operating System: AIX
HP-UX
IBM i
Linux variants
Solaris
Windows
Impact/Access: Provide Misleading Information -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2018-1695
Original Bulletin:
https://www.ibm.com/support/docview.wss?uid=ibm10716523
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Security Bulletin: Potential spoofing attack in WebSphere Application Server
(CVE-2018-1695)
Document information
More support for: WebSphere Application Server
Software version: 7.0, 8.0, 8.5.5
Operating system(s): AIX, HP-UX, IBM i, Linux, Solaris, Windows, z/OS
Software edition: Advanced, Base, Developer, Enterprise, Express, Network
Deployment, Single Server
Reference #: 0716523
Modified date: 04 September 2018
Security Bulletin
Summary
There is a potential spoofing attack in WebSphere Application Server using Form
Login when using Java SE 6. This does not occur when using other versions of
the Java SE.
Vulnerability Details
CVEID: CVE-2018-1695
DESCRIPTION: IBM WebSphere Application Server installations using Form Login
could allow a remote attacker to conducts spoofing attacks.
CVSS Base Score: 7.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/145769
for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)
Affected Products and Versions
This vulnerability affects the following versions and releases of IBM WebSphere
Application Server:
o Version 8.5.5
o Version 8.0
o Version 7.0
Remediation/Fixes
The recommended solution is to apply the interim fix, Fix Pack or PTF
containing APARs PI99402 for each named product as soon as practical.
For WebSphere Application Server traditional and WebSphere Application Server
Hypervisor Edition:
For V8.5.0.0 through 8.5.5.14 when using Java SE 6:
. Upgrade to minimal fix pack levels as required by interim fixes and then
apply Interim Fix PI99402
- --OR--
. Apply Fix Pack 8.5.5.15 or later (targeted availability 1Q2019).
For V8.0.0.0 through 8.0.0.15:
. Upgrade to minimal fix pack levels as required by interim fixes and then
apply Interim Fix PI99402
For V7.0.0.0 through 7.0.0.45:
. Upgrade to minimal fix pack levels as required by interim fixes and then
apply Interim Fix PI99402
WebSphere Application Server V7 and V8 are no longer in full support; IBM
recommends upgrading to a fixed, supported version/release/platform of the
product.
Important Note
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.
Related Information
IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog
Change History
04 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.
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.
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