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AUSCERT External Security Bulletin Redistribution
ESB-2016.1596
Security Bulletin: HTTP Response Splitting in WebSphere
Application Server (CVE-2016-0359)
24 June 2016
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: IBM WebSphere Application Server
Publisher: IBM
Operating System: AIX
HP-UX
IBM i
Linux variants
Solaris
Windows
z/OS
Impact/Access: Provide Misleading Information -- Remote with User Interaction
Resolution: Patch/Upgrade
CVE Names: CVE-2016-0359
Original Bulletin:
http://www.ibm.com/support/docview.wss?uid=swg21982526
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Security Bulletin: HTTP Response Splitting in WebSphere Application Server
(CVE-2016-0359)
Security Bulletin
Document information
More support for:
WebSphere Application Server
General
Software version:
7.0, 8.0, 8.5, 8.5.5
Operating system(s):
AIX, HP-UX, IBM i, Linux, Solaris, Windows, z/OS
Software edition:
Base, Developer, Express, Liberty, Network Deployment
Reference #:
1982526
Modified date:
2016-06-23
Summary
There is a potential HTTP response splitting vulnerability in IBM WebSphere
Application Server.
Vulnerability Details
CVEID:
CVE-2016-0359
DESCRIPTION:
IBM WebSphere Application Server is vulnerable to HTTP response splitting
attacks. A remote attacker could exploit this vulnerability using specially-
crafted URL to cause the server to return a split response, once the URL is
clicked. This would allow the attacker to perform further attacks, such as
Web cache poisoning, cross-site scripting, and possibly obtain sensitive
information.
CVSS Base Score: 6.1
CVSS Temporal Score: See
https://exchange.xforce.ibmcloud.com/vulnerabilities/111929
for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N)
Affected Products and Versions
This vulnerability affects the following versions and releases of IBM
WebSphere Application Server
Version 8.5.5 Full Profile and Liberty
Version 8.5 Full Profile and Liberty
Version 8.0
Version 7.0
Remediation/Fixes
The recommended solution is to apply the interim fix, Fix Pack or PTF
containing APAR PI58918 for each named product as soon as practical.
For WebSphere Application Server:
For V8.5.0.0 through 8.5.5.9 Liberty:
Upgrade to minimal fix pack levels as required by interim fix and then apply
Interim Fix
PI58918
- --OR--
Apply Liberty Fix Pack 16.0.0.2 or later (targeted availability 24 June
2016).
For V8.5.0.0 through 8.5.5.9 Full Profile:
Upgrade to minimal fix pack levels as required by interim fix and then apply
Interim Fix
PI58918
- --OR--
Apply Fix Pack 8.5.5.10 or later (targeted availability 15 August 2016).
For V8.0.0.0 through 8.0.0.12:
Upgrade to a minimal fix pack levels as required by interim fix and then
apply Interim Fix
PI58918
- --OR--
Apply Fix Pack 8.0.0.13 or later (targeted availability 24 October 2016).
For V7.0.0.0 through 7.0.0.41:
Upgrade to minimal fix pack levels as required by interim fix and then apply
Interim Fix
PI58918
- --OR--
Apply Fix Pack 7.0.0.43 or later (targeted availability 2Q2017).
Workarounds and Mitigations
none
Get Notified about Future Security Bulletins
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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.
References
Complete CVSS v3 Guide
On-line Calculator v3
Related information
IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog
Change History
23 June 2016: 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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