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AUSCERT External Security Bulletin Redistribution
ESB-2019.0289
A security vulnerability has been identified in IBM WebSphere Application
Server shipped with IBM Rational ClearCase (CVE-2018-1643)
1 February 2019
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AusCERT Security Bulletin Summary
---------------------------------
Product: IBM Rational ClearCase
Publisher: IBM
Operating System: AIX
HP-UX
Linux variants
Solaris
Windows
Impact/Access: Cross-site Scripting -- Remote with User Interaction
Resolution: Patch/Upgrade
CVE Names: CVE-2018-1643
Reference: ESB-2019.0287
ESB-2019.0239
Original Bulletin:
http://www.ibm.com/support/docview.wss?uid=ibm10869322
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Security Bulletin: A security vulnerability has been identified in IBM
WebSphere Application Server shipped with IBM Rational ClearCase
(CVE-2018-1643)
Security Bulletin
Document information
More support for: Rational ClearCase
Component: CCRC WAN Server
Software version: All Versions
Operating system(s): AIX, HP-UX, Linux, Solaris, Windows
Reference #: 0869322
Modified date: 30 January 2019
Summary
IBM WebSphere Application Server (WAS) is shipped as a component of IBM
Rational ClearCase. Information about a security vulnerability affecting WAS
has been published in a security bulletin.
Vulnerability Details
Refer to the security bulletin(s) listed in the Remediation/Fixes section.
Affected Products and Versions
IBM Rational ClearCase, ClearCase Remote Client (CCRC) WAN server component.
Versions 8.0.0.x, 8.0.1.x, 9.0.0.x, 9.0.1.x:
This vulnerability only applies to the CCRC WAN server component, and only
for certain levels of WebSphere Application Server.
Remediation/Fixes
Refer to the following security bulletins for vulnerability details and
information about fixes addressed by IBM WebSphere Application Server (WAS)
which is shipped with IBM Rational ClearCase.
NOTE: There is a potential cross-site scripting vulnerability with the
Installation Verification Tool (IVT) of WAS. On a standalone application
server profile, the "ivtApp" application is used by the IVT. The application
is also available as an installable Enterprise Application aRchive (EAR) file
which is located at <WAS_HOME>/installableApps/ivtApp.ear.
The WAS profile/server-configuration must be manually updated by an
administrator. Either installing a WebSphere patch, uninstalling "ivtApp", or
updating "ivtApp" as specified in the corresponding WAS Security Bulletin
(below) is necessary. The CCRC WAN server does not use "ivtApp" so it can be
uninstalled from any existing profile with CCRC WAN server in it.
Note that if the WAS profile was created in a WAS version prior to 8.5.5.14, you
will observe the security vulnerability even after installing the fix or
updating WAS to 8.5.5.14. You will need to additionally either uninstall
"ivtApp" or update "ivtApp".
+---------------------------+---------------------------+-----------------------+
|Principal Product and |Affected Supporting Product|Affected Supporting |
|Version(s) |and Version |Product Security |
| | |Bulletin |
+---------------------------+---------------------------+-----------------------+
|IBM Rational ClearCase, |IBM WebSphere Application |Security Bulletin: |
|versions 8.0.0.x, 8.0.1.x, |Server version 8.0, 8.5, |Information Disclosure |
|9.0.0.x, 9.0.1.x |9.0. |in WebSphere |
| | |Application Server |
| | |(CVE-2018-1643) |
+---------------------------+---------------------------+-----------------------+
+-------------------+---------------------------------------------------------+
|ClearCase Versions | Applying the fix |
+-------------------+---------------------------------------------------------+
|8.0.0.x, 8.0.1.x, | 1. Determine the WAS version used by your CCRC WAN |
|9.0.0.x, 9.0.1.x | server. Navigate to the CCRC profile directory |
| | (either the profile you specified when installing |
| | ClearCase, or <ccase-home>/common/ccrcprofile), then |
| | execute the script: bin/versionInfo.sh (UNIX) or bin\|
| | versionInfo.bat (Windows). The output includes a |
| | section "IBM WebSphere Application Server". Make note|
| | of the version listed in this section. Check your |
| | installed version of IBM WebSphere Application Server|
| | against this bulletin's list of vulnerable versions. |
| | 2. Identify the latest available fix (per the bulletin |
| | listed above) for the version of WAS used for CCRC |
| | WAN server. |
| | 3. Apply the appropriate WebSphere Application Server |
| | fix directly to your CCRC WAN server host. No |
| | ClearCase-specific steps are necessary. |
+-------------------+---------------------------------------------------------+
For 8.0.x and earlier releases, IBM recommends upgrading to a fixed, supported
version/release/platform of the product.
Workarounds and Mitigations
None.
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.
Reference
Complete CVSS v3 Guide On-line Calculator v3
Related Information
IBM Secure Engineering Web Portal IBM Product Security Incident Response Blog
Change History
* 30 January 2019: Original version 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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