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AUSCERT External Security Bulletin Redistribution
ESB-2018.1300
Security vulnerabilities in Apache Tomcat affect multiple
IBM Rational products based on IBM's Jazz technology
27 April 2018
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AusCERT Security Bulletin Summary
---------------------------------
Product: IBM Rational Collaborative Lifecycle Management
IBM Rational Quality Manager
IBM Rational Team Concert
IBM Rational DOORS Next Generation
IBM Rational Engineering Lifecycle Manager
IBM Rational Rhapsody Design Manager
IBM Rational Software Architect Design Manager
Publisher: IBM
Operating System: Linux variants
AIX
Solaris
Windows
Apple iOS
Impact/Access: Access Confidential Data -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2018-1323 CVE-2018-1305 CVE-2018-1304
Reference: ESB-2018.0652
ESB-2018.0542
Original Bulletin:
http://www.ibm.com/support/docview.wss?uid=swg22015906
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Security Bulletin: Security vulnerabilities in Apache Tomcat affect multiple
IBM Rational products based on IBM's Jazz technology
Document information
More support for: Rational Collaborative Lifecycle Management
General Information
Software version: 5.0, 5.0.1, 5.0.2, 6.0, 6.0.1, 6.0.2, 6.0.3, 6.0.4, 6.0.5
Operating system(s): AIX, Linux, Solaris, Windows, iOS
Reference #: 2015906
Modified date: 25 April 2018
Security Bulletin
Summary
The Jazz Team Server is shipped with/or supports versions of the Apache Tomcat
web server which contains a security vulnerabilities that could potentially
impact the following IBM Rational products deployed on Apache Tomcat:
Collaborative Lifecycle Management (CLM), Rational DOORS Next Generation
(RDNG), Rational Engineering Lifecycle Manager (RELM), Rational Team Concert
(RTC), Rational Quality Manager (RQM), Rational Rhapsody Design Manager
(Rhapsody DM), and Rational Software Architect Design Manager (RSA DM).
Vulnerability Details
CVEID: CVE-2018-1305
DESCRIPTION: Apache Tomcat could allow a remote attacker to bypass security
restrictions, caused by the failure to properly enforce security constraints
that are defined by annotations of Servlets in certain cases. An attacker could
exploit this vulnerability to bypass security constraints to access restricted
resources.
CVSS Base Score: 7.5
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/
139475 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N)
CVEID: CVE-2018-1323
DESCRIPTION: Apache Tomcat JK ISAPI Connector could allow a remote attacker to
obtain sensitive information, caused by the improper handling of HTTP request
paths in jk_isapi_plugin.c. An attacker could exploit this vulnerability using
the reverse proxy to expose application resources.
CVSS Base Score: 7.5
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/
140213 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N)
CVEID: CVE-2018-1304
DESCRIPTION: Apache Tomcat could allow a remote attacker to bypass security
restrictions, caused by the failure to properly enforce security constraint
definitions that contain a URL pattern of "" (the empty string) that exactly
maps to the context root. An attacker could exploit this vulnerability to
bypass security constraints to access restricted resources.
CVSS Base Score: 7.5
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/
139476 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N)
Affected Products and Versions
Rational Collaborative Lifecycle Management 5.0 - 6.0.5
Rational Quality Manager 5.0 - 5.0.2
Rational Quality Manager 6.0 - 6.0.5
Rational Team Concert 5.0 - 5.0.2
Rational Team Concert 6.0 - 6.0.5
Rational DOORS Next Generation 5.0 - 5.0.2
Rational DOORS Next Generation 6.0 - 6.0.5
Rational Engineering Lifecycle Manager 5.0 - 5.0.2
Rational Engineering Lifecycle Manager 6.0 - 6.0.5
Rational Rhapsody Design Manager 5.0 - 5.0.2
Rational Rhapsody Design Manager 6.0 - 6.0.5
Rational Software Architect Design Manager 5.0 - 5.0.2
Rational Software Architect Design Manager 6.0 - 6.0.1
Remediation/Fixes
Step 1.
Apply the latest ifix to your installed product version:
For the 6.0 - 6.0.5 releases:
Upgrade to version 6.0.5 iFix004 or later versions
? Rational Collaborative Lifecycle Management 6.0.5 iFix004
? Rational Team Concert 6.0.5 iFix004
? Rational Quality Manager 6.0.5 iFix004
? Rational DOORS Next Generation 6.0.5 iFix004
? Rational Software Architect Design Manager: Upgrade to version
6.0.4 and install server from CLM 6.0.5 iFix004
? Rational Rhapsody Design Manager: Upgrade to version 6.0.4 and
install server from CLM 6.0.5 iFix004
? Rational Engineering Lifecycle Manager: Upgrade to version
6.0.4 and install server from CLM 6.0.5 iFix004
Or upgrade to version 6.0.2 iFix16 or later versions
? Rational Collaborative Lifecycle Management 6.0.2 iFix16
? Rational Team Concert 6.0.2 iFix16
? Rational Quality Manager 6.0.2 iFix16
? Rational DOORS Next Generation 6.0.2 iFix16
? Rational Software Architect Design Manager: Upgrade to version
6.0.2 and install server from CLM 6.0.2 iFix16
? Rational Rhapsody Design Manager: Upgrade to version 6.0.2 and
install server from CLM 6.0.2 iFix16
? Rational Engineering Lifecycle Manager: Upgrade to version
6.0.2 and install server from CLM 6.0.2 iFix16
For the 5.x releases, upgrade to version 5.0.2 iFix25 or later versions
o Rational Collaborative Lifecycle Management 5.0.2 iFix25
o Rational Team Concert 5.0.2 iFix25
o Rational Quality Manager 5.0.2 iFix25
o Rational DOORS Next Generation 5.0.2 iFix25
o Rational Software Architect Design Manager: Upgrade to version 5.0.2 and
install server from CLM 5.0.2 iFix25
o Rational Rhapsody Design Manager: Upgrade to version 5.0.2 and install
server from CLM 5.0.2 iFix25
o Rational Engineering Lifecycle Manager: Upgrade to version 5.0.2 and
install server from CLM 5.0.2 iFix25
Step 2:
Upgrade your Apache Tomcat to version 7.0.85 or later. Perform How to update
the Apache Tomcat server for IBM Rational products based on versions 3.0.1.6,
4.0.7 or later of IBM's Jazz technology to apply the remediation.
For any prior versions of the products listed above, IBM recommends upgrading
to a fixed, supported version/release/platform of the product.
If the iFix is not found in the Fix Portal please contact IBM Support.
Workarounds and Mitigations
None
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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
25 April 2017: Initial Publication
*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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