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Security Bulletin: Security vulnerabilities in Apache Tomcat affect multiple IBM Rational products based on IBM's Jazz technology

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:


For the 5.x releases, upgrade to version 5.0.2 iFix25 or later versions
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 v2 Guide
On-line Calculator v2

Complete CVSS v3 Guide
On-line Calculator v3

Off

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

Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.

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Historical Number

PSIRT 455684

Product Synonym

Rational DOORS Next Generation;Rational Team Concert;Rational Quality Manager;Rational Engineering Lifecycle Manager;Rational Collaborative Lifecycle Management Solution

Document Information

Modified date:
28 April 2021

Initial Publish date:
25 April 2017

UID

swg22015906

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