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

Summary

The Jazz Team Server is shipped with/or supports versions of the Apache Tomcat web server which contains a security vulnerability 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-2017-7674**
DESCRIPTION:** Apache Tomcat could provide weaker than expected security, caused by the failure to add an HTTP Vary header indicating that the response varies depending on Origin by the CORS Filter. A remote attacker could exploit this vulnerability to conduct client and server side cache poisoning.
CVSS Base Score: 7.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/130248 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

Rational Collaborative Lifecycle Management 4.0 - 6.0.4

Rational Quality Manager 4.0 - 4.0.7
Rational Quality Manager 5.0 - 5.0.2
Rational Quality Manager 6.0 - 6.0.4

Rational Team Concert 4.0 - 4.0.7
Rational Team Concert 5.0 - 5.0.2
Rational Team Concert 6.0 - 6.0.4

Rational DOORS Next Generation 4.0.1 - 4.0.7
Rational DOORS Next Generation 5.0 - 5.0.2
Rational DOORS Next Generation 6.0 - 6.0.4

Rational Engineering Lifecycle Manager 4.0.3 - 4.0.7
Rational Engineering Lifecycle Manager 5.0 - 5.0.2
Rational Engineering Lifecycle Manager 6.0 - 6.0.4

Rational Rhapsody Design Manager 4.0 - 4.0.7
Rational Rhapsody Design Manager 5.0 - 5.0.2
Rational Rhapsody Design Manager 6.0 - 6.0.4

Rational Software Architect Design Manager 4.0 - 4.0.7
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 - 6.0.4 releases:

Upgrade to version 6.0.4 iFix003 or later
* Rational Collaborative Lifecycle Management 6.0.4 iFix003
* Rational Team Concert 6.0.4 iFix003
* Rational Quality Manager 6.0.4 iFix003
* Rational DOORS Next Generation 6.0.4 iFix003
* Rational Software Architect Design Manager:_ Upgrade to version 6.0.4 and install server from CLM 6.0.4 iFix003
* Rational Rhapsody Design Manager: Upgrade to version 6.0.4 and install server from CLM 6.0.4 iFix003
* Rational Engineering Lifecycle Manager: Upgrade to version 6.0.4 and install server from CLM 6.0.4 iFix003
Or upgrade to version 6.0.2 iFix13 or later
* Rational Collaborative Lifecycle Management 6.0.2 iFix13
* Rational Team Concert 6.0.2 iFix13
* Rational Quality Manager 6.0.2 iFix13
* Rational DOORS Next Generation 6.0.2 iFix13
* Rational Software Architect Design Manager: Upgrade to version 6.0.2 and install server from CLM 6.0.2 iFix13
* Rational Rhapsody Design Manager: Upgrade to version 6.0.2 and install server from CLM 6.0.2 iFix13
* Rational Engineering Lifecycle Manager: _Upgrade to version 6.0.2 and install server from CLM 6.0.2 iFix13

• For the 5.x releases, upgrade to version 5.0.2 iFix22 or later

• Rational Collaborative Lifecycle Management 5.0.2 iFix22

• Rational Team Concert 5.0.2 iFix22

• Rational Quality Manager 5.0.2 iFix22

• Rational DOORS Next Generation 5.0.2 iFix22

• Rational Software Architect Design Manager:_ _Upgrade to version 5.0.2 and install server from CLM 5.0.2 iFix22

• Rational Rhapsody Design Manager:_ _Upgrade to version 5.0.2 and install server from CLM 5.0.2 iFix22

• Rational Engineering Lifecycle Manager:_ _Upgrade to version 5.0.2 and install server from CLM 5.0.2 iFix22
  _
  _For the 4.x releases, upgrade to version 4.0.7 iFix14 or later

• Rational Collaborative Lifecycle Management 4.0.7 iFix14

• Rational Team Concert 4.0.7 iFix14

• Rational Quality Manager 4.0.7 iFix14

• Rational DOORS Next Generation/Requirements Composer 4.0.7 iFix14

• Rational Software Architect Design Manager: _ _Upgrade to version 4.0.7 and install server from CLM 4.0.7 iFix14

• Rational Rhapsody Design Manager: Upgrade to version 4.0.7 and install server from CLM 4.0.7 iFix14

• Rational Engineering Lifecycle Manager: Upgrade to version 4.0.7 and install server from CLM 4.0.7 iFix14

Step 2:
Upgrade your Apache Tomcat to version 7.0.79 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