Security Bulletin: Security vulnerabilities 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 contain 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-2016-0762**
DESCRIPTION:** Apache Tomcat could allow a remote attacker to obtain sensitive information, caused by the failure to process the user supplied password if the specified user name does not exist by the Realm implementation. An attacker could exploit this vulnerability to conduct a timing attack and determine valid usernames on the system.
CVSS Base Score: 5.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/118407 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:N/A:N)

CVEID: CVE-2016-6797**
DESCRIPTION:** Apache Tomcat could allow a local attacker to gain unauthorized access to the system, caused by an error in the ResourceLinkFactory. An attacker could exploit this vulnerability to gain access to arbitrary global JNDI resources.
CVSS Base Score: 4
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/118403 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N)

Affected Products and Versions

Rational Collaborative Lifecycle Management 3.0.1 - 6.0.3

Rational Quality Manager 4.0 - 4.0.7
Rational Quality Manager 5.0 - 5.0.2
Rational Quality Manager 6.0 - 6.0.3

Rational Team Concert 4.0 - 4.0.7
Rational Team Concert 5.0 - 5.0.2
Rational Team Concert 6.0 - 6.0.3

Rational DOORS Next Generation 4.0 - 4.0.7
Rational DOORS Next Generation 5.0 - 5.0.2
Rational DOORS Next Generation 6.0 - 6.0.3

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 - 6.0.3

Rational Rhapsody Design Manager 4.0 - 4.0.7
Rational Rhapsody Design Manager 5.0 - 5.0.2
Rational Rhapsody Design Manager 6.0 - 6.0.3

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

In order to get other security updates, upgrade your products to version 4.0.7 or5.0.2or6.0.2 or 6.0.3, apply the latest ifix, and then perform the following upgrades:

Note: The fixes are in Apache Tomcat version 7.0.72 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.

Workarounds and Mitigations

None