Security Bulletin: Rational Test Control Panel component in Rational Test Virtualization Server and Rational Test Workbench affected by Spring vulnerability (CVE-2018-15756)

Summary

The Spring framework is vulnerable to a security issue affecting the Rational Test Control Panel component in Rational Test Virtualization Server and Rational Test Workbench.

Vulnerability Details

CVEID: CVE-2018-15756 DESCRIPTION: Pivotal Spring Framework is vulnerable to a denial of service, caused by improper handling of range request by the ResourceHttpRequestHandler. By adding a range header with a high number of ranges, a remote attacker could exploit this vulnerability to cause a denial of service condition.
CVSS Base Score: 7.5
CVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/151641&gt; 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:N/A:H)

Affected Products and Versions

Rational Test Control Panel component in Rational Test Virtualization Server and Rational Test Workbench versions:

• 9.2.1
• 9.2.1.1

Versions prior to these are unaffected.

Remediation/Fixes

The fix for the CVE mentioned above has been incorporated into the release of Apache Tomcat. You should upgrade your installation by following the instructions below:

1 .Verify the version of Rational Test Control Panel that you have

2. Download the fix for your product from Fix Central, this can be obtained for either Rational Test Workbench or Rational Test Virtualization Server by selecting the product and relevant version before browsing for fixes. Select and download the cve201815756-ifix for your selected product.

3. Stop the server.

4. Navigate to the existing RTCP installation
The default installation locations for these files are:

• Windows: C:\Program Files\IBM\RationalTestControlPanel\
• AIX, Linux, Solaris: /opt/IBM/RationalTestControlPanel/

5. Copy the contents of the “usr” directory as a backup

6. Unzip the download fix into the RationalTestControlPanel directory, overwriting the existing files.
7. Start the server.

Notes:

• Full details of the installation steps are included in the readme that ships with the fix
• When removing an installation that has had the security fix applied, not all the files will be removed by IBM Installation Manager, and some files will have to be removed manually.

Workarounds and Mitigations

None