Security Bulletin: Rational DOORS Web Access is affected by Apache Tomcat vulnerabilities

Summary

Some versions of Rational DOORS Web Access are shipped with an Apache Tomcat application server that contains security vulnerabilities. Apache Tomcat has been updated to incorporate fixes for these vulnerabilities.

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-2018-1304
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 DOORS Web Access: 9.5.1 - 9.5.1.9
Rational DOORS Web Access: 9.5.2 - 9.5.2.8
Rational DOORS Web Access: 9.6.0 - 9.6.0.7
Rational DOORS Web Access: 9.6.1 - 9.6.1.10

Remediation/Fixes

Upgrade to the version of Apache Tomcat shown in the table below. You can upgrade Apache Tomcat after installing Rational DOORS Web Access.

The following table presents Rational DOORS Web Access versions and the released versions of Apache Tomcat.

Procedure:

1. Download the required version of Apache Tomcat or later core zip file from the Apache or Tomcat 7 Archive download site. For example:
   apache-tomcat-7.0.85-windows-x64.zip
   apache-tomcat-7.0.85-windows-x86.zip
   apache-tomcat-7.0.85.tar.gz

2. Go to the Rational DOORS Web Access installation directory.
   For example:
   C:\Program Files\IBM\Rational\DOORS Web Access\9.version

3. Rename the server directory toserver.orig.

4. Extract the downloaded Apache Tomcat core compressed file to ./server in the Rational DOORS Web Access installation directory.

5. Delete the contents of the ./server/webapps folder

6. Copy the following jar files from your ./server.orig/lib directory to**./server/lib
   **commons-logging-1.1.x.jar
   dwa-catalina.jar
   log4j-1.2.x.jar
   log4j.properties

7. Remove the following jar files from the ./server/lib directory
   tomcat7-websocket.jar
   websocket-api.jar

8. Copy your ./server.orig/festival directory to**./server/festival**.

9. Copy the ./server.orig/conf/server.xml file to**./server/conf/server.xml**.

10. Copy ./server.orig/webapps/*.war to**./server/webapps**.

11. Optional: Copy any customized files from the**./server.origdirectory to./server**.

12. UNIX systems only: Run the**./configure-festival.sh** command, as described in the help topic Installing the web access server and the web access broker on Linux or Solaris systems.

Workarounds and Mitigations

None