Security Bulletin: XStream XML information discloure vulnerability affects IBM® Rational® Quality Manager (CVE-2016-3674)

Summary

XStream XML information discloure in XStream libraries shipped with IBM Rational Quality Manager could allow a remote attacker to obtain sensitive information.

Vulnerability Details

CVEID: CVE-2016-3674**
DESCRIPTION:XStream libraries shipped with *IBM Rational Quality Manager could allow a remote attacker to obtain sensitive information, caused by an error when processing XML external entities. By sending specially-crafted XML data, an attacker could exploit this vulnerability to obtain sensitive information.
CVSS Base Score: 5.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/111806 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)

Affected Products and Versions

Rational Collaborative Lifecycle Management 4.0.0 - 6.0.2

Rational Quality Manager 6.0 - 6.0.2
Rational Quality Manager 5.0 - 5.0.2
Rational Quality Manager 4.0 - 4.0.7
Rational Quality Manager 3.0.1.6

Remediation/Fixes

Note: In the instructions below, replace Y.Y.Y with the product version you have deployed. For example, replace Y.Y.Y with 6.0.2 if that is the version deployed.
For jars with X.X.XXX.vXXX in the instructions below, the X’s will be dependent on your exact version. Use the version that is deployed.

1. Get the xStream library 1.4.9 version from <http://x-stream.github.io/download.html&gt;
2. Go to the rqm-update-site\plugins folder in your CLM installation path:
C:&lt;installation directory>\server\conf\qm\sites\rqm-update-site
3. Locate the jar file: com.ibm.rational.test.lm.service_X.X.XXX.vXXX.jar

a. Make a backup
b. Open the jar and from inside
c. Delete the files:** **xstream-Y.Y.Y.jar and xstream-SNAPSHOT.jar
d. Copy the new xStream library the same place (xstream-1.4.9.jar)
e. Edit the build.properties file. i. Delete the following lines: **xstream-Y.Y.Y.jar,****and ***xstream-SNAPSHOT.jar,*
ii. Add the following line in the same place: *xstream-1.4.9.jar,* f. Edit the META-INF\MANIFEST.MF file. i. Delete the following lines:******xstream-Y.Y.Y.jar,****and **xstream-SNAPSHOT.jar,
ii. Add the following line in the same place: xstream-1.4.9.jar, 4. Locate the jar file: com.ibm.rqm.process.deployment_X.X.XXX.vXXX.jar a. Make a backup
b. Open the jar and from inside
c. Delete the files: lib\xstream-Y.Y.Y.jar
d. Copy the new xStream library the same place (xstream-1.4.9.jar)
e. Edit the build.properties file. i. Delete the following lines: *lib/xstream-Y.Y.Y.jar,*
ii. Add the following line in the same place: *lib/xstream-1.4.9.jar,* f. Edit the META-INF\MANIFEST.MF file. i. Delete the following lines:lib/xstream-Y.Y.Y.jar,
ii. Add the following line in the same place: lib/xstream-1.4.9.jar, 5. Restart the server.

Workarounds and Mitigations

None