Security Bulletin: Db2 Query Management Facility is vulnerable to an unspecified vulnerability in Java SE - CVE-2020-2773

Summary

An unspecified vulnerability in Java SE related to the Java SE Security component could allow an unauthenticated attacker to cause a denial of service resulting in a low availability impact using unknown attack vectors.

Vulnerability Details

CVEID:CVE-2020-2773
**DESCRIPTION:**An unspecified vulnerability in Java SE related to the Java SE Security component could allow an unauthenticated attacker to cause a denial of service resulting in a low availability impact using unknown attack vectors.
CVSS Base score: 3.7
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/179673 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L)

Affected Products and Versions

Remediation/Fixes

Please see “Workarounds and Mitigations”

Workarounds and Mitigations

Use the following instructions to download the latest JRE version from the IBM Java download portal and replace it with the JRE you are currently invoking.

Steps to update Java - QMF for Workstation:

1. Download JRE 8.0.6.5 version from IBM Java download portal.
2. Close QMF for workstation , if any instance is running.
3. Copy 8.0.6.5 JRE version to C:\Program Files\IBM\Db2 Query Management Facility\QMF for Workstation\jre.
4. Start application

Steps to update Java - QMF Vision:

1. Go to: <https://adoptopenjdk.net/releases.html&gt;

2. Download Open JDK 8(LTS) and extract the files to a temporary location.

3. Stop the following Windows services:

- IBM QMF Vision Indexing Service (this will also stop IBM QMF Vision Web Service due to dependencies)

- QMFServerLite

4. Delete

C:\Program Files\IBM\DB2 Query Management Facility\QMF Vision\elasticsearch\java\jre1.8.0_131.

Note: The folder name would be “jre” in case security bulletin reference # 0880785 is already applied.

5. Copy content of downloaded jre from the temporary location (step # 2) to

C:\Program Files\IBM\DB2 Query Management Facility\QMF Vision\elasticsearch\java.

6. Rename folder jre1.8.0_131 to jre.

Note: If the folder in the java folder is already renamed to “jre” via the security bulletin reference #

0880785, then steps 7 through 12 are not required. You can directly go to step 13 and start the relevant

services,

Security bulletin # 0880785 link - <https://www-01.ibm.com/support/docview.wss?uid=ibm10880785&gt;

7. Under C:\Program Files\IBM\DB2 Query Management Facility\QMF Vision, edit the following 6 files:

elasticsearch/bin/install.bat

elasticsearch/bin/start.bat

elasticsearch/bin/stop.bat

elasticsearch/bin/uninstall.bat

qmfserver/bat/setenv.bat

qmfserver/conf/wrapper.conf

For each file, replace “jre1.8.0_131” with “jre”, and save.

8. Open a Windows Command window in Administrator mode and Change directory to elasticsearch/bin.

9. Execute:

uninstall.bat

install.bat

10. Change directory to qmfserver/bat.

11 Execute:

uninstallService.bat

installService.bat.

12. In the Windows Services console, edit “IBM QMF Vision Indexing Service” to change startup type from

“Manual” to “Automatic”.

13. Restart Windows Services:

- IBM QMF Vision Indexing Service

- IBM QMF Vision Web Service

- QMFServerLite