Security Bulletin: IBM Kenexa LMS On Premise -IBM SDK, Java Technology Edition Quarterly CPU - Apr 2020 - Includes Oracle Apr 2020 CPU

Summary

We have identified that the IBM Kenexa LMS On Premise is affected by one or more security vulnerabilities. These have been addressed in LMS 6.1.0 version.

Vulnerability Details

CVEID:CVE-2020-2805
**DESCRIPTION:**An unspecified vulnerability in Java SE related to the Java SE Libraries component could allow an unauthenticated attacker to take control of the system.
CVSS Base score: 8.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/179703 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H)

CVEID:CVE-2020-2803
**DESCRIPTION:**An unspecified vulnerability in multiple Oracle products could allow an unauthenticated attacker to take control of the system.
CVSS Base score: 8.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/179701 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H)

CVEID:CVE-2020-2830
**DESCRIPTION:**An unspecified vulnerability in Java SE related to the Java SE Concurrency 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: 5.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/179728 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)

CVEID:CVE-2020-2781
**DESCRIPTION:**An unspecified vulnerability in Java SE related to the Java SE JSSE 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: 5.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/179681 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)

CVEID:CVE-2020-2800
**DESCRIPTION:**An unspecified vulnerability in Java SE related to the Java SE Lightweight HTTP Server component could allow an unauthenticated attacker to cause low confidentiality impact, low integrity impact, and no availability impact.
CVSS Base score: 4.8
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/179698 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N)

CVEID:CVE-2020-2757
**DESCRIPTION:**An unspecified vulnerability in Java SE related to the Java SE Serialization 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/179657 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)

CVEID:CVE-2020-2756
**DESCRIPTION:**An unspecified vulnerability in Java SE related to the Java SE Serialization 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/179656 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)

CVEID:CVE-2020-2755
**DESCRIPTION:**An unspecified vulnerability in Java SE related to the Java SE Scripting 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/179655 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)

CVEID:CVE-2020-2754
**DESCRIPTION:**An unspecified vulnerability in Java SE related to the Java SE Scripting 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/179654 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

IBM recommends updating to the latest release for customers who are using an affected version. The new version is available at IBM Passport Advantage web site.

Once on version 6.1, please proceed to download and apply the provided fix via Fix Central.

Steps to Download from Fix Central

• Log in to Fix Central (<https://www-945.ibm.com/support/fixcentral/&gt;)
• Select " IBM Kenexa LMS” from the Product Selector dropdown
• Select “6.1” from the Installed version dropdown
• Select “Windows” from the Platform dropdown
• Click “Continue”
• Select "Browse for Fixes” and click “Continue”

Download the following 3 files:

• Participate_jdk64
• LMS_ibmsdk64
• LMS_ibmsdk32

Steps to Follow in Version 6.1 ONLY:

1. Stop LMS and Participate Services

2. Perform Backups

i) In the LMS installation directory, perform a backup of the existing JDK directories by renaming the Java directories ibmsdk32 and ibmsdk64. We suggest appending "_backup” to the end.
ii) In the Participate installation (root) directory, perform a backup of the existing Java directory located in the following path ({Install_Directory}\jdk\windows\jdk64) by renaming the directory. Suggest appending "_backup” to the end.

Important Note: If the Step 1 (stopping of services) did not complete, you might have issues renaming the folders. Please ensure all Participate and LMS services are no longer running prior to renaming/taking backup

3. Download the Latest JDK files from Fix Central (see above)

4. Once you have the new files, place the unzipped contents of the new JDK into the respective LMS and PE directories. Please ensure that the directory names of the new JDK is the same as the earlier one (prior to backup) for both LMS and PE.

4. Run Install.bat (via CMD) on PE and Auto Configuration on the LMS

Important Note: Once completed the Step:4 for JDK updates, needs to deploy the latest patches of LMS, Participate which has exists in FixCentral in to application in order to support Java version changes

5. Start services.

Workarounds and Mitigations

None