Security Bulletin: Multiple Vulnerabilities in IBM® Java SDK affect IBM WebSphere Application Server and IBM WebSphere Application Server Liberty due to April 2023 CPU

Summary

There are multiple vulnerabilities in the IBM® SDK, Java™ Technology Edition that is shipped with IBM WebSphere Application Server and IBM WebSphere Application Server Liberty. The CVE(s) listed in this document might affect some configurations of IBM WebSphere Application Server traditional and IBM WebSphere Application Server Liberty. These products have addressed the applicable CVE(s). If you run your own Java code using the IBM Java Runtime delivered with this product, you should evaluate your code to determine whether the complete list of vulnerabilities is applicable to your code. For a complete list of vulnerabilities, refer to the link for “IBM Java SDK Security Bulletin” located in the References section for more information. HP fixes are on a delayed schedule.

Vulnerability Details

CVEID:CVE-2023-21930
**DESCRIPTION:**An unspecified vulnerability in Oracle Java SE, Oracle GraalVM Enterprise Edition related to the JSSE component could allow an unauthenticated attacker to cause high confidentiality impact and high integrity impact.
CVSS Base score: 7.4
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/253115 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N)

CVEID:CVE-2023-21967
**DESCRIPTION:**An unspecified vulnerability in Oracle Java SE, Oracle GraalVM Enterprise Edition related to the Hotspot component could allow a remote attacker to cause high confidentiality impact.
CVSS Base score: 5.9
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/253166 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N)

CVEID:CVE-2023-21954
**DESCRIPTION:**An unspecified vulnerability in Oracle Java SE, Oracle GraalVM Enterprise Edition related to the JSSE component could allow a remote attacker to cause high availability impact.
CVSS Base score: 5.9
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/253156 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H)

CVEID:CVE-2023-21968
**DESCRIPTION:**An unspecified vulnerability in Oracle Java SE and GraalVM Enterprise Edition related to the Libraries component could allow an unauthenticated attacker to cause low integrity impact.
CVSS Base score: 3.7
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/253083 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N)

CVEID:CVE-2023-21937
**DESCRIPTION:**An unspecified vulnerability in Oracle Java SE, Oracle GraalVM Enterprise Edition related to the Networking component could allow a remote attacker to cause integrity impact.
CVSS Base score: 3.7
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/253167 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N)

CVEID:CVE-2023-21938
**DESCRIPTION:**An unspecified vulnerability in Oracle Java SE, Oracle GraalVM Enterprise Edition related to the Libraries component could allow a remote attacker to cause integrity impact.
CVSS Base score: 3.7
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/253155 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N)

Affected Products and Versions

Remediation/Fixes

For IBM WebSphere Application Server Liberty:

Upgrade to IBM SDK, Java Technology Edition Version 8 SR8 FP5 refer to IBM Java SDKs for Liberty

For Version 9 IBM WebSphere Application Server traditional:

Update to the IBM SDK, Java Technology Edition, Version 8 Service Refresh 8 FP5 using the instructions in the IBM Documentation Installing and updating IBM SDK, Java Technology Edition on distributed environments then use the IBM Installation Manager to access the online product repositories to install the SDK or use IBM Installation Manager and access the packages from Fixcentral.

For Version 8.5.0.0 through 8.5.5.23 IBM WebSphere Application Server traditional:

For the IBM SDK, Java Technology Version that you use, upgrade to the minimal fix pack level of IBM WebSphere Application Server as noted in the interim fix below then apply the interim fixes:

For IBM SDK Java Technology Edition Version 8

• For environments that have been upgraded to use the new default IBM SDK Version 8 bundled with IBM WebSphere Application Server Fix Pack 8.5.5.11 or later: Apply interim fix PH54908: Will upgrade you to IBM SDK, Java Technology Edition, Version 8 Service Refresh 8 FP5.

OR

• Apply IBM Java SDK shipped with IBM WebSphere Application Server Fix pack 24 (8.5.5.24 or later (targeted availability 3Q 2023).

For Application Client for IBM WebSphere Application Server:

Follow instructions above for the IBM WebSphere Application Server to download the interim fix needed for your version of the Application Client.

Workarounds and Mitigations

None