Security Bulletin: Multiple Vulnerabilities in IBM® Java SDK affect IBM WebSphere Application Server and IBM WebSphere Application Server Liberty due to April 2024 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. 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-2024-21011
**DESCRIPTION:**An unspecified vulnerability in Java SE related to the VM component could allow a remote attacker to cause low availability impact.
CVSS Base score: 3.7
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/288020 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-2023-38264
**DESCRIPTION:**The IBM SDK, Java Technology Edition’s Object Request Broker (ORB) is vulnerable to a denial of service attack in some circumstances due to improper enforcement of the JEP 290 MaxRef and MaxDepth deserialization filters.
CVSS Base score: 5.9
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/260578 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)

Affected Products and Versions

Remediation/Fixes

For IBM WebSphere Application Server Liberty:

Upgrade to IBM SDK, Java Technology Edition Version 8 SR8 FP25 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 FP25 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 8.5.5.25 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 PH60904 : Will upgrade you to IBM SDK, Java Technology Edition, Version 8 Service Refresh 8 FP25.

OR

• Apply IBM Java SDK shipped with IBM WebSphere Application Server Fix pack 26 (8.5.5.26) or later (targeted availability 3Q 2024).

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