Security Bulletin: Vulnerability in IBM® Java SDK affects IBM WebSphere Application Server due to CVE-2022-40609

Summary

There is a vulnerability in the IBM® SDK, Java™ Technology Edition that is shipped with IBM WebSphere Application Server. The CVE(s) listed in this document might affect some configurations of IBM WebSphere Application Server traditional . This product has addressed the applicable CVE. If you run your own Java code using the IBM Java Runtime delivered with this product, you should evaluate your code to determine whether this vulnerability is applicable to your code. Refer to the link for “IBM Java SDK Security Bulletin” located in the References section for more information.

Vulnerability Details

CVEID:CVE-2022-40609
**DESCRIPTION:**IBM SDK, Java Technology Edition 7.1.5.18 and 8.0.8.0 could allow a remote attacker to execute arbitrary code on the system, caused by an unsafe deserialization flaw. By sending specially-crafted data, an attacker could exploit this vulnerability to execute arbitrary code on the system. IBM X-Force ID: 236069.
CVSS Base score: 8.1
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/236069 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H)

Affected Products and Versions

Remediation/Fixes

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 IBM SDK, Java Technology Edition, Version 8 Service Refresh 8 FP5 or later using the information here. As of August 1, 2023, the most recent interim fix is PH54908.

OR

• Apply IBM Java SDK shipped with IBM WebSphere Application Server Fix pack 24 (8.5.5.24) or later.

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