Security Bulletin: IBM WebSphere Application Server could provide weaker than expected security (CVE-2023-50313)

Summary

IBM WebSphere Application Server could provide weaker than expected security for outbound TLS connections.

Vulnerability Details

CVEID:CVE-2023-50313
**DESCRIPTION:**IBM WebSphere Application Server could provide weaker than expected security for outbound TLS connections caused by a failure to honor user configuration.
CVSS Base score: 5.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/274712 for the current score.
CVSS Vector: (CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N)

Affected Products and Versions

Remediation/Fixes

IBM strongly recommends addressing the vulnerability now by applying a currently available interim fix or fix pack that contains the APAR PH61385.

For IBM WebSphere Application Server traditional:

For V9.0.0.0 through 9.0.5.19:
· Upgrade to minimal fix pack levels as required by interim fix and then apply Interim Fix PH61385
--OR–
· Apply Fix Pack 9.0.5.20 or later (targeted availability 2Q2024).

For V8.5.0.0 through 8.5.5.25:
· Upgrade to minimal fix pack levels as required by interim fix and then apply Interim Fix PH61385
--OR–
· Apply Fix Pack 8.5.5.26 or later (targeted availability 3Q2024).

Additional interim fixes may be available and linked off the interim fix download page.

Workarounds and Mitigations

None