Security Bulletin: Vulnerability in IBM SDK Java affects IBM Cloud Pak System (CVE-2020-27221)

Summary

Vulnerability in IBM SDK Java affects IBM Cloud Pak System. OS Image for Red Enterprise Linux shipped with Cloud Pak System addressed this vulnerability.

Vulnerability Details

CVEID:CVE-2020-27221
**DESCRIPTION:**Eclipse OpenJ9 is vulnerable to a stack-based buffer overflow when the virtual machine or JNI natives are converting from UTF-8 characters to platform encoding. By sending an overly long string, a remote attacker could overflow a buffer and execute arbitrary code on the system or cause the application to crash.
CVSS Base score: 9.8
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/195353 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)

Affected Products and Versions

Remediation/Fixes

For unsupported version/release/platform IBM recommends upgrading to a fixed, supported version of the product.

This Security Bulletin applies to Cloud Pak System Software, IBM OS Image for Red Hat Linux Systems (RHEL 7.9) 3.1.3.0 updates to IBM® SDK Java™ Technology Edition, V8.0.6.25.

for IBM Cloud Pak System V2.3.0 through V2.3.3.3, upgrade to V2.3.3.3 Interim Fix 1 or later at Fix Central

Notice IBM Cloud Pak System v2.3.3.4 has upgraded Java to IBM® SDK Java™ Technology Edition V8.0.7.0.

Information on upgrading at : <http://www.ibm.com/support/docview.wss?uid=ibm10887959&gt;

Workarounds and Mitigations

None