Security Bulletin: Vulnerabilities in IBM Java Runtime affect IBM Integration Bus and IBM App Connect Enterpise v11, v12 (CVE-2020-27221)

Summary

Vulnerabilities in IBM® SDK Java™ Technology ,used by IBM Integration Bus & IBM App Connect Enterprise v11, v12. These issues were disclosed as part of the IBM Java SDK updates in January 2021.

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

IBM App Connect Enterprise V11 , V11.0.0.0 - V11.0.0.13

IBM Integration Bus V10.0.0.0 - V10.0.0.23

IBM App Connect Enterprise V12 12.0.1.0

Remediation/Fixes

Product

|

VRMF

| APAR|

Remediation / Fix

—|—|—|—
IBM App Connect Enterprise V12| V12.0.1.0| IT36290|

Interim fix (for APAR IT36290 ) available here on IBM Fix Central

IBM Fix Central

IBM App Connect Enterprise V11| V11.0.0.0 - V11.0.0.13| IT36290|

Interim fix (for APAR IT36290 ) available here on IBM Fix Central

IBM Fix Central

IBM Integration Bus| V10.0.0.0 - V10.0.0.24| IT36290|

The APAR is available in fixpack 10.0.0.24

IBM Integration Bus - Fix Pack 10.0.0.24

Workarounds and Mitigations

None