Security Bulletin: IBM App Connect Enterprise Certified Container IntegrationServer and IntegrationRuntime operands may be vulnerable to denial of service

Summary

The Bouncy Castle Crypto Package For Java is used by the MQ Client in IBM App Connect Enterprise Certified Container IntegrationServers and IntegrationRuntimes. This bulletin provides patch information to address the reported vulnerability in the Bouncy Castle Crypto Package For Java. [CVE-2023-33201]

Vulnerability Details

CVEID:CVE-2023-33202
**DESCRIPTION:**Bouncy Castle for Java is vulnerable to a denial of service, caused by a flaw in the org.bouncycastle.openssl.PEMParser class. By sending a specially crafted file, a remote attacker could exploit this vulnerability to cause a denial of service condition.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/272463 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)

Affected Products and Versions

Remediation/Fixes

IBM strongly suggests the following:
App Connect Enterprise Certified Container 4.1.x to 9.2.x (Continuous Delivery)

Upgrade to App Connect Enterprise Certified Container Operator version 10.0.0 or higher, and ensure that all DesignerAuthoring, IntegrationServer and IntegrationRuntime components are at 12.0.9.0-r3 or higher. Documentation on the upgrade process is available at <https://www.ibm.com/docs/en/app-connect/containers_cd?topic=releases-upgrading-operator&gt;

App Connect Enterprise Certified Container 5.0 LTS (Long Term Support)

Upgrade to App Connect Enterprise Certified Container Operator version 5.0.11 or higher, and ensure that all DesignerAuthoring and IntegrationServer components are at 12.0.9.0-r3-lts or higher. Documentation on the upgrade process is available at <https://www.ibm.com/docs/en/app-connect-contlts?topic=releases-upgrading-operator&gt;

Workarounds and Mitigations

None