Security Bulletin: IBM App Connect Enterprise Certified Container Operator and IntegrationServer operands are vulnerable to denial of service due to [CVE-2022-28948]

Summary

Go-Yaml is used internally by IBM App Connect Enterprise Certified Container for reading YAML configuration. IBM App Connect Enterprise Certified Container Operator and IntegrationServer operands are vulnerable to denial of service. This bulletin provides patch information to address the reported vulnerability in Go-Yaml. [CVE-2022-28948]

Vulnerability Details

CVEID:CVE-2022-28948
**DESCRIPTION:**Go-Yaml is vulnerable to a denial of service, caused by a flaw in the Unmarshal function. By sending a specially-crafted input, a remote attacker could exploit this vulnerability to cause the program to crash.
CVSS Base score: 5.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/226978 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)

Affected Products and Versions

Remediation/Fixes

IBM strongly suggests the following:
App Connect Enterprise Certified Container 4.1.x to 8.0.x (Continuous Delivery)

Upgrade to App Connect Enterprise Certified Container Operator version 8.1.0 or higher, and ensure that all DesignerAuthoring and IntegrationServer components are at 12.0.8.0-r1 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 5.0.6 or higher, and ensure that all DesignerAuthoring and IntegrationServer components are at 12.0.8.0-r1-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