Security Bulletin: IBM App Connect Enterprise Certified Container IntegrationServer operands that process yaml files may be vulnerable to denial of service due to CVE-2022-25857

Summary

SnakeYAML is used by IBM App Connect Enterprise Certified Container for parsing YAML files, including IntegrationServer configuration files. IBM App Connect Enterprise Certified Container IntegrationServer operands may be vulnerable to denial of service. This bulletin provides patch information to address the reported vulnerability CVE-2022-25857 in SnakeYAML.

Vulnerability Details

CVEID:CVE-2022-25857
**DESCRIPTION:**Java package org.yaml:snakeyam is vulnerable to a denial of service, caused by missing to nested depth limitation for collections. By sending a specially-crafted request, a remote attacker could exploit this vulnerability to cause a denial of service.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/234864 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

App Connect Enterprise Certified Container 4.1, 4.2, 5.0, 5.1 and 5.2 (Continuous Delivery)

Upgrade to App Connect Enterprise Certified Container Operator version 6.0.0 or higher, and ensure that all DesignerAuthoring and IntegrationServer components are at 12.0.5.0-r4 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 5.0.1 or higher, and ensure that all DesignerAuthoring and IntegrationServer components are at 12.0.6.0-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