Security Bulletin: IBM App Connect Enterprise Certified Container may be vulnerable to denial of service due to [CVE-2022-42898]

Summary

MIT krb5 is not used directly by IBM App Connect Enterprise Certified Container but it is a part of the base operating system in the images. IBM App Connect Enterprise Certified Container may be vulnerable to denial of service. This bulletin provides patch information to address the reported vulnerability in MIT krb5. [CVE-2022-42898]

Vulnerability Details

CVEID:CVE-2022-42898
**DESCRIPTION:**MIT krb5 is vulnerable to a denial of service, caused by an integer overflow in PAC parsing in the krb5_parse_pac() function. By sending a specially-crafted request, a remote authenticated attacker could exploit this vulnerability to cause a KDC or kadmind process to crash.
CVSS Base score: 6.4
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/240238 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:H/A:L)

Affected Products and Versions

Remediation/Fixes

IBM strongly suggests the following:
App Connect Enterprise Certified Container 4.1, 4.2, 5.0, 5.1, 5.2, 6.0, 6.1 and 6.2 (Continuous Delivery)

Upgrade to App Connect Enterprise Certified Container Operator version 7.0.0 or higher, and ensure that all DesignerAuthoring and IntegrationServer components are at 12.0.7.0-r2 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 5.0.3 or higher, and ensure that all DesignerAuthoring and IntegrationServer components are at 12.0.7.0-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