Security Bulletin: IBM App Connect Enterprise Certified Container operands may be vulnerable to denial of service due to CVE-2021-38593

Summary

Qt is not used directly by IBM App Connect Enterprise Certified Container but is present in the operand images as part of the base operating system. Use of Qt within IBM App Connect Enterprise Certified Container operands may be vulnerable to denial of service. This bulletin provides patch information to address the reported vulnerability CVE-2021-38593 in Qt.

Vulnerability Details

CVEID:CVE-2021-38593
**DESCRIPTION:**Qt is vulnerable to a denial of service, caused by an out-of-bounds write in QOutlineMapper::convertPath. By sending a specially-crafted request, a remote attacker could exploit this vulnerability to cause the application to crash.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/207364 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, 5.2 and 6.0 (Continuous Delivery)

Upgrade to App Connect Enterprise Certified Container Operator version 6.1.0 or higher, and ensure that all components are at 12.0.6.0-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 5.0.1 or higher, and ensure that all 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