Security Bulletin: IBM App Connect Enterprise Certified Container DesignerAuthoring operands that use mapping assistance are vulnerable to denial of service due to [CVE-2023-24762]

Summary

FastAPI is used by IBM App Connect Enterprise Certified Container for internal HTTP communications. IBM App Connect Enterprise Certified Container DesignerAuthoring operands that use mapping assistance are vulnerable to denial of service. This bulletin provides patch information to address the reported vulnerability in FastAPI. [CVE-2024-24762]

Vulnerability Details

CVEID:CVE-2024-24762
**DESCRIPTION:**FastAPI is vulnerable to a denial of service, caused by a regular expression denial of service (ReDoS) flaw in the Content-Type header. By sending a specially crafted regex input, a remote attacker could exploit this vulnerability to consume CPU resources and stall indefinitely.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/281680 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 4.1.0 to 11.2.1 (Continuous Delivery)

Upgrade to App Connect Enterprise Certified Container Operator version 11.3.0 or higher, and ensure that all DesignerAuthoring components are at 12.0.11.2-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 5.0.15 or higher, and ensure that all DesignerAuthoring components are at 12.0.11.2-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