Security Bulletin: IBM App Connect Enterprise Certified Container DesignerAuthoring operands that use mapping assistance may be vulnerable to denial of service due to [CVE-2023-30798]

Summary

Starlette is used by IBM App Connect Enterprise Certified Container for mapping assistance. IBM App Connect Enterprise Certified Container DesignerAuthoring operands that use mapping assistance may be vulnerable to denial of service. This bulletin provides patch information to address the reported vulnerability in Starlette. [CVE-2023-30798]

Vulnerability Details

CVEID:CVE-2023-30798
**DESCRIPTION:**Encode Starlette is vulnerable to a denial of service, caused by a flaw with accepting unlimited number of multipart parts in the python-multipart package in the MultipartParser. By sending a specially-crafted request, a remote attacker could exploit this vulnerability to cause high CPU and memory usages, and results in a denial of service condition.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/247595 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 5.0.x to 7.1.x (Continuous Delivery)

Upgrade to App Connect Enterprise Certified Container Operator version 7.2.0 or higher, and ensure that all DesignerAuthoring components are at 12.0.7.0-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;

Note that Continuous Delivery releases prior to 5.0 are not affected

App Connect Enterprise Certified Container 5.0 LTS (Long Term Support)

Upgrade to App Connect Enterprise Certified Container Operator version 5.0.5 or higher, and ensure that all DesignerAuthoring components are at 12.0.7.0-r3-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