Security Bulletin: IBM App Connect Enterprise Certified Container DesignerAuthoring operands that use mapping assistance are vulnerable to XSS attacks due to [CVE-2024-1135]

Summary

Gunicorn is used by IBM App Connect Enterprise Certified Container by the mapping assistance component. IBM App Connect Enterprise Certified Container DesignerAuthoring operands that use mapping assistance are vulnerable to XSS attacks. This bulletin provides patch information to address the reported vulnerability in Gunicorn. [CVE-2024-1135]

Vulnerability Details

CVEID:CVE-2024-1135
**DESCRIPTION:**Gunicorn is vulnerable to HTTP request smuggling, caused by improper parsing of the HTTP transfer-encoding headers. By sending a specially crafted HTTP(S) transfer-encoding header, an attacker could exploit this vulnerability to poison the web cache, bypass web application firewall protection, and conduct XSS attacks.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/287833 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N)

Affected Products and Versions

Remediation/Fixes

IBM strongly suggests the following:
App Connect Enterprise Certified Container up to 11.5.0 (Continuous Delivery)

Upgrade to App Connect Enterprise Certified Container Operator version 11.6.0 or higher, and ensure that all DesignerAuthoring components are at 12.0.12.2-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 5.0.18 or higher, and ensure that all DesignerAuthoring components are at 12.0.12.2-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