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Security Bulletin: IBM App Connect Enterprise Certified Container may be vulnerable to HTTP request smuggling due to CVE-2021-22959

Security Bulletin


Summary

Node.js is used by IBM App Connect Enterprise Certified Container for running, authoring and managing flows. All IBM App Connect Enterprise Certified Container operands may be vulnerable to CVE-2021-22959. This bulletin provides patch information to address the reported vulnerability CVE-2021-22959.

Vulnerability Details

CVEID:   CVE-2021-22959
DESCRIPTION:   Node.js is vulnerable to HTTP request smuggling, caused by an error related to a space in headers. A remote attacker could send a specially-crafted request with a space (SP) right after the header name before the colon to lead to HTTP Request Smuggling (HRS). An attacker could exploit this vulnerability to poison the web cache, bypass web application firewall protection, and conduct XSS attacks.
CVSS Base score: 6.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/211168 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N)

Affected Products and Versions

Affected Product(s)Version(s)
App Connect Enterprise Certified Container1.1-eus with Operator
App Connect Enterprise Certified Container1.5 with Operator
App Connect Enterprise Certified Container2.0 with Operator
App Connect Enterprise Certified Container2.1 with Operator
App Connect Enterprise Certified Container3.0 with Operator
App Connect Enterprise Certified Container3.1 with Operator

Remediation/Fixes

App Connect Enterprise Certified Container 1.5, 2.0, 2.1, 3.0 and 3.1 (Continuous Delivery)

Upgrade to App Connect Enterprise Certified Container Operator version 4.0.0 or higher, and ensure that all operands are at 12.0.3.0-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

 

App Connect Enterprise Certified Container 1.1 EUS (Extended Update Support)

Upgrade to App Connect Enterprise Certified Container Operator version 1.1.7 or higher, and ensure that all operands are at 11.0.0.16-r1-eus or higher.  Documentation on the upgrade process is available at https://www.ibm.com/docs/en/app-connect/containers_eus?topic=releases-upgrading-operator

Workarounds and Mitigations

None

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References

Complete CVSS v3 Guide
On-line Calculator v3

Off

Related Information

IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

See https://www.ibm.com/support/pages/node/6239294 for information supported levels of the ACE Certified Container Operator

Change History

31 Mar 2022: Initial Publication

*The CVSS Environment Score is customer environment specific and will ultimately impact the Overall CVSS Score. Customers can evaluate the impact of this vulnerability in their environments by accessing the links in the Reference section of this Security Bulletin.

Disclaimer

Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.

Document Location

Worldwide

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Document Information

Modified date:
31 March 2022

Initial Publish date:
31 March 2022

UID

ibm16568337

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