Security Bulletin: IBM App Connect Enterprise Certified Container Operator may be vulnerable to denial of service due to CVE-2021-38561

Summary

Golang Go Text is used by IBM App Connect Enterprise Certified Container Operator internally. The Operator may be vulnerable to denial of service if a Golang panic is triggered. This bulletin provides patch information to address the reported vulnerability CVE-2021-38561.

Vulnerability Details

CVEID:CVE-2021-38561
**DESCRIPTION:**Golang Go Text is vulnerable to a denial of service, caused by an improper index calculation that allows an incorrectly formatted language tag to panic Parse. A remote attacker could exploit this vulnerability to trigger an out-of-bounds read and cause a denial of service.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/219760 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 1.1 EUS (Extended Update Support)

Upgrade to App Connect Enterprise Certified Container Operator version 1.1.9 or higher. Documentation on the upgrade process is available at <https://www.ibm.com/docs/en/app-connect/containers_eus?topic=releases-upgrading-operator&gt;

Workarounds and Mitigations

None