Security Bulletin: IBM App Connect Enterprise Certified Container operands may be vulnerable to security restrictions bypass due to [CVE-2021-25743]

Summary

kubectl is used by IBM App Connect Enterprise Certified Container for scripted calls to Kubernetes. IBM App Connect Enterprise Certified Container operands may be vulnerable to security restrictions bypass. This bulletin provides patch information to address the reported vulnerability in kubectl. [CVE-2021-25743]

Vulnerability Details

CVEID:CVE-2021-25743
**DESCRIPTION:**Kubernetes could allow a remote authenticated attacker to bypass security restrictions, caused by improper filtering of ANSI escape characters in kubectl. By sending a specially-crafted input, an attacker could exploit this vulnerability to hide all the events, changing the title of the terminal window, and spoof the data.
CVSS Base score: 3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/216852 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:L/UI:R/S:C/C:N/I:L/A:N)

Affected Products and Versions

Remediation/Fixes

IBM strongly suggests the following:
App Connect Enterprise Certified Container 4.1.x to 7.0.x (Continuous Delivery)

Upgrade to App Connect Enterprise Certified Container Operator version 7.1.0 or higher, and ensure that all DesignerAuthoring and IntegrationServer components are at 12.0.7.0-r3 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 5.0.3 or higher, and ensure that all DesignerAuthoring and IntegrationServer components are at 12.0.7.0-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