Security Bulletin: IBM App Connect Enterprise Certified Container Operator and IntegrationServer operands may be vulnerable to denial of service due to CVE-2021-39293

Summary

IBM App Connect Enterprise Certified Container Operator and IntegrationServer operands may be vulnerable to denial of service if forced to process a malicious archive stream. This bulletin provides patch information to address the reported vulnerability CVE-2021-39293.

Vulnerability Details

CVEID:CVE-2021-39293
**DESCRIPTION:**Golang Go is vulnerable to a denial of service, caused by a flaw in the NewReader and OpenReader functions in archive/zip. By sending a specially-crafted archive header, a remote attacker could exploit this vulnerability to cause a panic, which results in a denial of service.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/220196 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 2.1, 3.0, 3.1, 4.0 and 4.1 (Continuous Delivery)

Upgrade to App Connect Enterprise Certified Container Operator version 4.2.0 or higher, and ensure that all IntegrationServer components are at 12.0.4.0-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&gt;

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, and ensure that all DesignerAuthoring and IntegrationServer components are at 11.0.0.17-r2-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&gt;

Workarounds and Mitigations

None