Security Bulletin: IBM App Connect Enterprise Certified Container may be vulnerable to Denial of Service via CVE-2021-33198

Summary

IBM App Connect Enterprise Certified Container may be vulnerable to Denial of Service via CVE-2021-33198. This affects the Operator itself and the ACE server image

Vulnerability Details

CVEID:CVE-2021-33198
**DESCRIPTION:**Golang Go is vulnerable to a denial of service, caused by a flaw in the SetString and UnmarshalText methods of math/big.Rat. By sending a specially-crafted input, a remote attacker could exploit this vulnerability to cause a panic or an unrecoverable fatal error, and results in a denial of service condition.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/206604 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 1.0, 1.2, 1.3, 1.4 and 1.5 CD

Upgrade to App Connect Enterprise Certified Container Operator version 1.5.2 (available in CASE 1.5.2) or higher, and ensure that all Integration Server components are at 12.0.1.0-r3 or higher.

App Connect Enterprise Certified Container 1.1 LTS

Upgrade to App Connect Enterprise Certified Container Operator version 1.1.3 EUS (available in CASE 1.1.3) or higher, and ensure that all Integration Server components are at 11.0.0.13-r2-eus or higher.

Workarounds and Mitigations

None