Security Bulletin: IBM App Connect Enterprise Certified Container IntegrationServer operands that process JSON data may be vulnerable to denial of service due to CVE-2020-36518

Summary

FasterXML jackson-databind is used by IBM App Connect Enterprise Certified Container for processing JSON data. IBM App Connect Enterprise Certified Container IntegrationServer operands that process JSON data may be vulnerable to denial of service. This bulletin provides patch information to address the reported vulnerability CVE-2020-36518 in FasterXML jackson-databind.

Vulnerability Details

CVEID:CVE-2020-36518
**DESCRIPTION:**FasterXML jackson-databind is vulnerable to a denial of service, caused by a Java StackOverflow exception. By using a large depth of nested objects, a remote attacker could exploit this vulnerability to cause a denial of service.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/222319 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 3.0, 3.1, 4.0, 4.1 and 4.2 (Continuous Delivery)

Upgrade to App Connect Enterprise Certified Container Operator version 5.0.0 or higher, and ensure that all IntegrationServer components are at 12.0.5.0-r1 or higher. Documentation on the upgrade process is available at <https://www.ibm.com/docs/en/app-connect-contlts?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 1.1.10 or higher, and ensure that all IntegrationServer components are at 11.0.0.18-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&gt;

Workarounds and Mitigations

None