Security Bulletin: IBM Watson Assistant for IBM Cloud Pak for Data is vulnerable to FasterXML jackson-databind denial of service (CVE-2022-42004)

Summary

Potential vulnerabilities in FasterXML jackson-databind which is caused by a lack of a check in in the BeanDeserializer._deserializeFromArray function (CVE-2022-42004 has been identified that may affect IBM Watson Assistant for IBM Cloud Pak for Data. Refer to details for additional information.

Vulnerability Details

CVEID:CVE-2022-42004
**DESCRIPTION:**FasterXML jackson-databind is vulnerable to a denial of service, caused by a lack of a check in in the BeanDeserializer._deserializeFromArray function. By sending a specially-crafted request using deeply nested arrays, a local attacker could exploit this vulnerability to exhaust all available resources.
CVSS Base score: 6.2
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/237660 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)

Affected Products and Versions

Remediation/Fixes

For all affected versions, IBM strongly recommends addressing the vulnerability now by upgrading to the latest (v4.5.3) release of IBM Watson Assistant for IBM Cloud Pak for Data which maintains backward compatibility with the versions listed above.

Follow instructions for Installing Watson Assistant in Link to Release (v4.5.3 release information)

<https://www.ibm.com/docs/en/cloud-paks/cp-data/4.5.x&gt;

Workarounds and Mitigations

None