Security Bulletin: Deserialization vulnerability affect IBM Business Automation Workflow BPM Event Emitters - CVE-2022-1471

Summary

A vulnerable copy of snakeyaml is packaged with BPMEventEmitters and CaseEventEmitters in IBM Business Automation Workflow.

Vulnerability Details

CVEID:CVE-2022-1471
**DESCRIPTION:**SnakeYaml could allow a remote authenticated attacker to execute arbitrary code on the system, caused by an unsafe deserialization in the Constructor class. By using a specially-crafted yaml content, an attacker could exploit this vulnerability to execute arbitrary code on the system.
CVSS Base score: 8.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/241118 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L)

Affected Products and Versions

V22.0.2 - V22.0.2.IF003
V22.0.1 all fixes
V21.0.3 - V21.0.3-IF019
V21.0.2 all fixes
V20.0.0.2 all fixes
V20.0.0.1 all fixes

| affected
IBM Business Automation Workflow traditional| V22.0.1 - V22.0.2
V21.0.1 - V21.0.3.1
V20.0.0.1 - V20.0.0.2| affected

For earlier and unsupported versions of the products, IBM recommends upgrading to a fixed, supported version of the product.

Remediation/Fixes

The recommended solution is to apply the Interim Fix (iFix) or Cumulative Fix (CF) containing APAR DT208782 and DT208579 as soon as practical.

Workarounds and Mitigations

None