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             AUSCERT External Security Bulletin Redistribution

Cross-Site Scripting vulnerability affect IBM Business Automation Workflow
                  and IBM Business Process Manager (BPM)
                               29 June 2020


        AusCERT Security Bulletin Summary

Product:           IBM Business Automation Workflow
                   IBM Business Process Manager
Publisher:         IBM
Operating System:  AIX
                   UNIX variants (UNIX, Linux, OSX)
Impact/Access:     Cross-site Scripting -- Existing Account
Resolution:        Patch/Upgrade
CVE Names:         CVE-2020-4557  

Original Bulletin: 

- --------------------------BEGIN INCLUDED TEXT--------------------


IBM Business Process Manager and IBM Business Automation Workflow are
vulnerable to a cross-site scripting attack.

Vulnerability Details

CVEID:   CVE-2020-4557
DESCRIPTION:   IBM Business Automation Workflow and IBM Business Process
Manager is vulnerable to cross-site scripting. This vulnerability allows users
to embed arbitrary JavaScript code in the Web UI thus altering the intended
functionality potentially leading to credentials disclosure within a trusted
CVSS Base score: 5.4
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/
183611 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N)

Affected Products and Versions


|Affected Product(s)         |Version  |
|                            |(s)      |
|IBM Business Automation     |V20.0    |
|Workflow                    |V19.0    |
|                            |V18.0    |
|IBM Business Process Manager|V8.6     |
|                            |V8.5     |


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


The recommended solution is to apply the Interim Fix (iFix) or Cumulative Fix
(CF) containing APAR JR62436 as soon as practical:

  ? IBM Business Automation Workflow  (including fix for IBM Business Process
    Manager V8.6.0.0 2018.03)
  ? IBM Business Process Manager Advanced
  ? IBM Business Process Manager Standard
  ? IBM Business Process Manager Express

For IBM Business Automation Workflow V18.0,V19.0, and V20.0
. Upgrade to minimal cumulative fix levels as required by iFix and then apply
iFix JR62436
- --OR--
. Apply cumulative fix Business Automation Workflow V20.0.0.2

For IBM Business Process Manager V8.6
. Upgrade to minimal cumulative fix levels as required by iFix and then apply
iFix JR62436
- --OR--
. Upgrade to Business Automation Workflow V20.0.0.2 or later

For IBM BPM V8.5
. Upgrade to IBM BPM V8.5.7, apply Cumulative Fix 2017.06 and then apply iFix
- --OR--
. Upgrade to Business Automation Workflow V20.0.0.1 or later

For IBM BPM V8.0
. Upgrade to IBM BPM V8.0.1, apply Fix Pack 3 and then apply iFix JR62436
- --OR--
. Upgrade to Business Automation Workflow V20.0.0.1 or later

Workarounds and Mitigations


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Related Information

IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

Change History

28 Jun 2020: Initial Publication

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