Security Bulletin: Denial of service vulnerability in IBM Business Automation Workflow (CVE-2018-1997)

Summary

A denial of service vulnerability has been found in IBM Business Automation Workflow.

Vulnerability Details

CVEID: CVE-2018-1997
DESCRIPTION: IBM Business Automation Workflow and Business Process Manager are vulnerable to a denial of service attack. An authenticated attacker might send a specially crafted request that exhausts server-side memory.
CVSS Base Score: 4.3
CVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/154774&gt; for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L)

Affected Products and Versions

- IBM Business Automation Workflow V18.0.0.0 through V18.0.0.2

- IBM Business Process Manager V8.6.0.0 through V8.6.0.0 Cumulative Fix 2018.03

- IBM Business Process Manager Advanced V8.5.7.0 through V8.5.7.0 Cumulative Fix 2017.06

- IBM Business Process Manager Advanced V8.5.6.0 through V8.5.6.0 Cumulative Fix 2

-IBM Business Process Manager Advanced V8.5.5.0

Remediation/Fixes

The recommended solution is to apply the Interim Fix (iFix) or Cumulative Fix (CF) containing APAR JR60499 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
• IBM Business Process Manager Advanced
• IBM Business Process Manager Standard
• IBM Business Process Manager Express

For IBM Business Automation Workflow V18.0.0.0 through V18.0.0.2
· Upgrade to minimal cumulative fix levels as required by iFix and then apply iFix JR60499
Note that Business Automation Workflow 18.0.0.0 is a software bundle that includes IBM Business Process Manager V8.6.0.0 CF 2018.03. To download the fix for IBM Business Automation Workflow 18.0.0.0, download the fix labeled “8.6.0.201803-WS-BPM-IFJR60499”.
--OR–
· Apply cumulative fix Business Automation Workflow V19.0.0.1

For IBM Business Process Manager V8.6.0.0 through V8.6.0.0 CF 2018.03
· Upgrade to minimal cumulative fix levels as required by iFix and then apply iFix JR60499
Note that Business Automation Workflow 18.0.0.0 is a software bundle that includes IBM Business Process Manager V8.6.0.0 CF 2018.03. To download the fix for IBM Business Process Manager V8.6.0.0 CF 2018.03, download the fix labeled “8.6.0.201803-WS-BPM-IFJR60499”.
--OR–
· Upgrade to Business Automation Workflow V19.0.0.1

For IBM BPM V8.5.7.0 through V8.5.7.0 CF 2017.06
· Apply Cumulative Fix 2017.06 and then apply iFix JR60499
--OR–
· Upgrade to Business Automation Workflow V19.0.0.1

For IBM BPM V8.5.6.0 through V8.5.6.0 CF 2
· Apply CF2 and then apply iFix JR60499
--OR–
· Upgrade to Business Automation Workflow V19.0.0.1

For IBM BPM V8.5.5.
· Apply iFix JR60499
--OR–
· Upgrade to Business Automation Workflow V19.0.0.1

Workarounds and Mitigations

None