Security Bulletin: Information disclosure and Denial of Service vulnerability affect IBM Business Automation Workflow and IBM Business Process Manager (BPM)

Security Bulletin

Summary

The optional component Process Federation Server that is shipped with IBM Business Process Manager and IBM Business Automation Workflow is vulnerable to a information disclosure and denial of service attack.

Vulnerability Details

CVEID: CVE-2020-4794
DESCRIPTION: IBM Process Federation Server Component, IBM Business Automation Workflow and IBM Business Process Manager could allow an authenticated user to obtain sensitive information or cuase a denial of service due to iimproper authorization checking.
CVSS Base score: 5.4
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/189445 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L)

Affected Products and Versions

Affected Product(s)	Version(s)
IBM Cloud Pak for Automation	IBM Automation Workstream Services 19.0.3, 20.0.1, 20.0.2 IBM Business Automation Workflow 20.0.2
IBM Business Automation Workflow	V18.0, V19.0, V20.0 traditional V20.0 containers
IBM Business Process Manager	V8.6

Remediation/Fixes

The recommended solution is to apply the Interim Fix (iFix) or Cumulative Fix (CF) containing APAR JR62875 as soon as practical:

For Process Federation Server V18.0, V19.0, and V20.0:
· Upgrade to minimal cumulative fix levels as required by iFix and then apply iFix JR62875
--OR--
· Apply cumulative fix Process Federation Server V20.0.0.2 or later

For Process Federation Server V8.6:
· Upgrade to minimal cumulative fix levels as required by iFix and then apply iFix JR62875
--OR--
· Apply cumulative fix Process Federation Server V20.0.0.2 or later

For Process Federation Server in IBM Cloud Pak for Automation:
· Upgrade to version 20.0.3

Workarounds and Mitigations

None

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References

Complete CVSS v3 Guide
On-line Calculator v3

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Acknowledgement

Change History

18 Dec 2020: Initial Publication

*The CVSS Environment Score is customer environment specific and will ultimately impact the Overall CVSS Score. Customers can evaluate the impact of this vulnerability in their environments by accessing the links in the Reference section of this Security Bulletin.

Disclaimer

Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.

Document Location

Worldwide

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Tips

Security Bulletin: Information disclosure and Denial of Service vulnerability affect IBM Business Automation Workflow and IBM Business Process Manager (BPM) - CVE-2020-4794