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Security Bulletin: Reverse tabnabbing vulnerability affects IBM Business Automation Workflow and IBM Business Process Manager (BPM) - CVE-2020-4490

Security Bulletin


Summary

IBM Business Process Manager (Process Center) and IBM Business Automation Workflow (Workflow Center) are vulnerable to a reverse tabnabbing vulnerability.

Vulnerability Details

CVEID:   CVE-2020-4490
DESCRIPTION:   IBM Business Automation Workflow and IBM Business Process Manager could allow a remote attacker to bypass security restrictions, caused by a reverse tabnabbing flaw. An attacker could exploit this vulnerability and redirect a vitcim to a phishing site.
CVSS Base score: 5.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/181989 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N)

Affected Products and Versions

 

 

Affected Product(s)Version(s)               
IBM Business Automation WorkflowV19.0
V18.0
IBM Business Process ManagerV8.6
V8.5
V8.0

 

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 JR62210 as soon as practical:

For IBM Business Automation Workflow V18.0 and V19.0
· Upgrade to minimal cumulative fix levels as required by iFix and then apply iFix JR62210
--OR--
· Apply cumulative fix Business Automation Workflow V20.0.0.1 or later (targeted availability 2Q 2020)

For IBM Business Process Manager V8.6
· Upgrade to minimal cumulative fix levels as required by iFix and then apply iFix JR62210
--OR--
· Upgrade to Business Automation Workflow V20.0.0.1 or later (targeted availability 2Q 2020)

For IBM BPM V8.5
· Upgrade to IBM BPM V8.5.7, apply Cumulative Fix 2017.06 and then apply iFix JR62210
--OR--
· Upgrade to Business Automation Workflow V20.0.0.1 or later (targeted availability 2Q 2020)

For IBM BPM V8.0
· Upgrade to IBM BPM V8.0.1, apply Fix Pack 3 and then apply iFix JR62210
--OR--
· Upgrade to Business Automation Workflow V20.0.0.1 or later (targeted availability 2Q 2020)

Workarounds and Mitigations

None

Get Notified about Future Security Bulletins

References

Off

Change History

28 May 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

According to the Forum of Incident Response and Security Teams (FIRST), the Common Vulnerability Scoring System (CVSS) is an "industry open standard designed to convey vulnerability severity and help to determine urgency and priority of response." IBM PROVIDES THE CVSS SCORES ""AS IS"" WITHOUT WARRANTY OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY.

Document Location

Worldwide

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Document Information

Modified date:
28 May 2020

UID

ibm16217550