ESB-2017.2880 - [Win][Linux][AIX] IBM Business Process Manager: Increased privileges - Existing account 2017-11-13

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2017.2880
   Security Bulletin: Incorrect authorization for stop and resume Event
     Manager REST API in IBM Business Process Manager (CVE-2017-1628)
                             13 November 2017

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        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           IBM Business Process Manager
Publisher:         IBM
Operating System:  AIX
                   Linux variants
                   Windows
Impact/Access:     Increased Privileges -- Existing Account
Resolution:        Patch/Upgrade
CVE Names:         CVE-2017-1628  

Original Bulletin: 
   http://www.ibm.com/support/docview.wss?uid=swg22009496

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Security Bulletin: Incorrect authorization for stop and resume Event Manager
REST API in IBM Business Process Manager (CVE-2017-1628)

Document information

More support for: IBM Business Process Manager
Security

Software version: 8.6.0.0

Operating system(s): AIX, Linux, Windows

Reference #: 2009496

Modified date: 10 November 2017

Security Bulletin

Summary

Due to incorrect authorization for stop and resume Event Manager REST API,
users without required permission can stop and resume the Event Manager in IBM
Business Process Manager.

Vulnerability Details

CVEID: CVE-2017-1628
DESCRIPTION: IBM Business Process Manager allows authenticated users to stop
and resume the Event Manager by calling a REST API with incorrect authorization
checks.
CVSS Base Score: 4.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/
133126 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 Process Manager V8.6.0.0

Remediation/Fixes

The recommended solution is to apply the Interim Fix (iFix) or Cumulative Fix
(CF) containing APAR JR58466 as soon as practical:

  o IBM Business Process Manager Express
  o IBM Business Process Manager

For IBM BPM V8.6.0.0 (released 2017.09)

  o Apply iFix JR58466 

Workarounds and Mitigations

None

References

Complete CVSS v3 Guide
On-line Calculator v3

Related information

IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

Change History

10 Novemeber 2017: initial version published

*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.

                          Cross reference information
    Segment              Product           Component  Platform  Version Edition
   Business     IBM Business Process       Security  Linux,     8.6.0
  Integration   Manager Express                      Windows

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