ESB-2018.0431 - [Win][Linux][AIX] IBM Business Process Manager: Execute arbitrary code/commands - Remote/unauthenticated 2018-02-13

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2018.0431
Security Bulletin: Remote code execution vulnerability within Jackson JSON
       library affects IBM Business Process Manager (CVE-2017-7525)
                             13 February 2018

===========================================================================

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

Product:           IBM Business Process Manager
Publisher:         IBM
Operating System:  AIX
                   Linux variants
                   Windows
Impact/Access:     Execute Arbitrary Code/Commands -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2017-7525  

Reference:         ESB-2018.0234
                   ESB-2017.3192
                   ESB-2017.3093
                   ESB-2017.1866
                   ESB-2017.1864
                   ESB-2017.1863

Original Bulletin: 
   http://www.ibm.com/support/docview.wss?uid=swg22012395

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Security Bulletin: Remote code execution vulnerability within Jackson JSON
library affects IBM Business Process Manager (CVE-2017-7525)

Document information

More support for: IBM Business Process Manager
Security

Software version: 8.6

Operating system(s): AIX, Linux, Windows

Reference #: 2012395

Modified date: 12 February 2018

Security Bulletin

Summary

Due to a deserialization flaw withinin Jackson JSON library IBM Business
Process Manager is vulnerable to a remote code execution vulnerability.

Vulnerability Details

CVEID: CVE-2017-7525
DESCRIPTION: A deserialization flaw within the Jackson JSON library in the
readValue method of the ObjectMapper could allow a remote attacker to execute
arbitrary code on the system. By sending a specially-crafted request, an
attacker could exploit this vulnerability to execute arbitrary code on the
system.
CVSS Base Score: 9.8
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/
134639 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)

Affected Products and Versions

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

- - 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 JR58835 as soon as practical:

  o IBM Business Process Manager
  o IBM Business Process Manager Advanced
  o IBM Business Process Manager Standard
  o IBM Business Process Manager Express


For IBM BPM V8.6.0.0 (released 2017.09)

  o Install CF 2017.12 or later

For IBM BPM V8.5.7.0 through V8.5.7.0 Cumulative Fix 2017.06

  o Install CF 2017.06 and then apply iFix JR58835

Workarounds and Mitigations

None

Get Notified about Future Security Bulletins

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alerts like this.

Important note

IBM strongly suggests that all System z customers be subscribed to the System z
Security Portal to receive the latest critical System z security and integrity
service. If you are not subscribed, see the instructions on the System z
Security web site. Security and integrity APARs and associated fixes will be
posted to this portal. IBM suggests reviewing the CVSS scores and applying all
security or integrity fixes as soon as possible to minimize any potential risk.

References

Complete CVSS v3 Guide
On-line Calculator v3


Related information

IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog


Change History

12 February 2018: 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
            IBM                   AIX,       8.5.7.CF201706,
 Business   Business              Linux,     8.5.7.CF201703,
Integration Process               Solaris,   8.5.7.CF201612,
            Manager               Windows, z 8.5.7.CF201609,
            Advanced              /OS        8.5.7.CF201606, 8.5.7
            IBM                              8.6, 8.5.7.CF201706,
 Business   Business              Linux,     8.5.7.CF201703,
Integration Process               Windows    8.5.7.CF201612,
            Manager                          8.5.7.CF201609,
            Express                          8.5.7.CF201606, 8.5.7
            IBM                   AIX,       8.5.7.CF201706,
 Business   Business              Linux,     8.5.7.CF201703,
Integration Process               Solaris,   8.5.7.CF201612,
            Manager               Windows    8.5.7.CF201609,
            Standard                         8.5.7.CF201606, 8.5.7

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