ESB-2018.1338 - [Win][Linux][IBM i][HP-UX][Solaris][AIX] IBM WebSphere MQ: Execute arbitrary code/commands - Remote/unauthenticated 2018-05-02

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2018.1338
    Vulnerabilities in IBM WebSphere MQ Managed File Transfer component
                                2 May 2018

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

Product:           IBM WebSphere MQ
Publisher:         IBM
Operating System:  Windows
                   Linux variants
                   AIX
                   HP-UX
                   Solaris
                   IBM i
Impact/Access:     Execute Arbitrary Code/Commands -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2016-1000031  

Reference:         ESB-2017.3098
                   ESB-2017.3070

Original Bulletin: 
   http://www.ibm.com/support/docview.wss?uid=swg22011788

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Security Bulletin: Apache Commons FileUpload Vulnerabilities in IBM WebSphere
MQ Managed File Transfer component (CVE-2016-1000031)


Document information

More support for: WebSphere MQ
WMQ File Transfer Edition

Software version: 7.5, 8.0

Operating system(s): Platform Independent

Software edition: Edition Independent

Reference #: 2011788

Modified date: 01 May 2018


Security Bulletin

Summary

The DiskFileItem class in Apache Commons Fileupload before 1.3.3, as used in
IBM WebSphere MQ Managed File Transfer, specifically the Web Gateway component,
allows remote attackers to execute arbitrary code under current context of the
current process causing an undefined behavior.

Vulnerability Details

CVEID: CVE-2016-1000031
DESCRIPTION: Apache Commons FileUpload, as used in IBM WebSphere MQ Managed
File Transfer, specifically the Web Gateway component, could allow a remote
attacker to execute arbitrary code on the system, caused by deserialization of
untrusted data in DiskFileItem class of the FileUpload library. A remote
attacker could exploit this vulnerability to execute arbitrary code under the
context of the current process.
CVSS Base Score: 9.8
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/
117957 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 WebSphere MQ v7.5.0.0 to v7.5.0.8

IBM WebSphere MQ v8.0.0.0 to v8.0.0.8

Remediation/Fixes

IBM WebSphere MQ v7.5.0.0 to v7.5.0.8

Update to, if not already, IBM WebSphere fix pack 7.5.0.8 and then apply
interim fix 7.5.0.8-WS-MQ-MFT-IT23627

IBM WebSphere MQ v8.0.0.0 to v8.0.0.8

Apply fix pack 8.0.0.9

Workarounds and Mitigations

None

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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

30 April 2018 Draft 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.

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