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Security Bulletin: Apache Commons FileUpload Vulnerabilities in IBM MQ (Managed File Transfer component) and IBM WebSphere MQ (Managed File Transfer component) (CVE-2016-3092)

Security Bulletin


Summary

The MultipartStream class in Apache Commons Fileupload before 1.3.2, as used in IBM MQ v8.0 and IBM WebSphere MQ v7.5, allows remote attackers to cause a denial of service (CPU consumption) through a long boundary string.

Vulnerability Details


CVEID: CVE-2016-3092
Description: The MultipartStream class in Apache Commons Fileupload before 1.3.2, as used in IBM MQ v8.0 (Managed File Transfer component) and IBM WebSphere MQ v7.5 (Managed File Transfer component), allows remote attackers to cause a denial of service (CPU consumption) through a long boundary string. By sending file upload requests, an attacker could exploit this vulnerability to cause the server to become unresponsive.
CVSS Base Score: 5.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/114336 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N)

Affected Products and Versions

IBM MQ 8.0.0.0 - 8.0.0.5 maintenance levels
IBM WebSphere MQ 7.5.0.0 - 7.5.0.7 maintenance levels

Remediation/Fixes

IBM MQ 8.0

Apply fix pack 8.0.0.6

IBM WebSphere MQ 7.5

Apply fix pack 7.5.0.8

For unsupported versions of IBM WebSphere MQ, IBM recommends upgrading to a fixed, supported version of the product.

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

21 April 2017: Original 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.

Related information

A Japanese translation is available

Document information

More support for: IBM MQ

Software version: 7.5, 8.0

Operating system(s): Platform Independent

Software edition: All Editions

Reference #: 2001563

Modified date: 25 July 2017


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