Security Bulletin: Apache Commons FileUpload Vulnerabilities in IBM MQ (Managed File Transfer component) and IBM WebSphere MQ (Managed File Transfer component) (CVE-2016-3092)
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.
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 18.104.22.168 - 22.214.171.124 maintenance levels
IBM WebSphere MQ 126.96.36.199 - 188.8.131.52 maintenance levels
IBM MQ 8.0
Apply fix pack 184.108.40.206
IBM WebSphere MQ 7.5
Apply fix pack 220.127.116.11
For unsupported versions of IBM WebSphere MQ, IBM recommends upgrading to a fixed, supported version of the product.
Workarounds and Mitigations
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ReferencesComplete CVSS v3 Guide
On-line Calculator v3
Related informationIBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog
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.
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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