Security Bulletin: IBM WebSphere MQ File Transfer Edition Web Gateway vulnerable to CSRF attack (CVE-2012-3294)

Content

CVE ID: CVE-2012-3294

DESCRIPTION:
When using the web gateway, an authenticated user could visit a web page which contains malicious code that could reuse the user's authentication to the web gateway to perform actions for which that user is authorized.

CVSS:
CVSS Base Score: 4.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/77180 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:M/Au:N/C:N/I:P/A:N)

*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 Flash.

AFFECTED PLATFORMS: 
Version 7.0.4 and all previous versions of WebSphere MQ File Transfer Edition running on all platforms are affected. Version 7.5 of WebSphere MQ - Managed File Transfer running on all platforms is also affected by this vulnerability.

REMEDIATION: The recommended solution is, for users of the web gateway in the affected products, to apply the fix for each named product as soon as practical. Please see below for information on the fixes available.

FIX:
For IBM WebSphere MQ File Transfer Edition and IBM WebSphere MQ Managed File Transfer:

For all versions
- Contact IBM Technical Support requesting an interim fix for APAR IC85516. Note that older releases of WebSphere MQ File Transfer Edition will first need to be upgraded to 7.0.4 or later.

WORKAROUND:
None known; apply fixes. 

MITIGATION:
- When the web gateway is open, do not use your web browser to visit other websites.
- Do not use the web gateway component.

REFERENCES:
Complete CVSS Guide (http://www.first.org/cvss/v2/guide)
On-line Calculator V2 (http://nvd.nist.gov/cvss.cfm?calculator&adv&version=2)
X-Force Vulnerability Database (https://exchange.xforce.ibmcloud.com/vulnerabilities/77180)
CVE-2012-2206 (http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-3294)

ACKNOWLEDGEMENT:
The vulnerability was reported to IBM by Nir Valtman from Citadel Consulting (Israel).

CHANGE HISTORY:
08 August 2012: Original Copy Published


Note: 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.