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             AUSCERT External Security Bulletin Redistribution

                               ESB-2014.1998
  Security Bulletin: Security vulnerabilities have been identified in IBM
             WebSphere Sensor Events version 7 (CVE-2014-3566)
                              30 October 2014

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

Product:           IBM WebSphere Sensor Events
Publisher:         IBM
Operating System:  Windows
Impact/Access:     Access Confidential Data -- Remote with User Interaction
                   Reduced Security         -- Remote with User Interaction
Resolution:        Mitigation
CVE Names:         CVE-2014-3566  

Original Bulletin: 
   http://www-01.ibm.com/support/docview.wss?uid=swg21688553

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Security Bulletin: Security vulnerabilities have been identified in IBM 
WebSphere Sensor Events version 7 (CVE-2014-3566)

Security Bulletin

Document information

More support for:

WebSphere Sensor Events

Software version:

7.0

Operating system(s):

Windows

Software edition:

Advanced

Reference #:

1688553

Modified date:

2014-10-29

Summary

SSLv3 contains a vulnerability that has been referred to as the Padding Oracle
On Downgraded Legacy Encryption (POODLE) attack.

Support for SSL v3.0 remains widespread and many clients who support TLS 
implement a protocol downgrade to work around bugs in HTTPS servers, therefore
browsers will retry failed connections with older protocol versions, including
SSL v3.0.

Because a network attacker can cause connection failures, the attacker can 
trigger the use of SSL v3.0 and then exploit this issue.

Vulnerability Details

CVE ID: CVE-2014-3566

Description: Products that are bundled with IBM WebSphere Sensor events (IBM 
WebSphere Application Server, IBM HTTP Server) could allow a remote attacker 
to obtain sensitive information, caused by a design error when using the SSLv3
protocol. A remote user with the ability to conduct a man-in-the-middle attack
could exploit this vulnerability via a POODLE attack to decrypt SSL sessions 
and access the plain text of encrypted connections.

CVSS Base Score: 4.3

CVSS Temporal Score: See http://xforce.iss.net/xforce/xfdb/97013 for the 
current score

CVSS Environmental Score*: Undefined

CVSS Vector: (AV:N/AC:M/Au:N/C:P/I:N/A:N)

Remediation/Fixes

None

Workarounds and Mitigations

To mitigate the issue, IBM recommends disabling SSL 3.0 support, or CBC-mode 
ciphers with SSL 3.0, on both the client and server side. IBM WSE 7.0 source 
code is not affected by this vulnerability directly, however some of the 
products that are bundled with WSE 7.0 are.

All customers are advised to take following steps:

1) Disable SSL 3.0 support in your internet browser by using the following 
instructions:

Mozilla Firefox

a. Install the Mozilla add-on called SSL Version Control

Or

a. Enter about:config into the navigation bar and press Enter.

b. Accept the warning and proceed.

c. Search for tls.

d. Change the value of security.tls.version.min from 0 to 1 (0 = SSL 3.0; 1 =
TLS 1.0).

Google Chrome

a. Run Chrome with the following command-line flag: --ssl-version-min=tls1

Internet Explorer

a. Go to Settings -> Internet Options -> Advanced Tab

b. Under Security, deselect SSLv3.

2) Disable SSL 3.0 support in IBM WebSphere Application Server using the 
information provided in the following technote: 
http://www-01.ibm.com/support/docview.wss?uid=swg21687173

3) Disable SSL 3.0 support in IBM HTTP Server using the information provided 
in the following technote: 
http://www-01.ibm.com/support/docview.wss?uid=swg21687172

References

Complete CVSS Guide

On-line Calculator V2

Related information

IBM Secure Engineering Web Portal

IBM Product Security Incident Response Blog

*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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