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AUSCERT External Security Bulletin Redistribution
ESB-2014.1950
Vulnerability in SSLv3 affects IBM Platform Symphony (CVE-2014-3566)
24 October 2014
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AusCERT Security Bulletin Summary
---------------------------------
Product: IBM Platform Symphony
Publisher: IBM
Operating System: Windows
Linux variants
Solaris
AIX
Impact/Access: Access Confidential Data -- Remote with User Interaction
Reduced Security -- Remote with User Interaction
Resolution: Mitigation
CVE Names: CVE-2014-3566
Reference: ASB-2014.0122
ESB-2014.1947
ESB-2014.1944
ESB-2014.1942
ESB-2014.1929
ESB-2014.1922
ESB-2014.1920
ESB-2014.1896
ESB-2014.1869
ESB-2014.1868.2
ESB-2014.1858
Original Bulletin:
http://www-01.ibm.com/support/docview.wss?uid=isg3T1021415
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Security Bulletin: Vulnerability in SSLv3 affects IBM Platform Symphony
(CVE-2014-3566)
Security Bulletin
Document information
More support for:
Platform Symphony
Software version:
5.2, 5.2.0, 6.1.0, 6.1.1
Operating system(s):
Platform Independent
Reference #:
T1021415
Modified date:
2014-10-21
Summary
SSLv3 contains a vulnerability that has been referred to as the Padding
Oracle On Downgraded Legacy Encryption (POODLE) attack. SSLv3 is enabled
in Platform Symphony.
Vulnerability Details
CVE-ID: CVE-2014-3566
DESCRIPTION: Product 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 (Padding Oracle On Downgraded
Legacy Encryption) attack to decrypt SSL sessions and access the plaintext
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)
Affected Products and Versions
IBM Platform Symphony v5.2, v6.1.x
Remediation/Fixes
None
Workarounds and Mitigations
IBM recommends that you review your entire environment to identify other
areas that enable the SSLv3 protocol and take appropriate mitigation such
as disabling SSLv3 and remediation actions.
Complete the steps below to use a RC4 cipher such as RC4-MD5 or RC4-SHA.
1. Open the ego.conf file on the management host using a text editor. The
location of the file is defined in the EGO_CONFDIR environment variable.
2. Set the EGO_TRANSPORT_SECURITY parameter to SSL.
3. Set EGO_DEFAULT_TS_PARAMS.
For example:
(Linux/UNIX)
EGO_DEFAULT_TS_PARAMS="SSL[CERTIFICATE=/etc/symcert.pem,CIPHER=EDH-RSA-DES-CBC3-SHA,PRIVATE_KEY=/etc/symkey.pem]"
(Windows)
EGO_DEFAULT_TS_PARAMS="SSL[CERTIFICATE=C:\xxc\newcert.pem,CIPHER=EDH-RSA-DES-CBC3-SHA,PRIVATE_KEY=C:\xxc\newkey.pem]"
Note: In most cases, EGO_KyesD_TS_PARAMS and ESC_TS_PARAMS do not need to
be defined as VEMKD and the Service Controller will use the SSL parameters
in EGO_DEFAULT_TS_PARAMS by default.
4. Assign a SSL port number to the EGO_KD_TS_PORT parameter.
5. Open the ego.conf file on the client host using a text editor.
6. For EGO_CLIENT_TS_PARAMS, enable server authentication.
For example:
(Linux/UNIX)
EGO_CLIENT_TS_PARAMS="SSL[CAFILE=/home/.../cacert.pem,
CIPHER=EDH-RSA-DES-CBC3-SHA,SERVER_AUTH={myCN}"
(Windows)
EGO_CLIENT_TS_PARAMS="SSL[CIPHER=EDH-RSA-DES-CBC3-
SHA,CAFILE=C:\xxc\demoCA\cacert.pem,SERVER_AUTH={myCN}]"
7. Open the sd.xml file on the management host using an XML editor.
8. Set the SD_SDK_TRANSPORT parameter to TCPIPv4SSL (SSL driver on
TCP/IPv.4).
9. Set the SD_SDK_TRANSPORT_ARG parameter to $EGO_DEFAULT_TS_PARAMS.
10. Set SSM_SDK_TRANSPORT parameter to TCPIPv4SSL (SSL driver on TCP/IPv.4).
11. Set SSM_SDK_TRANSPORT_ARG parameter to $EGO_DEFAULT_TS_PARAMS.
12. Set the SDK_TRANSPORT parameter to TCPIPv4SSL (SSL driver on TCP/IPv.4).
13. Set SDK_TRANSPORT_ARG to $EGO_CLIENT_TS_PARAMS.
14. For the Platform Symphony 6.1.1 security patch, to enable SSL connection
between SSM and SIM, the format for SSM_SDK_TRANSPORT_ARG parameter is
the same as EGO_DEFAULT_TS_PARAMS while the format for SDK_TRANSPORT_ARG
parameter is the same as EGO_CLIENT_TS_PARAMS.
15. For the Platform Symphony 6.1.1 security patch, to configure application
data integrity and privacy, set the value of client side environment
variable SOAM_SET_CIPHER_SECURE_DDT to RC4-MD5 or RC4-SHA.
References
Complete CVSS Guide
On-line Calculator V2
Complete CVSS Guide
On-line Calculator V2
Related information
IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog
IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog
Subscribe to Security Bulletins
Acknowledgement
None
Change History
21, October, 2014 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.
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