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AUSCERT External Security Bulletin Redistribution
ESB-2015.0050
Security Bulletin: TLS padding vulnerability affects IBM
MessageSight (CVE-2014-8730)
9 January 2015
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AusCERT Security Bulletin Summary
---------------------------------
Product: IBM MessageSight
Publisher: IBM
Operating System: Windows
UNIX variants (UNIX, Linux, OSX)
Impact/Access: Access Privileged Data -- Remote with User Interaction
Reduced Security -- Remote with User Interaction
Resolution: Patch/Upgrade
CVE Names: CVE-2014-8730
Reference: ESB-2015.0036
ESB-2015.0027
ESB-2015.0016
ESB-2015.0012
ESB-2014.2520
Original Bulletin:
http://www-01.ibm.com/support/docview.wss?uid=swg21693257
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Security Bulletin: TLS padding vulnerability affects IBM MessageSight
(CVE-2014-8730)
Document information
More support for:
IBM MessageSight
MQ Connectivity
Software version:
1.1, 1.2
Operating system(s):
Platform Independent
Reference #:
1693257
Modified date:
2015-01-08
Security Bulletin
Summary
Transport Layer Security (TLS) padding vulnerability via a POODLE (Padding
Oracle On Downgraded Legacy Encryption) like attack affects IBM MessageSight.
Vulnerability Details
CVE-ID: CVE-2014-8730
DESCRIPTION:
Product could allow a remote attacker to obtain sensitive information,
caused by the failure to check the contents of the padding bytes when
using CBC cipher suites of some TLS implementations. 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)
like attack to decrypt sensitive information and calculate the plaintext
of secure connections.
CVSS Base Score: 4.3
CVSS Temporal Score: See http://xforce.iss.net/xforce/xfdb/99216 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 MessageSight 1.2 and earlier.
Remediation/Fixes
Product VRMF APAR Remediation/First Fix
IBM MessageSight 1.1 IT06285 Available on Fix Central.
Fix ID: 1.1.0.1-IBM-IMA-IFIT06285
IBM MessageSight 1.2 IT06285 Available on Fix Central.
Fix ID: 1.2.0.0-IBM-IMA-IFIT06285
Workarounds and Mitigations
None
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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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