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AUSCERT External Security Bulletin Redistribution
ESB-2015.0052
Security Bulletin: TLS padding vulnerability affects IBM
Algo One (CVE-2014-8730)
9 January 2015
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AusCERT Security Bulletin Summary
---------------------------------
Product: IBM Algo One
Publisher: IBM
Operating System: AIX
Linux variants
Solaris
Windows
Impact/Access: Access Privileged Data -- Remote with User Interaction
Reduced Security -- Remote with User Interaction
Resolution: Patch/Upgrade
CVE Names: CVE-2014-8730
Original Bulletin:
http://www-01.ibm.com/support/docview.wss?uid=swg21693153
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Security Bulletin: TLS padding vulnerability affects IBM Algo One
(CVE-2014-8730)
Document information
More support for:
Algo One
Software version:
5.0
Operating system(s):
AIX, Linux, Solaris, Windows
Reference #:
1693153
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 Algo One.
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 Algo One 5.0.0
Remediation/Fixes
IBM has provided patches for all affected versions. Follow the installation
instructions in the README files included with the patch.
Patch Number AlgoBin 500-126
Download URL
http://www.ibm.com/support/fixcentral/swg/quickorder?parent=ibm~Information+Management&product=ibm/Information+Management/Algo+One&release=All&platform=All&function=fixId&fixids=5.0.0.0-Algo-One-if0126:0&includeSupersedes=0&source=fc&login=true
Workarounds and Mitigations
None known, apply fixes.
Get Notified about Future Security Bulletins
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alerts like this.
References
Complete CVSS Guide
On-line Calculator V2
Related information
IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog
Change History
09 Jan 2015: 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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