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AUSCERT External Security Bulletin Redistribution
Security Bulletin: TLS padding vulnerability affects IBM
Algo One (CVE-2014-8730)
9 January 2015
AusCERT Security Bulletin Summary
Product: IBM Algo One
Operating System: AIX
Impact/Access: Access Privileged Data -- Remote with User Interaction
Reduced Security -- Remote with User Interaction
CVE Names: CVE-2014-8730
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Security Bulletin: TLS padding vulnerability affects IBM Algo One
More support for:
AIX, Linux, Solaris, Windows
Transport Layer Security (TLS) padding vulnerability via a POODLE (Padding
Oracle On Downgraded Legacy Encryption) like attack affects IBM Algo One.
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
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
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
Workarounds and Mitigations
None known, apply fixes.
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Complete CVSS Guide
On-line Calculator V2
IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog
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.
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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