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AUSCERT External Security Bulletin Redistribution
ESB-2015.0911
Security Bulletin:Vulnerabilities in IBM WebSphere Application Server and
GSKit affects Cognos Business Intelligence (CVE-2015-0138, CVE-2015-0159)
8 April 2015
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AusCERT Security Bulletin Summary
---------------------------------
Product: IBM Cognos Business Intelligence
Publisher: IBM
Operating System: AIX
HP-UX
Linux variants
Solaris
Windows
Impact/Access: Access Privileged Data -- Remote/Unauthenticated
Provide Misleading Information -- Remote/Unauthenticated
Reduced Security -- Unknown/Unspecified
Resolution: Patch/Upgrade
CVE Names: CVE-2015-0159 CVE-2015-0138
Reference: ESB-2015.0910
ESB-2015.0908
ESB-2015.0907
ESB-2015.0632
ESB-2015.0589
ESB-2015.0542
Original Bulletin:
http://www-01.ibm.com/support/docview.wss?uid=swg21701210
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Security Bulletin:Vulnerabilities in IBM WebSphere Application Server and
GSKit affects Cognos Business Intelligence (CVE-2015-0138, CVE-2015-0159)
Document information
More support for:
Cognos Business Intelligence
Software version:
10.2.2
Operating system(s):
AIX, HP Itanium, HP-UX, Linux, Solaris, Windows
Reference #:
1701210
Modified date:
2015-04-07
Security Bulletin
Summary
The "FREAK: Factoring Attack on RSA-EXPORT keys" TLS/SSL client and server
vulnerability affects IBM WebSphere Application Server Liberty Profile
Version 8.5 that is used by IBM Cognos Business Intelligence Server 10.2.2
A security vulnerability has been discovered in GSKit 8.0 used by IBM
Cognos Business Intelligence Server 10.2.2
Vulnerability Details
CVEID: CVE-2015-0138
DESCRIPTION: A vulnerability in various IBM SSL/TLS implementations could
allow a remote attacker to downgrade the security of certain SSL/TLS
connections. An IBM SSL/TLS client implementation could accept the use of
an RSA temporary key in a non-export RSA key exchange ciphersuite. This
could allow a remote attacker using man-in-the-middle techniques to
facilitate brute-force decryption of TLS/SSL traffic between vulnerable
clients and servers.
This vulnerability is also known as the FREAK attack.
CVSS Base Score: 4.3
CVSS Temporal Score: See
http://exchange.xforce.ibmcloud.com/#/vulnerabilities/100691 for the
current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:M/Au:N/C:N/I:P/A:N)
CVEID: CVE-2015-0159
DESCRIPTION: An unspecified error in GSKit usage of OpenSSL crypto function
related to the production of incorrect results on some platforms by
Bignum squaring BN_sqr) has an unknown attack vector and impact in some
ECC operations.
CVSS Base Score: 2.6
CVSS Temporal Score: See
https://exchange.xforce.ibmcloud.com/#/vulnerabilities/100835 for the
current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:H/Au:N/C:N/I:P/A:N)
Affected Products and Versions
IBM Cognos Business Intelligence Server 10.2.2
Remediation/Fixes
IBM Cognos Business Intelligence 10.2, 10.2.1x and 10.2.2 Fixes
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
Acknowledgement
The vulnerability (CVE-2015-0138) was reported to IBM by Karthikeyan
Bhargavan of the PROSECCO team at INRIA
Change History
Original Version Published April 2, 2015
Update Published April 4, 2015
*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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