14 May 2015
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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2015.1315 Security Bulletin: Vulnerabilities in GSKit and IBM WebSphere Application Server affect IBM Cognos Controller 10.2.1 (CVE-2015-0159, CVE-2015-0138) 14 May 2015 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: IBM Cognos Controller Publisher: IBM Operating System: Windows Impact/Access: Access Privileged Data -- Remote/Unauthenticated Provide Misleading Information -- Remote/Unauthenticated Reduced Security -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2015-0159 CVE-2015-0138 Reference: ESB-2015.0735 ESB-2015.0728 ESB-2015.0724 ESB-2015.0723 ESB-2015.0720 ESB-2015.0719 ESB-2015.0714 ESB-2015.0683 ESB-2015.0647 ESB-2015.0646 ESB-2015.0644 ESB-2015.0632.2 ESB-2015.0589 ESB-2015.0542 Original Bulletin: http://www-01.ibm.com/support/docview.wss?uid=swg21903084 - --------------------------BEGIN INCLUDED TEXT-------------------- Security Bulletin: Vulnerabilities in GSKit and IBM WebSphere Application Server affect IBM Cognos Controller 10.2.1 (CVE-2015-0159, CVE-2015-0138) Security Bulletin Document information More support for: Cognos Controller Software version: 10.2.1 Operating system(s): Windows Reference #: 1903084 Modified date: 2015-05-13 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 Controller 10.2.1. GSKit 8.0 is an IBM component that is used by IBM Cognos Controller 10.2.1. The GSKit that is shipped with IBM Cognos Controller 10.2.1 contains a security vulnerability and IBM Cognos Controller has addressed the applicable CVE. 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 http://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 Controller 10.2.1 Remediation/Fixes IBM Cognos Controller 10.2.1 Interim Fix Workarounds and Mitigations None Get Notified about Future Security Bulletins Subscribe to My Notifications to be notified of important product support alerts like this. 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: May 12, 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. - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. The mailing list you are subscribed to is maintained within your organisation, so if you do not wish to continue receiving these bulletins you should contact your local IT manager. If you do not know who that is, please send an email to firstname.lastname@example.org and we will forward your request to the appropriate person. NOTE: Third Party Rights This security bulletin is provided as a service to AusCERT's members. As AusCERT did not write the document quoted above, AusCERT has had no control over its content. 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