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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2014.1288 Security Bulletin: Vulnerability in Open Secure Shell for GPFS V3.5 on Windows (CVE-2014-1692) 1 August 2014 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: IBM General Parallel File System Publisher: IBM Operating System: Windows Impact/Access: Execute Arbitrary Code/Commands -- Remote/Unauthenticated Denial of Service -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2014-1692 Original Bulletin: http://www-01.ibm.com/support/docview.wss?uid=isg3T1020637 - --------------------------BEGIN INCLUDED TEXT-------------------- Security Bulletin: Vulnerability in Open Secure Shell for GPFS V3.5 on Windows (CVE-2014-1692) Document information More support for: General Parallel File System Software version: 3.5.0 Operating system(s): Windows Reference #: T1020637 Modified date: 2014-07-16 Security Bulletin Summary A security vulnerability has been identified in the level of OpenSSH that is currently shipped with GPFS V3.5.0.11, or later, on Windows. The current level of OpenSSH could allow a remote attacker to execute arbitrary code on the system to corrupt memory or cause a denial of service. Vulnerability Details CVE-2014-1692 OpenSSH could allow a remote attacker to execute arbitrary code on the system, caused by the failure to initialize certain data structures by the hash_buffer function in schnorr.c. An attacker could exploit this vulnerability using unknown attack vectors to corrupt memory and execute arbitrary code on the system or cause a denial of service. CVSS Base Score: 7.5 CVSS Temporal Score: See http://xforce.iss.net/xforce/xfdb/90819 for the current score CVSS Environmental Score*: Undefined CVSS Vector: (AV:N/AC:L/Au:N/C:P/I:P/A:P) Affected Products and Versions GPFS V3.5.0.11 or later levels of V3.5 on Windows. Remediation/Fixes In GPFS V3.5.0.19, IBM upgraded to OpenSSH-6.6p1 to address this vulnerability. System administrators should update their systems to GPFS V3.5.0.19, APAR IV60817 by following the steps below. 1. Download the GPFS 3.5.0.19 update package dated July 2014 into any directory on your system. From IBM at http://www-933.ibm.com/support/fixcentral/swg/selectFixes?parent=Cluster%2Bsoftware&product=ibm/power/IBM+General+Parallel+File+System&release=3.5.0&platform=Windows&function=all 2. Extract the contents of the ZIP archive so that the .msi file it includes is directly accessible to your system. 3. Follow the instructions in the README included in the update package in order to install the OpenSSH msi package. Workarounds and Mitigations none 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. - --------------------------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 auscert@auscert.org.au 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. The decision to follow or act on information or advice contained in this security bulletin is the responsibility of each user or organisation, and should be considered in accordance with your organisation's site policies and procedures. AusCERT takes no responsibility for consequences which may arise from following or acting on information or advice contained in this security bulletin. NOTE: This is only the original release of the security bulletin. It may not be updated when updates to the original are made. If downloading at a later date, it is recommended that the bulletin is retrieved directly from the author's website to ensure that the information is still current. Contact information for the authors of the original document is included in the Security Bulletin above. If you have any questions or need further information, please contact them directly. Previous advisories and external security bulletins can be retrieved from: http://www.auscert.org.au/render.html?cid=1980 =========================================================================== Australian Computer Emergency Response Team The University of Queensland Brisbane Qld 4072 Internet Email: auscert@auscert.org.au Facsimile: (07) 3365 7031 Telephone: (07) 3365 4417 (International: +61 7 3365 4417) AusCERT personnel answer during Queensland business hours which are GMT+10:00 (AEST). On call after hours for member emergencies only. =========================================================================== -----BEGIN PGP SIGNATURE----- Comment: http://www.auscert.org.au/render.html?it=1967 iQIVAwUBU9r0cBLndAQH1ShLAQLGDA/+PEqxgVZwppvfGRO2ghUi7t+HFaz1GNmm 3f+lzm7utUG0z1VJEXZLUS1xCCppd23s3v5WDXFbZyiNrXnyG5KjevEBX7z+/z83 3KOA9XeIGuyEbFeF4UKz9Gqjb+dnvSc/hPDUuE+NrUPjoMMfHJp8FBG+qHADr7CL 8rFRQQJlJf2uz/geUpR6ZXG+v7vaX8wfS6kbRsH7gCjaadP6WS9HEghVKvzB6MKF 2cGjTnhuJjxGydRpiTTlE+wyaIfTo7gdtYL1KzzVUwxma12tENgrWTJZTCVRi5s6 KW2h7O00ArUPuk1NvkNzbWt5U49aBMCuX2yL6T5vQ2r2P+fMoOQ1GBAGi2qQxqMX 6UhMdxqT0KWM76uJj2RZWgJy5Aag1Gr6CGG8F0qNQvVXG5AM4NVZqYOwiOTCqQYl zW6lkeff4Pq6/fYqUeMcrDwyL7HC6gItfmoqcczSMlZtUbuW1Zp7gzP0Asvf7Ehx y3wpy/o+joqlV66SDOGXeogcUY1WTtMnv6kLR4ITWwFWwzfjnlxGlBvwtNV14jCw QN2d38n9nvRuXgoXFPizDD6rzf+IXdkXjnklVFoVOHTFVOlvNXOXPYPpXk44nVmf +pDqre8XXtMmdnt8RbC3KkdaIwOHPH1GyGchTfsZxCJbMqLyPiC1Zh/lJnN9o29C Fno3WXbYajk= =mQHh -----END PGP SIGNATURE-----