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AUSCERT External Security Bulletin Redistribution
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
Operating System: Windows
Impact/Access: Execute Arbitrary Code/Commands -- Remote/Unauthenticated
Denial of Service -- Remote/Unauthenticated
CVE Names: CVE-2014-1692
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Security Bulletin: Vulnerability in Open Secure Shell for GPFS V3.5 on
More support for:
General Parallel File System
A security vulnerability has been identified in the level of OpenSSH that
is currently shipped with GPFS V22.214.171.124, 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.
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
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:L/Au:N/C:P/I:P/A:P)
Affected Products and Versions
GPFS V126.96.36.199 or later levels of V3.5 on Windows.
In GPFS V188.8.131.52, IBM upgraded to OpenSSH-6.6p1 to address this
vulnerability. System administrators should update their systems to GPFS
V184.108.40.206, APAR IV60817 by following the steps below.
1. Download the GPFS 220.127.116.11 update package dated July
2014 into any directory on your system. From IBM at
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
Complete CVSS Guide
On-line Calculator V2
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.
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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