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AUSCERT External Security Bulletin Redistribution
Security Bulletin: Vulnerability in OpenSSH affects IBM
DataPower Gateways (CVE-2017-15906)
28 March 2018
AusCERT Security Bulletin Summary
Product: IBM DataPower Gateways
Operating System: Network Appliance
Impact/Access: Denial of Service -- Existing Account
CVE Names: CVE-2017-15906
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Security Bulletin: Vulnerability in OpenSSH affects IBM DataPower Gateways
More support for: IBM DataPower Gateways
Software version: 7.5.2, 7.6
Operating system(s): Firmware
Software edition: Edition Independent
Reference #: 2014534
Modified date: 27 March 2018
A potential Denial of Service vulnerability exists in OpenSSH. IBM DataPower
Gateways has addressed the applicable CVE.
DESCRIPTION: OpenSSH is vulnerable to a denial of service, caused by an error
in the process_open() function when in read-only mode. A remote authenticated
attacker could exploit this vulnerability to create zero-length files and cause
a denial of service.
CVSS Base Score: 6.5
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/
133128 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)
Affected Products and Versions
IBM DataPower Gateways appliances, versions 18.104.22.168-22.214.171.124, 126.96.36.199-188.8.131.52
Fix is available in versions 184.108.40.206 and 220.127.116.11. Refer to APAR IT24256 for
URLs to download the fix.
You should verify applying this fix does not cause any compatibility issues.
Workarounds and Mitigations
Additional Bluemix Alert Information
Monitor the Bluemix console (https://console.ng.bluemix.net/status/) for
additional important product alerts.
Complete CVSS v3 Guide
On-line Calculator v3
IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog
23 March 2017 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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