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AUSCERT External Security Bulletin Redistribution
Security Bulletin: Vulnerability in OpenSSL affects IBM
PureApplication System (CVE-2017-3731)
27 June 2017
AusCERT Security Bulletin Summary
Product: IBM PureApplication System
Operating System: AIX
Impact/Access: Denial of Service -- Remote/Unauthenticated
CVE Names: CVE-2017-3731
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Security Bulletin: Vulnerability in OpenSSL affects IBM PureApplication System
More support for: PureApplication System
Software version: 188.8.131.52, 184.108.40.206, 220.127.116.11, 18.104.22.168, 22.214.171.124, 126.96.36.199,
188.8.131.52, 184.108.40.206, 220.127.116.11, 18.104.22.168, 22.214.171.124, 126.96.36.199, 188.8.131.52, 184.108.40.206
Operating system(s): AIX, Linux, Windows
Reference #: 2005135
Modified date: 26 June 2017
A potential denial of service vulnerability was reported by the OpenSSL
project. IBM PureApplication System addressed the applicable CVE.
DESCRIPTION: OpenSSL is vulnerable to a denial of service, caused by an
out-of-bounds read when using a specific cipher. By sending specially crafted
truncated packets, a remote attacker could exploit this vulnerability using
CHACHA20/POLY1305 to cause the application to crash.
CVSS Base Score: 5.3
CVSS Temporal Score: See
https://exchange.xforce.ibmcloud.com/vulnerabilities/121312 for the current
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)
Affected Products and Versions
IBM PureApplication System V2.2
IBM PureApplication System V2.1
The PureSystems Manager on IBM PureApplication System is affected. The
solution is to upgrade the IBM PureApplication System to the following fix
IBM PureApplication System V2.2:
Upgrade to IBM PureApplication System V2.2.3
IBM PureApplication System V2.1:
IBM recommends upgrading to a fixed version of the product.
Bluemix Local System is the evolution of the IBM PureApplication System Intel
Workarounds and Mitigations
Complete CVSS v3 Guide
On-line Calculator v3
IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog
22 June 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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