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AUSCERT External Security Bulletin Redistribution
ESB-2017.1793
Security Bulletin: Vulnerability in OpenSSL affects IBM Sterling
Connect:Direct for Microsoft Windows (CVE-2017-3731)
21 July 2017
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AusCERT Security Bulletin Summary
---------------------------------
Product: IBM Sterling Connect:Direct for Microsoft Windows
Publisher: IBM
Operating System: Windows
Impact/Access: Denial of Service -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2017-3731
Reference: ESB-2017.1766
Original Bulletin:
http://www.ibm.com/support/docview.wss?uid=swg22005850
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Security Bulletin: Vulnerability in OpenSSL affects IBM Sterling
Connect:Direct for Microsoft Windows (CVE-2017-3731)
Security Bulletin
Document information
More support for:
Sterling Connect:Direct for Microsoft Windows
Software version:
4.6
Operating system(s):
Windows
Reference #:
2005850
Modified date:
19 July 2017
Summary
OpenSSL vulnerabilities were disclosed on January 26, 2017 by the OpenSSL
Project. OpenSSL is used by IBM Sterling Connect:Direct for Microsoft
Windows. IBM Sterling Connect:Direct for Microsoft Windows has addressed the
applicable CVEs.
Vulnerability Details
CVEID:
CVE-2017-3731
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 score
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 Sterling Connect:Direct for Microsoft Windows 4.6.0.0 through
4.6.0.6_iFix016
Remediation/Fixes
Product VRMF APAR Remediation/First Fix
IBM Sterling Connect:Direct for Microsoft Windows 4.6.0 IT21346 Apply 4.6.0.6_iFix017, available on Fix Central
For older versions/releases IBM recommends upgrading to a fixed, supported
version/release of the product.
Workarounds and Mitigations
None
Get Notified about Future Security Bulletins
Subscribe to My Notifications to be notified of important product support
alerts like this.
Important note
IBM strongly suggests that all System z customers be subscribed to the System
z Security Portal to receive the latest critical System z security and
integrity service. If you are not subscribed, see the instructions on the
System z Security web site . Security and integrity APARs and associated
fixes will be posted to this portal. IBM suggests reviewing the CVSS scores
and applying all security or integrity fixes as soon as possible to minimize
any potential risk.
References
Complete CVSS v3 Guide
On-line Calculator v3
Related information
IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog
Change History
19 July 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.
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.
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