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AUSCERT External Security Bulletin Redistribution
ESB-2017.0394
Security Bulletin: Vulnerability in OpenSSL affect Rational
Tau (CVE-2016-2180)
10 February 2017
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: IBM Rational Tau
Publisher: IBM
Operating System: Windows
Impact/Access: Denial of Service -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2016-2180
Reference: ASB-2017.0005
ASB-2017.0001
ASB-2016.0120
ASB-2016.0098
ASB-2016.0095
Original Bulletin:
http://www.ibm.com/support/docview.wss?uid=swg21994132
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Security Bulletin: Vulnerability in OpenSSL affect Rational Tau
(CVE-2016-2180)
Security Bulletin
Document information
More support for:
Rational Tau
Documentation
Software version:
4.3, 4.3.0.1, 4.3.0.2, 4.3.0.3, 4.3.0.4, 4.3.0.5, 4.3.0.6
Operating system(s):
Windows
Reference #:
1994132
Modified date:
09 February 2017
Summary
OpenSSL vulnerabilities were disclosed by the OpenSSL Project. OpenSSL is
used by Rational Tau. Rational Tau has addressed the applicable CVEs.
Vulnerability Details
CVEID:
CVE-2016-2180
DESCRIPTION:
OpenSSL is vulnerable to a denial of service, caused by an out-of-bounds read
in the TS_OBJ_print_bio function. A remote attacker could exploit this
vulnerability using a specially crafted time-stamp file to cause the
application to crash.
CVSS Base Score: 7.5
CVSS Temporal Score: See
https://exchange.xforce.ibmcloud.com/vulnerabilities/115829
for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/
/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
Affected Products and Versions
4.3, 4.3.0.1, 4.3.0.2, 4.3.0.3, 4.3.0.4, 4.3.0.5, 4.3.0.6, 4.3.0.6 Interim
Fix 1, 4.3.0.6 Interim Fix 2, 4.3.0.6 Interim Fix 3, 4.3.0.6 Interim Fix 4,
4.3.0.6 Interim Fix 5, 4.3.0.6 Interim Fix 6, 4.3.0.6 Interim Fix 7
Remediation/Fixes
Upgrade to
Rational Tau Interim Fix 8 for 4.3.0.6
Workarounds and Mitigations
None
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References
Complete CVSS v3 Guide
On-line Calculator v3
Related information
IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog
Change History
09 February: original document 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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