Date: 14 March 2016
References: ESB-2015.3119 ESB-2016.0214 ESB-2016.0684
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AUSCERT External Security Bulletin Redistribution
Security Bulletin: A vulnerbility in Bouncy Castle affects
Rational Service Tester (CVE-2015-7940 )
14 March 2016
AusCERT Security Bulletin Summary
Product: IBM Rational Service Tester for SOA Quality
Operating System: Linux variants
Impact/Access: Access Privileged Data -- Remote/Unauthenticated
CVE Names: CVE-2015-7940
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Security Bulletin: A vulnerbility in Bouncy Castle affects Rational Service
Tester (CVE-2015-7940 )
More support for:
Rational Service Tester for SOA Quality
8.2, 184.108.40.206, 220.127.116.11, 18.104.22.168, 22.214.171.124, 126.96.36.199, 188.8.131.52, 8.2.1, 184.108.40.206,
220.127.116.11, 18.104.22.168, 22.214.171.124, 126.96.36.199, 8.3, 188.8.131.52, 184.108.40.206, 220.127.116.11, 8.5,
18.104.22.168, 22.214.171.124, 8.5.1, 126.96.36.199, 188.8.131.52, 184.108.40.206, 8.6, 220.127.116.11, 18.104.22.168,
8.7, 22.214.171.124, 126.96.36.199, 8.7.1, 188.8.131.52
Bouncy Castle could allow a remote attacker to obtain sensitive information,
caused by an invalid curve attack. An attacker could exploit this
vulnerability to extract private keys used in elliptic curve crytpography and
obtain sensitive information.
Bouncy Castle could allow a remote attacker to obtain sensitive information.
An attacker could exploit this vulnerability using an invalid curve attack to
extract private keys used in elliptic curve cryptography and obtain sensitive
CVSS Base Score: 5.3
CVSS Temporal Score: See
for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N)
Affected Products and Versions
RST versions 8.2.*, 8.3.*, 8.5.*, 8.6.*, 8.7.*.
It is strongly recommended to upgrade to RPT version 9.0.
For older releases, you can alternatively update the Bouncy Castle library
1) Download the bouncy castle version 1.5.3 ( the jar can be downloaded here
2) Locate the previous bouncy castle librarie delivered, this will be
typically at the following path:
for RPT v184.108.40.206.
3) Rename the bouncy castle jar version 1.5.3 downloaded to the name of the
previous delivered jar ( jce-jdk13-134.jar ).
4) Replace the old jar with the new one.
Workarounds and Mitigations
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to be notified of important product support alerts like this.
Complete CVSS v3 Guide
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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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