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AUSCERT External Security Bulletin Redistribution
Security Bulletin: Vulnerability in IBM Java SDK affects
Rational Service Tester (CVE-2015-0138)
2 April 2015
AusCERT Security Bulletin Summary
Product: IBM Rational Service Tester
Operating System: Linux variants
Impact/Access: Access Privileged Data -- Remote/Unauthenticated
Provide Misleading Information -- Remote/Unauthenticated
CVE Names: CVE-2015-0138
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Security Bulletin: Vulnerability in IBM Java SDK affects Rational Service
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
The FREAK: Factoring Attack on RSA-EXPORT keys" TLS/SSL client and server
vulnerability affects IBM SDK Java Technology Edition, Version 5, 6 and 7 that
is used by Rational Service Tester related to the use of TLS/SSL.
DESCRIPTION: A vulnerability in various IBM SSL/TLS implementations could
allow a remote attacker to downgrade the security of certain SSL/TLS
connections. An IBM SSL/TLS client implementation could accept the use of an
RSA temporary key in a non-export RSA key exchange ciphersuite. This could
allow a remote attacker using man-in-the-middle techniques to facilitate
brute-force decryption of TLS/SSL traffic between vulnerable clients and
servers. This vulnerability is also known as the FREAK attack.
CVSS Base Score: 4.3
CVSS Temporal Score: See
http://exchange.xforce.ibmcloud.com/#/vulnerabilities/100691 for the current
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:M/Au:N/C:N/I:P/A:N)
Affected Products and Versions
Rational Service Tester versions 8.2.*, 8.3.*, 8.5.*, 8.6.* and 8.7.
A fix is available as described below
Product VRMF APAR Remediation/First Fix
RST 8.7 None Download Java 7 SR8 FP10 +IV70681
RST 8.6 - 8.6.x None Download Java 7 SR8 FP10 +IV70681
RST 8.5 - 8.5.x None Download Java 7 SR8 FP10 +IV70681
RST 8.3 - 8.3.x None Download Java 7 SR8 FP10 +IV70681
RST 8.2 - 8.2.1.x None Download Java 7 SR8 FP10 +IV70681
Workarounds and Mitigations
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alerts like this.
Complete CVSS Guide
On-line Calculator V2
IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog
The vulnerability was reported to IBM by Karthikeyan Bhargavan of the PROSECCO
team at INRIA
*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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