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Security Bulletin: Multiple vulnerabilities in IBM Java SDK affect Rational Service Tester (CVE-2015-7575, CVE-2016-0475)

Security Bulletin


There are multiple vulnerabilities in IBM® SDK Java™ Technology Edition, Version 7 & 8 that is used by Rational Service Tester. These issues were disclosed as part of the IBM Java SDK updates in January 2016 and includes the vulnerability commonly referred to as “SLOTH”.

Vulnerability Details

CVEID: CVE-2016-0475
An unspecified vulnerability related to the Libraries component has partial confidentiality impact, partial integrity impact, and no availability impact.
CVSS Base Score: 5.8
CVSS Temporal Score: See for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:M/Au:N/C:P/I:P/A:N)

CVEID: CVE-2015-7575
The TLS protocol could allow weaker than expected security caused by a collision attack when using the MD5 hash function for signing a ServerKeyExchange message during a TLS handshake. An attacker could exploit this vulnerability using man-in-the-middle techniques to impersonate a TLS server and obtain credentials. This vulnerability is commonly referred to as “SLOTH”.
CVSS Base Score: 7.1
CVSS Temporal Score: See for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N)

Affected Products and Versions

Rational Service Tester versions 8.3.x, 8.5.x, 8.6.x, 8.7.x and 9.0


Updating to version is strongly recommended.

ProductVRMFAPARRemediation/First Fix
RPT Workbench9.0None
RPT Agent9.0NoneDownload
RPT8.7 - 8.7.xNoneDownload
RPT8.6 - 8.6.xNoneDownload
RPT8.5 - 8.5.xNoneDownload
RPT8.3 -8.3.xNoneDownload

Workarounds and Mitigations


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CVE-2015-7575 was reported to IBM by Karthikeyan Bhargavan at INRIA in Paris, France

Change History

4 May 2016: 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.

[{"Product":{"code":"SSNKWF","label":"Rational Service Tester for SOA Quality"},"Business Unit":{"code":"BU053","label":"Cloud & Data Platform"},"Component":"Test Execution","Platform":[{"code":"PF016","label":"Linux"},{"code":"PF033","label":"Windows"}],"Version":"8.3;;;;8.5;;;8.5.1;;;;8.6;;;8.7;;;8.7.1;;9.0.0","Edition":""}]

Document Information

Modified date:
17 June 2018