IBM Support

Security Bulletin: Vulnerability in IBM Java SDK affects Rational Service Tester (CVE-2015-0138)

Created by Kevin Mooney on
Published URL:
https://www.ibm.com/support/pages/node/259825
259825

Security Bulletin


Summary

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.

Vulnerability Details

CVEID: CVE-2015-0138
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 score
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.

Remediation/Fixes

A fix is available as described below

ProductVRMFAPARRemediation/First Fix
RST8.7NoneDownload Java 7 SR8 FP10 +IV70681
RST8.6 - 8.6.xNoneDownload Java 7 SR8 FP10 +IV70681
RST8.5 - 8.5.xNoneDownload Java 7 SR8 FP10 +IV70681
RST8.3 - 8.3.xNoneDownload Java 7 SR8 FP10 +IV70681
RST8.2 - 8.2.1.xNoneDownload Java 7 SR8 FP10 +IV70681

Workarounds and Mitigations

None

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References

Complete CVSS v2 Guide
On-line Calculator v2

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Related Information

IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

Acknowledgement

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.

Disclaimer

Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.

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Document Information

Modified date:
17 June 2018

UID

swg21700933

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