IBM Support

Security Bulletin: Current release of IBM® WebSphere Real Time is affected by CVE-2015-0138

Created by Paul Cheeseman on
Published URL:
https://www.ibm.com/support/pages/node/259913
259913

Security Bulletin


Summary

"FREAK: Factoring Attack on RSA-EXPORT keys" TLS/SSL client and server vulnerability.

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

This vulnerability affects IBM WebSphere Real Time Version 3 Service Refresh 8 Fix Pack 10 and earlier releases

Remediation/Fixes

The fixes for these vulnerabilities are included in IBM WebSphere Real Time Version 3 Service Refresh 9.

In addition, an iFix release based on Service Refresh 8 Fix Pack 10 is available.

IBM customers should download WebSphere Real Time updates from Fix Central.

The APAR for this fix is IV70681.

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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

Change History

31 March 2015: 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.

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:
15 June 2018

UID

swg21700996

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