Security Bulletin: A vulnerability in IBM Java SDK affects IBM PureApplication System. (CVE-2015-7575)

Security Bulletin

Summary

There is a vulnerability in IBM® SDK Java™ Technology Edition, Version 6 and 7, that is used by IBM PureApplication System. The issue was disclosed as part of the IBM Java SDK updates in January 2016 and this vulnerability is commonly referred to as “SLOTH”.

Vulnerability Details

CVEID: CVE-2015-7575
DESCRIPTION: 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 https://exchange.xforce.ibmcloud.com/vulnerabilities/109415 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/UI:U/C:H/I:L/A:N)

Affected Products and Versions

IBM PureApplication System 2.1
IBM PureApplication System 2.0

Remediation/Fixes

The PureSystems Manager on IBM PureApplication System is affected. The solution is to upgrade the IBM PureApplication System to the following fix level:

IBM PureApplication System V2.1:
Upgrade to IBM PureApplication System V2.1.2.1

IBM PureApplication System V2.0:
Upgrade to IBM PureApplication System V2.0.0.1 Interim Fix 7

Workarounds and Mitigations

None

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References

Complete CVSS v2 Guide
On-line Calculator v2

Complete CVSS v3 Guide
On-line Calculator v3

Off

Acknowledgement

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

Change History

29 February 2016: Original version published
25 March 2016: Amended to include V2.0

*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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Tips

Security Bulletin: A vulnerability in IBM Java SDK affects IBM PureApplication System. (CVE-2015-7575)