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Security Bulletin: There is a vulnerability in IBM Java SDK that affects Rational Developer for System z (CVE-2014-3566)

Created by Sandra Liles on
Published URL:
https://www.ibm.com/support/pages/node/521487
521487

Security Bulletin


Summary

There is a vulnerability in IBM SDK Java Technology Edition, Versions 6 and 7, which are used by Rational Developer for System z. This includes the Padding Oracle On Downgraded Legacy Encryption (POODLE) SSLv3 vulnerability (CVE-2014-3566). This was disclosed as part of the IBM Java SDK updates in October 2014.

Vulnerability Details

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CVE-ID: CVE-2014-3566

Description: Product could allow a remote attacker to obtain sensitive information, caused by a design error when using the SSLv3 protocol. A remote user with the ability to conduct a man-in-the-middle attack could exploit this vulnerability via a POODLE (Padding Oracle On Downgraded Legacy Encryption) attack to decrypt SSL sessions and access the plaintext of encrypted connections.

CVSS Base Score: 4.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/97013 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:M/Au:N/C:P/I:N/A:N)

Affected Products and Versions

Principal Product and Version(s)

Affected Supporting Product and Version
Rational Developer for System z, versions 8.5.x, 9.0.x and 9.1.x
  • IBM SDK, Java Technology Edition, Version 6R1 Service Refresh 8 Fix Pack 1 and earlier
  • IBM SDK, Java Technology Edition, Version 7 Service Refresh 7 and earlier
  • IBM SDK, Java Technology Edition, Version 7R1 Service Refresh 1 and earlier

Remediation/Fixes

Upgrade to one of the following releases:

IBM recommends that you review your entire environment to identify areas that enable the SSLv3 protocol and take appropriate mitigation and remediation actions. The most immediate mitigation action that can be taken is disabling SSLv3. You should verify disabling SSLv3 does not cause any compatibility issues.

ATTENTION: Changes on both client and host are required, and these must happen simultaneously.

For help with the changes needed on the AIX, Linux and zLinux server portion of Rational Developer for System z please go to http://www.ibm.com/support/docview.wss?uid=swg27044448 .

Workarounds and Mitigations

None

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Important Note

IBM strongly suggests that all System z customers be subscribed to the System z Security Portal to receive the latest critical System z security and integrity service. If you are not subscribed, see the instructions on the System z Security web site. Security and integrity APARs and associated fixes will be posted to this portal. IBM suggests reviewing the CVSS scores and applying all security or integrity fixes as soon as possible to minimize any potential risk.

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

None

Change History

* 10 December 2014: Original copy 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:
27 October 2020

UID

swg21692300

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