Security Bulletin: Incorrect SSL protocol variant in SCA HTTP binding affecting WebSphere Enterprise Service Bus, WebSphere Process Server and IBM Business Process Manager Advanced (CVE-2014-6176)

Security Bulletin

Summary

The HTTP import binding in an SCA module can be configured with a reference to a SSL configuration that exists on the application server. The HTTP binding uses always the SSLv3 protocol variant regardless of the SSL protocol setting in the referenced SSL configuration.

Vulnerability Details

CVE-ID: CVE-2014-6176

CVSS Base Score: 4.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/98488 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:M/Au:N/C:P/I:N/A:N)

IBM WebSphere Process Server, IBM WebSphere Enterprise Service Bus, IBM Business Process Manager could provide weaker than expected security, caused by the weak SSL ciphers for encryption. An attacker could exploit this vulnerability to obtain sensitive information used to launch further attacks on the system.

Affected Products and Versions

WebSphere Process Server V7.0
WebSphere Enterprise Service Bus V7.0
IBM Business Process Manager Advanced V7.5.x, 8.0.x 8.5.x

If you are on earlier unsupported releases, IBM strongly recommends to upgrade.

Remediation/Fixes

Install the interim fix for APAR JR51593 as appropriate for your current product version. Customers of WebSphere Enterprise Service Bus can install fixes for WebSphere Process Server V7.0 or IBM Business Process Manager V7.5 and later - matching their version number of WebSphere Enterprise Service Bus.

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

Off

Change History

2014-12-12 - initial 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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Tips

Security Bulletin: Incorrect SSL protocol variant in SCA HTTP binding affecting WebSphere Enterprise Service Bus, WebSphere Process Server and IBM Business Process Manager Advanced (CVE-2014-6176)