IBM Support

Security Bulletin: Vulnerability in RC4 stream cipher affects WebSphere Lombardi Edition and IBM Business Process Manager (CVE-2015-2808)

Created by Jens Engelke on
Published URL:
https://www.ibm.com/support/pages/node/261469
261469

Security Bulletin


Summary

The RC4 “Bar Mitzvah” attack for SSL/TLS affects IBM WebSphere Application Server that is used by WebSphere Lombardi Edition (WLE) and IBM Business Process Manager.

Vulnerability Details

CVEID: CVE-2015-2808
DESCRIPTION: The RC4 algorithm, as used in the TLS protocol and SSL protocol, could allow a remote attacker to obtain sensitive information. An attacker could exploit this vulnerability to remotely expose account credentials without requiring an active man-in-the-middle session. Successful exploitation could allow an attacker to retrieve credit card data or other sensitive information. This vulnerability is commonly referred to as "Bar Mitzvah Attack".
CVSS Base Score: 5
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/101851 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:L/Au:N/C:P/I:N/A:N)

Affected Products and Versions

  • IBM Business Process Manager V7.5.x through V8.5.6.0
  • WebSphere Lombardi Edition V7.2.0.x


For earlier unsupported versions of the products, IBM recommends upgrading to a fixed, supported version of the product.

Remediation/Fixes

Please consult the security bulletin Security Bulletin: Vulnerability in RC4 stream cipher affects WebSphere Application Server (CVE-2015-2808) for vulnerability details and information about fixes.

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

Change History

2015-04-13: 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

swg21882624

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