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AUSCERT External Security Bulletin Redistribution
Security Bulletin: Vulnerability in RC4 stream cipher
affects WebSphere Dashboard Framework (CVE-2015-2808)
23 April 2015
AusCERT Security Bulletin Summary
Product: IBM WebSphere Dashboard Framework
Operating System: Linux variants
Impact/Access: Access Privileged Data -- Remote/Unauthenticated
CVE Names: CVE-2015-2808
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Security Bulletin: Vulnerability in RC4 stream cipher affects WebSphere
Dashboard Framework (CVE-2015-2808)
More support for:
WebSphere Dashboard Framework
The RC4 Bar Mitzvah Attack for SSL/TLS affects the Java JREs bundled with
WebSphere Dashboard Framework. These JREs are used to run the copies of
WebSphere Community Edition (WASCE) and Eclipse bundled with WebSphere
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
CVSS Base Score: 5
CVSS Temporal Score: See
https://exchange.xforce.ibmcloud.com/vulnerabilities/101851 for the current
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:L/Au:N/C:P/I:N/A:N)
Affected Products and Versions
All supported versions of WebSphere Dashboard Framework.
Obtain the JRE appropriate for you product from Fix Central. Note however that
these updated JREs are only appropriate for customers that have installed the
copy of Eclipse or WASCE bundled with WebSphere Dashboard Framework.
WebSphere Dashboard Framework 7.0.1 on Windows: LO84634.
WebSphere Dashboard Framework 7.0.1 on Linux: LO84669.
For unsupported versions of WebSphere Dashboard Framework IBM recommends
upgrading to a fixed and supported version of the product.
You should verify that applying these fixes does not cause any compatibility
issues. The fixes disable RC4 stream cipher by default. If you change this
default setting you will expose yourself to the attack described above. IBM
recommends that you review your entire environment to identify other areas
where you have enabled the RC4 stream cipher and take appropriate mitigation
and remediation actions.
Workarounds and Mitigations
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Complete CVSS Guide
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IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog
22 April 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.
According to the Forum of Incident Response and Security Teams (FIRST), the
Common Vulnerability Scoring System (CVSS) is an "industry open standard
designed to convey vulnerability severity and help to determine urgency and
priority of response." IBM PROVIDES THE CVSS SCORES "AS IS" WITHOUT WARRANTY
OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT
OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY.
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