Security Bulletin
Summary
The RC4 “Bar Mitzvah” Attack for SSL/TLS affects IBM Workload Deployer.
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 Workload Deployer version 3.1 and later
Remediation/Fixes
Virtual machines deployed from IBM Workload Deployer are affected. This includes RedHat Linux and AIX based deployments. The solution is to apply the following IBM Workload Deployer fix to the deployed virtual machines.
Upgrade the IBM Workload Deployer to the following fix level:
Product | VRMF | Remediation/First Fix |
| IBM Workload Deployer System | Release V3.1.0.7 | V3.1.0.7 Interim fix7, http://www-933.ibm.com/support/fixcentral/swg/selectFixes?product=ibm/WebSphere/IBM+Workload+Deployer&release=3.1.0.7&platform=All&function=fixId&fixids=3.1.0.7-ifix7-IBM_Workload_Deployer&includeSupersedes=0 |
Refer to the following technical note for additional installation information and known limitations:
http://www.ibm.com/support/docview.wss?uid=swg24039951
You should verify applying this fix does not cause any compatibility issues. The fix disables RC4 stream cipher by default. If you change the default setting after applying the fix, 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
None
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References
Acknowledgement
None
Change History
15 May 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.
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
swg21883878