Security Bulletin
Summary
The RC4 “Bar Mitzvah” Attack for SSL/TLS affects IBM.
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 obtain 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
Releases 6.1, 7.1 and 7.2 of IBM i are affected.
Remediation/Fixes
The issue can be fixed by applying PTF’s to IBM i and following the remediation plan below. NOTE: Please read this entire section for the list PTF numbers for IBM i:
Please review this document for IBM i remediation steps: http://www.ibm.com/support/docview.wss?uid=nas8N1020681
Releases 6.1, 7.1 and 7.2 of IBM i are supported and will be fixed.
The IBM i PTF numbers are:
IBM i OS and options:
Release 6.1 – SI56418
Release 7.1 – SI56419
Release 7.2 – SI56643
IBM i Java:
Java for IBM i: 5761-JV1 & 5770-JV1
For details on Java for IBM i, see the details on the Java for IBM i page on developerWorks:
http://www.ibm.com/developerworks/ibmi/techupdates/java
The IBM i Group PTF numbers for Java are:
Release 6.1 – SF99562 level 32
Release 7.1 – SF99572 level 21
Release 7.2 – SF99716 level 6
Important note: IBM recommends that all users running unsupported versions of affected products upgrade to supported and fixed version of affected products.
Workarounds and Mitigations
N/A
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References
*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:
18 December 2019
UID
nas8N1020752