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AUSCERT External Security Bulletin Redistribution
ESB-2015.1361
Security Bulletin: Vulnerability in RC4 stream cipher affects IBM Security
Access Manager for Mobile (CVE-2015-2808)
21 May 2015
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AusCERT Security Bulletin Summary
---------------------------------
Product: IBM Security Access Manager for Mobile
Publisher: IBM
Operating System: Linux variants
Impact/Access: Access Privileged Data -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2015-2808
Reference: ESB-2015.0961
ESB-2015.0960
ESB-2015.0958
ESB-2015.0956
ESB-2015.0955
ESB-2015.0954
ESB-2015.0953
ESB-2015.0950.2
ESB-2015.0949.2
ESB-2015.0948.2
ESB-2015.0947.2
ESB-2015.0946.2
ESB-2015.0944.2
Original Bulletin:
http://www-01.ibm.com/support/docview.wss?uid=swg21902369
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Security Bulletin: Vulnerability in RC4 stream cipher affects IBM Security
Access Manager for Mobile (CVE-2015-2808)
Security Bulletin
Document information
More support for:
IBM Security Access Manager for Mobile
Software version:
8.0, 8.0.0.1, 8.0.0.2, 8.0.0.3, 8.0.0.4, 8.0.0.5, 8.0.1, 8.0.1.2
Operating system(s):
Linux
Reference #:
1902369
Modified date:
2015-05-19
Summary
The RC4 Bar Mitzvah Attack for SSL/TLS affects IBM Security Access Manager for
Mobile.
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 Security Access Manager for Mobile 8.0, firmware versions 8.0.0.0 -
8.0.1.2.
Remediation/Fixes
IBM has provided patches for all affected versions. Follow the installation
instructions in the README files included with the patch.
Product VRMF APAR Remediation
IBM Security Access Manager for Mobile 8.0.0.0-8.0.1.1 IV73138 1) Apply the
following fix pack:
8.0.1-ISS-ISAM-FP0002
2) You can then apply the following 8.0.1.2 interim fix:
8.0.1.2-ISS-ISAM-IF0002
IBM Security Access Manager for Mobile 8.0.1.2 IV73138 Apply the following
interim fix:
8.0.1.2-ISS-ISAM-IF0002
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
Get Notified about Future Security Bulletins
Subscribe to My Notifications to be notified of important product support
alerts like this.
References
Complete CVSS Guide
On-line Calculator V2
Related information
IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog
Acknowledgement
None
Change History
May 19, 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
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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