ESB-2017.2081 - [Win][UNIX/Linux] IBM Security Identity Manager Adapters: Denial of service - Remote/unauthenticated 2017-08-18

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2017.2081
         Security Bulletin: Vulnerability found in OpenSSL release
            used by Windows and z/OS Security Identity Adapters
                              18 August 2017

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        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           IBM Security Identity Manager Adapters
Publisher:         IBM
Operating System:  Windows
                   UNIX variants (UNIX, Linux, OSX)
Impact/Access:     Denial of Service -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2016-8610  

Reference:         ASB-2017.0011
                   ESB-2017.1815
                   ESB-2016.2723
                   ESB-2016.2585

Original Bulletin: 
   http://www.ibm.com/support/docview.wss?uid=swg22007428

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Security Bulletin: Vulnerability found in OpenSSL release used by Windows
and z/OS Security Identity Adapters

Document information

More support for: IBM Security Identity Manager Adapters

Software version: 6.0, 7.0

Operating system(s): Windows, z/OS

Reference #: 2007428

Modified date: 17 August 2017

Security Bulletin

Summary

A vulnerability was found in the OpenSSL release used by the Windows
and z/OS Security Identity Adapters. These adapters have been upgraded
to a more current OpenSSL release that corrects the CVE (CVE-2016-8610)
"SSL Death Alert: OpenSSL SSL/TLS SSL3_AL_WARNING undefined alert Remote
DoS" vulnerability.

Vulnerability Details

CVEID: CVE-2016-8610

DESCRIPTION: SSL/TLS protocol is vulnerable to a denial of service, caused
by an error when processing ALERT packets during a SSL handshake. By
sending specially-crafted packets, a remote attacker could exploit this
vulnerability to cause the application to stop responding.
CVSS Base Score: 7.5
CVSS Temporal Score: See
https://exchange.xforce.ibmcloud.com/vulnerabilities/118296 for the
current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)

Affected Products and Versions

IBM Security Identity Manager v6.0 Adapters for Windows and z/OS platforms
Security Identity Adapters v7.x for Windows and z/OS platforms

Remediation/Fixes

Obtain the latest GA levels of 6.0 or 7.x adapters, as found on the Fix
Link pages listed below:

Product				Fix Link
ISIM v6.0 Adapters		Adapters for IBM Security Identity Manager v6.0

Security Identity v7.x 		IBM Security Identity Adapters
Adapters for IGI, ISIM, PIM

References

Complete CVSS v2 Guide
On-line Calculator v2

Related information

IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

*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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