ESB-2017.2417 - [Win][Linux][HP-UX][Solaris][AIX] IBM Security Identity Manager: Modify arbitrary files - Remote/unauthenticated 2017-09-22

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2017.2417
          Security Bulletin: RMI Dispatcher port used by Security
             Identity Adapters is not authenticated by default
                             22 September 2017

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

Product:           IBM Security Identity Manager
Publisher:         IBM
Operating System:  AIX
                   HP-UX
                   Linux variants
                   Solaris
                   Windows
                   z/OS
Impact/Access:     Modify Arbitrary Files   -- Remote/Unauthenticated
                   Denial of Service        -- Remote/Unauthenticated
                   Access Confidential Data -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2017-1483  

Original Bulletin: 
   http://www.ibm.com/support/docview.wss?uid=swg22007375

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Security Bulletin: RMI Dispatcher port used by Security Identity Adapters is 
not authenticated by default

Document information

More support for: IBM Security Identity Manager

Adapters

Software version: 6.0, 7.0

Operating system(s): AIX, HP-UX, Linux, Solaris, Windows, z/OS

Reference #: 2007375

Modified date: 21 September 2017

Security Bulletin

Summary

The RMI Dispatcher listening port, used by TDI and SDI-based Security Identity
Adapters, does not require authentication by default. As a result, an 
unauthenticated user could modify adapter attributes. The Dispatcher has added
credential checking to ensure only authenticated users can access adapter 
attributes.

Vulnerability Details

CVEID: CVE-2017-1483

DESCRIPTION: IBM Security Identity Adapters do not perform an authentication 
check for a critical resource or functionality allowing anonymous users access
to protected areas.

CVSS Base Score: 8.6

CVSS Temporal Score: See 
https://exchange.xforce.ibmcloud.com/vulnerabilities/128621 for the current 
score

CVSS Environmental Score*: Undefined

CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H)

Affected Products and Versions

IBM Security Identity Manager v6.0 Adapters

Security Identity Adapters v7.x for ISIM 7.0, IGI 5.2.x, and PIM 2.x

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 Adapters for IGI, ISIM, PIM 	IBM Security Identity Adapters

References

Complete CVSS v3 Guide

On-line Calculator v3

Related information

IBM Secure Engineering Web Portal

IBM Product Security Incident Response Blog

Acknowledgement

IBM X-Force Ethical Hacking Team: Ron Craig, Warren Moynihan, Jonathan 
Fitz-Gerald, John Zuccato, Rodney Ryan, Chris Shepherd, Dmitriy Beryoza

Change History

21 September 2017: First publish

*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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