ESB-2017.2564 - [Win][Linux][OSX] IBM Notes: Denial of service - Remote/unauthenticated 2017-10-12

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2017.2564
          Security Bulletin: IBM Notes is affected by Open Source
                          XStream Vulnerabilities
                              12 October 2017

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

Product:           IBM Notes
Publisher:         IBM
Operating System:  Linux variants
                   OS X
                   Windows
Impact/Access:     Denial of Service -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2017-7957  

Reference:         ESB-2017.2462
                   ESB-2017.2356
                   ESB-2017.2276
                   ESB-2017.1991

Original Bulletin: 
   http://www.ibm.com/support/docview.wss?uid=swg22004066

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Security Bulletin: IBM Notes is affected by Open Source XStream 
Vulnerabilities

Security Bulletin

Document information

More support for: IBM Notes

Security

Software version: 8.5.1.5, 8.5.2.4, 8.5.3.6, 9.0, 9.0.1.8

Operating system(s): Linux, OS X, Windows

Reference #: 2004066

Modified date: 11 October 2017

Summary

An open source library XStream is vulnerable to a denial of service, caused by
the improper handling of attempts to create an instance of the primitive type
'void' during unmarshalling. A remote attacker could exploit this 
vulnerability to cause the application to crash. IBM Notes consumes Open 
Source XStream library. IBM Notes has addressed these vulnerabilities

Vulnerability Details

CVEID: CVE-2017-7957

DESCRIPTION: XStream is vulnerable to a denial of service, caused by the 
improper handling of attempts to create an instance of the primitive type 
'void' during unmarshalling. A remote attacker could exploit this 
vulnerability to cause the application to crash.

CVSS Base Score: 5.3

CVSS Temporal Score: See 
https://exchange.xforce.ibmcloud.com/vulnerabilities/125800 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:L)

Affected Products and Versions

IBM Notes 9.0.1 to 9.0.1 FP8.

IBM Notes 9.0 to 9.0 IF4.

IBM Notes 8.5.3 to 8.5.3 FP6 IF14

IBM Notes 8.5.2 to 8.5.2 FP4 IF3

IBM Notes 8.5.1 to 8.5.1 FP5 IF3

IBM Notes 8.5 release

Remediation/Fixes

Product 		Version 	Link

IBM Notes 9.0.1 	FP9 		https://www-01.ibm.com/support/docview.wss?uid=swg24037141

IBM Notes 8.5.3 	FP6 IF15 	http://www-01.ibm.com/support/docview.wss?uid=swg21663874

IBM Notes MAC 64 	901 MAC 64 IF12 http://www-01.ibm.com/support/docview.wss?uid=swg21657963

Customers who remain on the following releases may open a Service Request with
IBM Support and reference SPR PPUEAMNDJ4.

IBM Notes 9.0.1 to 9.0.1 FP8.

IBM Notes 9.0 to 9.0 IF4.

IBM Notes 8.5.2 to 8.5.2 FP4 IF3

IBM Notes 8.5.1 to 8.5.1 FP5 IF3

IBM Notes 8.5 release

Workarounds and Mitigations

None

References

Complete CVSS v3 Guide

On-line Calculator v3

Related information

IBM Secure Engineering Web Portal

IBM Product Security Incident Response Blog

Change History

11 October 2017: Original Publication

*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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