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

Security Bulletin


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

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

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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.

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


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