Security Bulletin: IBM Spectrum Protect (formerly Tivoli Storage Manager) Windows Client password exposure (CVE-2016-8939)

Security Bulletin

Summary

IBM Spectrum Protect (formerly Tivoli Storage Manager) clients and agents store password information in the Windows Registry which can be compromised.

Vulnerability Details

CVEID: CVE-2016-8939
DESCRIPTION: IBM Tivoli Storage Manager (IBM Spectrum Protect) clients/agents store password information in the Windows Registry in a manner which can be compromised.
CVSS Base Score: 6.2
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/118790 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N)

Affected Products and Versions

This vulnerability affects the following products:

IBM Spectrum Protect (formerly Tivoli Storage Manager) Client

8.1.0.0 through 8.1.1.x
7.1.0.0 through 7.1.7.x
6.4 and below all levels (these releases are EOS)

IBM Spectrum Protect for Virtual Environments (formerly Tivoli Storage Manager for Virtual Environments): Data Protection for VMware

8.1.0.0 through 8.1.1.x
7.1.0.0 through 7.1.7.x
6.4 and below all levels (these releases are EOS)

IBM Spectrum Protect for Virtual Environments (formerly Tivoli Storage Manager for Virtual Environments): Data Protection for Hyper-V

8.1.0.0 through 8.1.1.x
7.1.0.0 through 7.1.7.x

IBM Spectrum Protect HSM for Windows (formerly Tivoli Storage Manager HSM for Windows)

8.1.0.0 through 8.1.1.x
7.1.0.0 through 7.1.7.x
6.4 and below all levels (these releases are EOS)

Remediation/Fixes

*IBM Spectrum Protect (Tivoli Storage Manager) Client Release*	First Fixing VRM Level	*Platform*	*Link to Fix / Fix Availability Target*
8.1	8.1.2	Windows	http://www.ibm.com/support/docview.wss?uid=swg24043887
7.1	7.1.8	Windows	http://www.ibm.com/support/docview.wss?uid=swg24043984
6.4 and below			6.4 and below are EOS. Customers on these releases can upgrade the client to a fixed level (8.1.2 or 7.1.8) or use the workaround provided below.

*IBM Spectrum Protect for Virtual Environments (Tivoli Storage Manager for Virtual Environments): Data Protection for VMware*	First Fixing VRM Level	*Platform*	*Link to Fix / Fix Availability Target*
8.1	8.1.2	Windows	http://www.ibm.com/support/docview.wss?uid=swg24043700
7.1	7.1.8	Windows	http://www.ibm.com/support/docview.wss?uid=swg24043985
6.4 and below			6.4 and below are EOS. Customers on these releases can upgrade to a fixed level (8.1.2 or 7.1.8) or use the workaround provided below.

*IBM Spectrum Protect for Virtual Environments (Tivoli Storage Manager for Virtual Environments): Data Protection for Hyper-V*	First Fixing VRM Level	*Platform*	*Link to Fix / Fix Availability Target*
8.1	8.1.2	Windows	http://www.ibm.com/support/docview.wss?uid=swg24043700
7.1	7.1.8	Windows	http://www.ibm.com/support/docview.wss?uid=swg24043985

*IBM Spectrum Protect HSM for Windows (Tivoli Storage Manager HSM for Windows)*	First Fixing VRM Level	*Platform*	*Link to Fix / Fix Availability Target*
8.1	8.1.2	Windows	http://www.ibm.com/support/docview.wss?uid=swg24043769
7.1	7.1.8	Windows	http://www.ibm.com/support/docview.wss?uid=swg24043968
6.4 and below			6.4 and below are EOS. Customers on these releases can upgrade to a fixed level (8.1.2 or 7.1.8) or use the workaround provided below.

Workarounds and Mitigations

To eliminate exposure to this vulnerability, refer to the Technote Controlling access to Windows registry entries for IBM Spectrum Protect backup-archive and data protection clients.

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References

Complete CVSS v2 Guide
On-line Calculator v2

Complete CVSS v3 Guide
On-line Calculator v3

Off

Acknowledgement

Kęstutis Gudinavičius from SEC Consult and
Jakob H. Heidelberg & Flemming Riis at Improsec ApS

Change History

31 May 2017 - Original version published
02 October 2017 - Updated with 8.1.2 and 7.1.8 fixes

*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

Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.

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Tips

Security Bulletin: IBM Spectrum Protect (formerly Tivoli Storage Manager) Windows Client password exposure (CVE-2016-8939)