IBM Support

Security Bulletin: Offline dictionary attack vulnerability in IBM Spectrum Protect (formerly Tivoli Storage Manager) (CVE-2016-8937)

Security Bulletin


Summary

IBM Spectrum Protect (formerly Tivoli Storage Manager) is vulnerable to an offline dictionary attack due to information disclosed during authentication. An attacker can gain full access to the IBM Spectrum Protect system allowing them to perform operations they may not be authorized to perform.

Vulnerability Details

CVEID: CVE-2016-8937
DESCRIPTION:
The IBM Tivoli Storage Manager (IBM Spectrum Protect 7.1 and 8.1) default authentication protocol is vulnerable to a brute force attack due to disclosing too much information during authentication. An attacker could gain user or administrative access to the TSM server. IBM X-Force ID: 118750.
CVSS Base Score: 9.8
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/118750 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)

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 (formerly Tivoli Storage Manager) Server
  • 8.1.0.0 through 8.1.1.x
  • 7.1.0.0 through 7.1.7.x
  • 6.3 and below all levels (these releases are EOS)
    Note that 6.4 shipped with 6.3 servers

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 for Space Management (formerly Tivoli Storage Manager for Space Management:
  • 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 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 AIX
HP-UX
Linux
Macintosh
Windows
http://www.ibm.com/support/docview.wss?uid=swg24043887
7.1 7.1.8 AIX
HP-UX
Linux
Macintosh
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)



IBM Spectrum Protect (Tivoli Storage Manager) Server Release First
Fixing
VRM
Level
Platform Link to Fix / Fix Availability Target
8.1 (8.1.2)
8.1.3
AIX
Linux
Windows
Although this issue has been fixed in 8.1.2, it is recommended to upgrade to 8.1.3 of the server using the following link:
ftp://public.dhe.ibm.com/storage/tivoli-storage-management/maintenance/server/v8r1/
7.1 7.1.8 AIX
HP-UX
Linux
Solaris
Windows
ftp://public.dhe.ibm.com/storage/tivoli-storage-management/maintenance/server/v7r1/
6.3 and below 6.3 and below are EOS. Customers on these releases can upgrade the server to a fixed level (8.1.3/8.1.2 or 7.1.8).
Note that 6.4 shipped with 6.3 servers


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 Linux
Windows
http://www.ibm.com/support/docview.wss?uid=swg24043700
7.1 7.1.8 Linux
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).


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 for Space Management (Tivoli Storage Manager for Space Management) First
Fixing
VRM Level
Platform Link to Fix / Fix Availability Target
8.1 8.1.2 AIX
Linux
http://www.ibm.com/support/docview.wss?uid=swg24043768
7.1 7.1.8 AIX
Linux
http://www.ibm.com/support/docview.wss?uid=swg24043967
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).

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).

Workarounds and Mitigations

None

Get Notified about Future Security Bulletins

References

Complete CVSS v3 Guide
On-line Calculator v3

Related information

IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

Acknowledgement

Kęstutis Gudinavičius from SEC Consult

Change History

02 October 2017 - Original version published
10 October 2017 - Updated CVSS Vector and Score

*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.


Cross reference information
Segment Product Component Platform Version Edition
Storage Management IBM Spectrum Protect for Virtual Environments Linux, Windows 7.1.3, 7.1.4, 7.1.6, 8.1.0 All Editions
Storage Management Tivoli Storage Manager for Virtual Environments Linux, Windows 6.4, 7.1 All Editions
Storage Management IBM Spectrum Protect for Space Management AIX, Linux 7.1.3, 7.1.4, 7.1.6, 8.1.0 All Editions
Storage Management Tivoli Storage Manager for Space Management AIX, Linux 6.4, 7.1 All Editions
Storage Management IBM Spectrum Protect HSM for Windows Windows 7.1.3, 7.1.4, 7.1.6, 8.1 All Editions
Storage Management Tivoli Storage Manager HSM for Windows Windows 6.4, 7.1 All Editions
Storage Management IBM Spectrum Protect AIX, HP-UX, Linux, OS X, Solaris, Windows 7.1, 8.1 All Editions
Storage Management Tivoli Storage Manager AIX, HP-UX, Linux, OS X, Solaris, Windows 6.4, 7.1 All Editions

Document information

More support for: IBM Spectrum Protect

Software version: 7.1, 8.1

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

Software edition: All Editions

Reference #: 2007935

Modified date: 10 October 2017


Translate this page: