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Security Bulletin: Vulnerability in InstallShield affects IBM Tivoli Storage Manager HSM for Windows (CVE-2016-2542)

Security Bulletin


Summary

InstallShield generates installation executables which are vulnerable to a DLL-planting that affects IBM Tivoli Storage Manager HSM for Windows (IBM Spectrum Protect HSM for Windows)

Vulnerability Details

CVEID: CVE-2016-2542
DESCRIPTION: Flexera InstallShield could allow a local attacker to gain elevated privileges on the system, caused by an untrusted search path. An attacker could exploit this vulnerability using a Trojan horse DLL in the current working directory of a setup-launcher executable file to gain elevated privileges on the system.
CVSS Base Score: 7.8
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/110914 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)

Affected Products and Versions

The following levels of IBM Tivoli Storage Manager HSM for Windows (IBM Spectrum Protect HSM for Windows) are affected:

  • 7.1.0.0 through 7.1.4.1
  • 6.4.0.0 through 6.4.3.0
  • 6.3 and below - all levels

Remediation/Fixes

This security exposure occurs only at installation time and does not affect an already installed Tivoli Storage Manager HSM for Windows.

If you are not installing a fixed level of Tivoli Storage Manager HSM for Windows (7.1.4.2 or 6.4.3.1), then the installation package is vulnerable to this security issue during installation and you must use the workaround provided below to prevent being exposed to the vulnerability.

Tivoli Storage Manager HSM for Windows ReleaseFirst
Fixing
VRM Level
Link to Fix / Fix Availability Target
7.17.1.4.2Download packages for IBM Tivoli Storage Manager HSM for Windows version 7.1.4 interim fix packages (7.1.4.x) and READMEs have been removed from the web as they contain unremediated security vulnerabilities. The latest version of Tivoli Storage Manager HSM for Windows (IBM Spectrum Protect HSM for Windows) is 7.1.6 which contains fixes for the most recent known security and product issues, and can be found using this link:
http://www.ibm.com/support/docview.wss?uid=swg24042244
If you have any questions, please contact IBM support.
6.46.4.3.1ftp://public.dhe.ibm.com/storage/tivoli-storage-management/patches/client/v6r4/Windows/x64/v643/HSM/
6.3 and belowNoneRelease 6.3 (and below) are end of support and end of life cycle. Customers should upgrade to a fixed level (7.1.4.2 or 6.4.3.1) or use the workaround provided below.

Workarounds and Mitigations

This security exposure occurs only at installation time and does not affect an already installed Tivoli Storage Manager HSM for Windows.

To prevent exposure to this security vulnerability, download and run the installation package from a clean directory using the following steps:

  1. As an administrator, create a new secure directory. The directory must not exist before and only the administrator should have write permission to it.
  2. Unzip or copy the files from your installation media into this new directory.
  3. Run the installation exe from this directory to install the product. Proceed with the installation as normal.

If installation of a Tivoli Storage Manager HSM for Windows package below the fixing level (7.1.4.2 or 6.4.3.1) or installation of a package for release 6.3 or below is required, then the above workaround should be used to avoid exposure to this vulnerability during the installation process. The workaround is not needed if the fixing level (7.1.4.2 or 6.4.3.1) or a higher level of the package is installed.

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References

Off

Acknowledgement

None

Change History

06 May 2016 - Original version published
11 May 2016 - Updated CVE Information; CVSS Score and Vector
27 May 2016 - Updated CVE Description and clarified workaround
15 August 2016 - Updated Remediation/Fixes and Workarounds and Mitigations to clarify when exposure occurs
16 January 2017 - Updated link to 7.1 fix

*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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Document Information

Modified date:
17 June 2018

UID

swg21982741