Security Bulletin: Vulnerability in Apache Struts affects SAN Volume Controller, Storwize family and FlashSystem V9000 products (CVE-2017-5638)

Security Bulletin

Summary

A vulnerability in the Apache Struts component affects the Service Assistant GUI of SAN Volume Controller, Storwize family and FlashSystem V9000 products allowing arbitrary code execution. The Command Line Interface is unaffected.

Vulnerability Details

CVEID: CVE-2017-5638
DESCRIPTION: Apache Struts could allow a remote attacker to execute arbitrary code on the system, caused by an error when performing a file upload based on Jakarta Multipart parser. An attacker could exploit this vulnerability using a malicious Content-Type value to execute arbitrary code on the system.
CVSS Base Score: 7.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/122776 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)

Affected Products and Versions

IBM SAN Volume Controller
IBM Storwize V7000
IBM Storwize V5000
IBM Storwize V3700
IBM Storwize V3500
IBM FlashSystem V9000

All products are affected when running supported releases 7.1 to 7.8. For unsupported versions of the above products, IBM recommends upgrading to a fixed, supported version of the product.

Remediation/Fixes

IBM recommends that you fix this vulnerability by upgrading affected versions of IBM SAN Volume Controller, IBM Storwize V7000, V5000, V3700 and V3500 to the following code levels or higher:

7.6.1.8
7.7.1.6
7.8.1.0

Latest SAN Volume Controller Code
Latest Storwize V7000 Code
Latest Storwize V5000 Code
Latest Storwize V3700 Code
Latest Storwize V3500 Code

For IBM FlashSystem V9000, upgrade to the following code levels or higher:

7.6.1.8
7.7.1.6
7.8.1.0

Latest FlashSystem V9000 Code

Workarounds and Mitigations

Although IBM recommends that you install a level of code with a fix for this vulnerability, you can mitigate, although not eliminate, your risk until you have done so by ensuring that all users who have access to the system are authenticated by another security system such as a firewall.

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References

Complete CVSS v2 Guide
On-line Calculator v2

Complete CVSS v3 Guide
On-line Calculator v3

Off

Acknowledgement

None

Change History

2 May 2017: Original version published
17 July 2017: Added 7.6.1.8 PTF level

*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: Vulnerability in Apache Struts affects SAN Volume Controller, Storwize family and FlashSystem V9000 products (CVE-2017-5638)