Security Bulletin: A vulnerability in Apache Struts affects the IBM FlashSystem V840

Summary

There is a vulnerability in Apache Struts which the IBM FlashSystem™ V840 is susceptible. An exploit of that vulnerability (CVE-2018-11776) could make the system susceptible to attacks which could allow an attacker to execute arbitrary code on the system.

Vulnerability Details

CVEID: CVE-2018-11776 DESCRIPTION: Apache Struts could allow a remote attacker to execute arbitrary code on the system, caused by an error when using results with no namespace and its upper action configurations have no wildcard namespace. An attacker could exploit this vulnerability to execute arbitrary code on the system.
CVSS Base Score: 9.8
CVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/148694&gt; 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

Storage Node machine type and models (MTMs) affected:9840-AE1 and 9843-AE1

Controller Node MTMs affected: 9846-AC0, 9848-AC0, 9846-AC1, and 9848-AC1

Supported storage node code versions which are affected

• VRMFs prior to 1.4.8.1
• VRMFs prior to 1.5.2.1

Supported controller node code versions which are affected

• VRMFs prior to 7.8.1.8
• VRMFs prior to 8.1.3.4

Remediation/Fixes

Storage nodes:

9846-AE1 & 9848-AE1

Controller nodes:

9846-AC0, 9846-AC1, 9848-AC0, & 9848-AC1

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Code fixes are now available, the minimum VRMF containing the fix depending on the code stream:

Fixed Code VRMF

1.5 stream: 1.5.2.1

1.4 stream: 1.4.8.1

Controller Node VRMF

8.1 stream: 8.1.3.4

7.8 stream: 7.8.1.8

| N/A | FlashSystem V840 fixes for storage node are available @ IBM’s Fix Central

Workarounds and Mitigations

None.