Security Bulletin: A vulnerability in Apache Struts affects the IBM FlashSystem 840 and 900

Summary

There is a vulnerability in Apache Struts which the IBM FlashSystem™ 840 and 900 are 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

FlashSystem 840 machine type and models (MTMs) affected include 9840-AE1 and 9843-AE1.
FlashSystem 900 MTMs affected include 9840-AE2 and 9843-AE2.

Supported code versions which are affected

• VRMFs prior to 1.4.8.1
• VRMFs prior to 1.5.2.1

Remediation/Fixes

FlashSystem 840 MTMs:

9840-AE1 & 9843-AE1

FlashSystem 900 MTMs:

9840-AE2, 9843-AE2, 9840-AE3, & 9843-AE3

|

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

| N/A | FlashSystem 840 fixes and FlashSystem900 fixes are available @ IBM’s Fix Central

Workarounds and Mitigations

None.