Security Bulletin: Vulnerabilities in Apache Struts affect the IBM FlashSystem models 840 and 900 (CVE-2016-0785 CVE-2016-2162)

Summary

Open Source Apache Struts vulnerabilities were disclosed in March 2016. Struts is used by IBM® FlashSystem™ 840 and IBM FlashSystem 900 in its Service Assistant GUI.

Vulnerability Details

CVEID: CVE-2016-0785**
DESCRIPTION:** Apache Struts could allow a remote attacker to execute arbitrary code on the system, caused by a double OGNL evaluation of attribute values. By sending specially crafted data, an attacker could exploit this vulnerability to execute arbitrary code on the system.
CVSS Base Score: 7.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/111513 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)

CVEID: CVE-2016-2162**
DESCRIPTION:** Apache Struts is vulnerable to cross-site scripting, caused by improper validation of user-supplied input by the I18NInterceptor. A remote attacker could exploit this vulnerability using a specially-crafted URL to execute script in a victim’s Web browser within the security context of the hosting Web site, once the URL is clicked. An attacker could use this vulnerability to steal the victim’s cookie-based authentication credentials.
CVSS Base Score: 6.1
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/111515 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N)

Affected Products and Versions

FlashSystem 840 including machine type and models (MTMs) for all available code levels. MTMs affected include 9840-AE1 and 9843-AE1.

FlashSystem 900 including machine type and models (MTMs) for all available code levels. MTMs affected include 9840-AE2 and 9843-AE2.

Remediation/Fixes

MTMs

| VRMF| APAR| Remediation/First Fix
—|—|—|—
FlashSystem****840 MTM:
9840-AE1 &
9843-AE1

FlashSystem 900 MTMs:
9840-AE2 &
9843-AE2| _Code fixes are now available, the minimum VRMF containing the fix depends on the code stream:

___ Fixed code VRMF .__
1.4 stream: 1.4.3.0 (or later)
1.3 stream: 1.3.0.6 (or later)| _ _N/A| No workarounds or mitigations, other than applying this code fix, are known for this vulnerability

** **FlashSystem 840 fixes****and FlashSystem 900 fixes****are available @ IBM’s Fix Central

Workarounds and Mitigations

None