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Security Bulletin: Multiple vulnerabilities in Apache Struts affect SAN Volume Controller, Storwize family and FlashSystem V9000 products

Security Bulletin


Summary

Open Source Apache Struts vulnerabilities were disclosed in Jun 2016. Struts is used by SAN Volume Controller, Storwize family and FlashSystem V9000 products in their Service Assistant GUI. The CVEs are CVE-2016-4430 CVE-2016-4431 CVE-2016-4433 CVE-2016-4436.

Vulnerability Details

CVEID: CVE-2016-4430
DESCRIPTION:
Apache Struts is vulnerable to cross-site request forgery, caused by improper validation of user-supplied input. By persuading an authenticated user to visit a malicious Web site, a remote attacker could send a malformed expression to bypass token validation. An attacker could exploit this vulnerability to perform cross-site scripting attacks, Web cache poisoning, and other malicious activities.
CVSS Base Score: 8.8
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/114185 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)

CVEID: CVE-2016-4431
DESCRIPTION:
Apache Struts could allow a remote attacker to bypass security restrictions, caused by an error in the default action method. By sending a specially crafted request, an attacker could exploit this vulnerability to bypass internal security mechanism and redirect the victim to an arbitrary site.
CVSS Base Score: 5.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/114187 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N)

CVEID: CVE-2016-4433
DESCRIPTION:
Apache Struts could allow a remote attacker to bypass security restrictions, caused by an error in the Getter as action method. By sending a specially crafted request, an attacker could exploit this vulnerability to bypass internal security mechanism and redirect the victim to an arbitrary site.
CVSS Base Score: 5.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/114186 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N)

CVEID: CVE-2016-4436
DESCRIPTION:
An unspecified error Apache Struts related to the method used to clean up action name has an unknown impact and attack vector.
CVSS Base Score: 5.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/114183 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N)

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 1.1 to 7.7.

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:

7.5.0.10
7.6.1.5
7.7.0.3
7.7.1.2

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:

7.5.1.6
7.6.1.5
7.7.0.3
7.7.1.2

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.

Get Notified about Future Security Bulletins

References

Complete CVSS v3 Guide
On-line Calculator v3

Related information

IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

Acknowledgement

None

Change History

1 Mar 2017: Second draft

*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

According to the Forum of Incident Response and Security Teams (FIRST), the Common Vulnerability Scoring System (CVSS) is an "industry open standard designed to convey vulnerability severity and help to determine urgency and priority of response." IBM PROVIDES THE CVSS SCORES "AS IS" WITHOUT WARRANTY OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY.

Cross reference information
Segment Product Component Platform Version Edition
Disk Storage Systems IBM Storwize V3500 (2071) Not Applicable Platform Independent 6.4, 7.1, 7.2, 7.3, 7.4, 7.5
Disk Storage Systems IBM Storwize V3700 (2072) Not Applicable Platform Independent 6.4, 7.1, 7.2, 7.3, 7.4, 7.5
Disk Storage Systems IBM Storwize V5000 Not Applicable Platform Independent 7.1, 7.2, 7.3, 7.4, 7.5
Storage Virtualization SAN Volume Controller Not Applicable Platform Independent 6.1, 6.2, 6.3, 6.4, 7.1, 7.2, 7.3, 7.4, 7.5
Flash Storage IBM FlashSystem V9000 Platform Independent 7.1, 7.2, 7.3, 7.4, 7.5

Document information

More support for: IBM Storwize V7000 (2076)
6.1

Version: 6.1, 6.2, 6.3, 6.4, 7.1, 7.2, 7.3, 7.4, 7.5, 7.6, 7.6.1, 7.7

Operating system(s): Platform Independent

Reference #: S1009282

Modified date: 21 March 2017