Security Bulletin: Apache Tomcat vulnerability affects IBM Storwize V7000 Unified (CVE-2016-6816, CVE-2016-6817, CVE-2016-8735 )

Summary

Apache Tomcat vulnerability affects IBM Storwize V7000 Unified.

Vulnerability Details

This bulletin relates to vulnerabilities in the Apache Tomcat component which is used to provide the product’s management GUI. The CLI interface is unaffected.

CVEID: CVE-2016-6816**
DESCRIPTION:** Apache Tomcat is vulnerable to HTTP response splitting attacks, caused by improper validation of user-supplied input. A remote attacker could exploit this vulnerability to inject arbitrary HTTP headers and cause the server to return a split response, once the URL is clicked. This would allow the attacker to perform further attacks, such as Web cache poisoning or cross-site scripting, and possibly obtain sensitive information.
CVSS Base Score: 6.1
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/119158 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)

CVEID: CVE-2016-6817**
DESCRIPTION:** Apache Tomcat is vulnerable to a denial of service. By sending a specially crafted HTTP/2 header, a remote attacker could exploit this vulnerability to cause the application to enter into an infinite loop.
CVSS Base Score: 7.5
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/119156 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:N/A:H)

CVEID: CVE-2016-8735**
DESCRIPTION:** Apache Tomcat could allow a remote attacker to execute arbitrary code on the system, caused by an error in the JmxRemoteLifecycleListener. By sending specially crafted data to a JMX port, an attacker could exploit this vulnerability to execute arbitrary code on the system with elevated privileges.
CVSS Base Score: 7.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/119157 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 Storwize V7000 Unified
The product is affected when running code releases 1.5.0.0 to 1.5.2.5 and 1.6.0.0 to 1.6.2.0

Remediation/Fixes

A fix for these issues is in version 1.5.2.6 and 1.6.2.1 of IBM Storwize V7000 Unified. Customers running an affected version of IBM Storwize V7000 Unified should upgrade to 1.5.2.6 or 1.6.2.1 or a later version, so that the fix gets applied.

Latest Storwize V7000 Unified Software

Please contact IBM support for assistance in upgrading your system.

Workarounds and Mitigations

Workaround(s) : None.

Mitigation(s) : 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.