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

Summary

A vulnerability exists in Apache Tomcat to which the IBM FlashSystem™ 840 and FlashSystem 900 are susceptible (CVE-2018-11784). An exploit of this vulnerability could allow a remote attacker to redirect a user to arbitrary websites.

Vulnerability Details

CVEID: CVE-2018-11784 DESCRIPTION: Apache Tomcat could allow a remote attacker to conduct phishing attacks, caused by an open redirect vulnerability in the default servlet. An attacker could exploit this vulnerability using a specially-crafted URL to redirect a victim to arbitrary Web sites.
CVSS Base Score: 7.4
CVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/150860&gt; for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:N)

Affected Products and Versions

FlashSystem 840 machine type and models (MTMs) affected include 9840-AE1 and 9843-AE1.
FlashSystem 900 MTMs affected include 9843-UF3, 9840-AE2, 9843-AE2, 9840-AE3, and 9843-AE3.

Supported code versions which are affected

• VRMFs prior to 1.4.8.2
• VRMFs prior to 1.5.2.5
• VRMFs prior to 1.6.1.0

Remediation/Fixes

MTMs

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

**FlashSystem 900 MTMs:**9843-UF3, 9840-AE2, 9843-AE2, 9840-AE3, & 9843-AE3 |

Code fixes are now available, the minimum VRMF containing the fix depends on the code stream:_ _
__Fixed Code VRMF __
1.6 stream: 1.6.1.0

1.5 stream: 1.5.2.5

1.4 stream: 1.4.8.2

| N/A | FlashSystem 840 fixesand FlashSystem 900 fixes****are available @ IBM’s Fix Central

Workarounds and Mitigations

Upgrade to a remediated code level.