Security Bulletin: A Vulnerability in Apache Tomcat affects the IBM FlashSystem model V840

Summary

There is a vulnerability in Apache Tomcat to which the IBM® FlashSystem™ V840 is susceptible. An exploit of this vulnerability (CVE-2017-6056) could allow a remote attacker to wage a denial of service attack.

Vulnerability Details

CVEID: CVE-2017-6056 DESCRIPTION: Apache Tomcat is vulnerable to a denial of service, caused by a programming error in the servlet and JSP engine. A remote attacker could exploit this vulnerability to cause the server to enter into an infinite loop.
CVSS Base Score: 7.5
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/122312 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)

Affected Products and Versions

**Affected Products and Versions of FlashSystem V840’s two node types **
Storage Node
· Machine Type Models (MTMs) affected include 9846-AE1 and 9848-AE1
· Code versions affected include supported VRMFs:
o 1.4.0.0 – 1.4.2.0
o 1.3.0.0 – 1.3.0.5

_Controller Node _
· MTMs affected include 9846-AC0, 9848-AC0, 9846-AC1, and 9848-AC1
· Code versions affected include supported VRMFs:
o 7.6.0.0 – 7.6.1.2
· Code streams NOT affected include:
o 7.7 and 7.8 code streams were NOT affected

Remediation/Fixes

V840 MTMs

| VRMF| APAR| Remediation/First Fix
—|—|—|—
Storage nodes:
9846-AE1 &
9848-AE1

Controller nodes:
9846-AC0,
9846-AC1,
9848-AC0, &
9848-AC1| _Code fixes are now available, the minimum VRMF containing the fix depends on the code stream:

___Storage Node VRMF __
_1.4 stream: 1.4.3.0 _
1.3 stream: 1.3.0.6

__Controller Node VRMF __
7.6 stream: 7.6.1.3| _ _N/A| FlashSystem V840 fixes**for storage and controller node **are available @ IBM’s Fix Central

Workarounds and Mitigations

None