Security Bulletin: A vulnerability in IBM WebSphere Application Server affects IBM Spectrum Scale (CVE-2019-4046)

Summary

There is a vulnerability in IBM WebSphere Application Server, used by IBM Spectrum Scale. This issue allow a remote attacker to cause a denial of service condition.

Vulnerability Details

IBM WebSphere Application Server is used to provide graphical user interface for managing Spectrum Scale. The command line interface (CLI) interface is unaffected by this issue.

CVEID: CVE-2019-4046 DESCRIPTION: IBM WebSphere Application Server is vulnerable to a denial of service, caused by improper handling of request headers. A remote attacker could exploit this vulnerability to cause the consumption of Memory.
CVSS Base Score: 5.9
CVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/156242&gt; for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H)

Affected Products and Versions

IBM Spectrum Scale V5.0.0.0 thru V5.0.3.0

IBM Spectrum Scale V4.2.0.0 thru V4.2.3.15

Remediation/Fixes

For IBM Spectrum Scale V5.0.0.0 thru 5.0.3.0, apply V5.0.3.1 available from FixCentral at:

https://www-945.ibm.com/support/fixcentral/swg/selectFixes?product=ibm/StorageSoftware/IBM+Spectrum+Scale&function=fixid&fixids=Spectrum_Scale_Advanced-5.0.3.1-x86_64-Linux

For IBM Spectrum Scale V4.2.0.0 thru V4.2.3.15, apply V4.2.3.16 available from FixCentral at:

https://www-945.ibm.com/support/fixcentral/swg/selectFixes?parent=Software%20defined%20storage&product=ibm/StorageSoftware/IBM+Spectrum+Scale&release=4.2.3&platform=All&function=all

If you cannot apply the latest level of service, contact IBM Service for an efix

- For IBM Spectrum Scale V5.0.0-5.0.3.0, reference IJ15943
- For IBM Spectrum Scale V4.2.0.0-4.2.3.15, reference IJ15977

To contact IBM Service, see http://www.ibm.com/planetwide/

Workarounds and Mitigations

None