Security Bulletin: A vulnerability in IBM WebSphere Application Server affects IBM Spectrum Scale packaged in IBM Elastic Storage Server (CVE-2019-4720)

Security Bulletin

Summary

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

Vulnerability Details

CVEID: CVE-2019-4720
DESCRIPTION: IBM WebSphere Application Server 7.0, 8.0, 8.5, and 9.0 is vulnerable to a denial of service, caused by sending a specially-crafted request. A remote attacker could exploit this vulnerability to cause the server to consume all available memory. IBM X-Force ID: 172125.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/172125 for the current score.
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

The Elastic Storage Server 5.3.0 thru 5.3.5.2
The Elastic Storage Server 5.0.0 thru 5.2.9
The Elastic Storage Server 4.5.0 thru 4.6.0
The Elastic Storage Server 4.0.0 thru 4.0.6

Remediation/Fixes

For IBM Elastic Storage Server V5.0.0 thru 5.3.5.2, apply V5.3.6 available from FixCentral at:

https://www.ibm.com/support/fixcentral/swg/selectFixes?parent=Software%20defined%20storage&product=ibm/StorageSoftware/IBM+Elastic+Storage+Server+(ESS)&release=5.3.0&platform=All&function=all

For IBM Elastic Storage Server V5.0.0 thru 5.2.9, apply V5.2.10 available from FixCentral at:

https://www.ibm.com/support/fixcentral/swg/selectFixes?parent=Software%20defined%20storage&product=ibm/StorageSoftware/IBM+Elastic+Storage+Server+(ESS)&release=5.2.0&platform=All&function=all

If you are unable to upgrade to ESS 5.3.6 or 5.2.10, contact IBM Service to obtain an efix:

- For IBM Elastic Storage Server 5.3.0-5.3.5.2, reference APAR IJ24119
- For IBM Elastic Storage Server 5.0.0- 5.2.9, reference APAR IJ24099
- For IBM Elastic Storage Server 4.0.0 - 4.6.0, reference APAR IJ24099

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

Workarounds and Mitigations

None

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References

Complete CVSS v3 Guide
On-line Calculator v3

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Acknowledgement

Change History

6/08/2020: Final version published.

*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

Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.

Document Location

Worldwide

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Tips

Security Bulletin: A vulnerability in IBM WebSphere Application Server affects IBM Spectrum Scale packaged in IBM Elastic Storage Server (CVE-2019-4720)