Security Bulletin: A vulnerability has been identified in Spectrum Scale packaged in Elastic Storage Server where an unprivileged user to cause denial of service( CVE-2020-4412)

Security Bulletin

Summary

The Elastic Storage Server is affected by a vulnerability in IBM Spectrum Scale where an unprivileged user can cause a denial of service. A fix for this vulnerability is available.

Vulnerability Details

CVEID: CVE-2020-4412
DESCRIPTION: The Spectrum Scale 4.2.0.0 through 4.2.3.21 and 5.0.0.0 through 5.0.4.3 file system component is affected by a denial of service security vulnerability. An attacker can force the Spectrum Scale mmfsd/mmsdrserv daemons to unexpectedly exit, impacting the functionality of the Spectrum Scale cluster and the availability of file systems managed by Spectrum Scale. IBM X-Force ID: 179987.
CVSS Base score: 5.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/179987 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)

Affected Products and Versions

The Elastic Storage Server 5.3.0 through 5.3.5
The Elastic Storage Server 5.0.0 through 5.2.9
The Elastic Storage Server 4.5.0 through 4.6.0.0
The Elastic Storage Server 4.0.0 through 4.0.6.0

Remediation/Fixes

For IBM Elastic Storage Server V5.3.0. through V5.3.5, apply V5.3.6 available from FixCentral at:

https://www-945.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. through 5.2.9, apply V5.2.10 available from FixCentral at:

https://www-945.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

Workarounds and Mitigations

None

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References

Complete CVSS v3 Guide
On-line Calculator v3

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Change History

28 Aug 2020: Initial Publication

*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 has been identified in Spectrum Scale packaged in Elastic Storage Server where an unprivileged user to cause denial of service( CVE-2020-4412)