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Security Bulletin: IBM Elastic Storage Server is affected by a vulnerability where an unprivileged user could execute commands as root ( CVE-2020-4273)

Security Bulletin


Summary

A security vulnerability has been identified in all levels of IBM Elastic Storage Server that could allow an unprivileged user to execute commands as root. A fix for this vulnerability is available

Vulnerability Details

CVEID:   CVE-2020-4273
DESCRIPTION:   IBM Spectrum Scale 4.2 and 5.0 could allow a local unprivileged attacker with intimate knowledge of the enviornment to execute commands as root using specially crafted input. IBM X-Force ID: 175977.
CVSS Base score: 7.4
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/175977 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H)

Affected Products and Versions

The Elastic Storage Server 5.3.0 thru 5.3.5.1
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 5.3.5.1, apply V5.3.5.2 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=All&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 5.3.5.2 or 5.2.10, contact IBM Service to obtain an efix:

- For IBM Elastic Storage Server 5.3.0-5.3.5.1, reference APAR IJ22412
- For IBM Elastic Storage Server 5.0.0- 5.2.9, reference APAR  IJ23026
- For IBM Elastic Storage Server 4.0.0 - 4.6.0, reference APAR  IJ23026

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

Off

Related Information

IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

Acknowledgement

Change History

17 Aug 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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Document Information

More support for:
IBM Elastic Storage Server

Software version:
4.2 &, 5.0

Operating system(s):
Linux

Document number:
6192915

Modified date:
17 August 2020

UID

ibm16192915

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