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

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/&gt;

Workarounds and Mitigations

None