Security Bulletin: IBM Spectrum Scale for IBM Elastic Storage Server is affected where the local attacker can obtain root privilege by injecting parameters into setuid files (CVE-2019-4558)

Summary

The Elastic Storage Server is affected by a vulnerability in IBM Spectrum Scale where one can obtain root privilege by injecting parameters into setuid files. A fix for this vulnerability is available.

Vulnerability Details

CVEID:CVE-2019-4558
**DESCRIPTION:**A security vulnerability has been identified in all levels of IBM Spectrum Scale V5.0.0.0 through V5.0.3.2 and IBM Spectrum Scale V4.2.0.0 through V4.2.3.17 that could allow a local attacker to obtain root privilege by injecting parameters into setuid files.
CVSS Base score: 8.1
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/166282 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/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 through 5.3.4.1
The Elastic Storage Server 5.0.0 through 5.2.7.0
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 V5.0.0. through V5.3.4.1, apply V5.3.4.2 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 5.2.7.0, apply V5.2.8 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

If you are unable to upgrade to ESS 5.3.2.0 or 5.2.5, please contact IBM Service to obtain an efix:

- For IBM Elastic Storage Server 5.3.0.0 - 5.3.4.1, reference APAR IJ18477
- For IBM Elastic Storage Server 5.0.0.0 - 5.2.7.0, reference APAR IJ18518
- For IBM Elastic Storage Server 4.0.0 - 4.6.0, reference APAR IJ18518

To contact IBM Service, see <http://www.ibm.com/planetwide/&gt;

Workarounds and Mitigations

None