Security Bulletin: IBM Spectrum Scale is affected by a security vulnerability (CVE-2016-0263)

Security Bulletin

Summary

A security vulnerability has been identified in the current levels of IBM Spectrum Scale V4.2, V4.1 and IBM General Parallel File System V3.5, that could allow a local user, under special circumstances, to escalate their privileges or cause a denial of service when the mmapplypolicy command is issued with certain options and syntax.

Vulnerability Details

CVEID: CVE-2016-0263
DESCRIPTION: IBM General Parallel File System could allow a local user under special circumstances to escalate their privileges or cause a denial of service.
CVSS Base Score: 7
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/110661 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H)

Affected Products and Versions

IBM Spectrum Scale V4.2
IBM Spectrum Scale V4.1
IBM General Parallel File System V3.5

Remediation/Fixes

To apply the fix for the mmapplypolicy command vulnerability, install the latest level of code available.

For IBM Spectrum Scale V4.2.0.0 thru V4.2.0.1, apply V4.2.0.2 available at
http://www-933.ibm.com/support/fixcentral/swg/selectFixes?parent=Software%2Bdefined%2Bstorage&product=ibm/StorageSoftware/IBM+Spectrum+Scale&release=All&platform=All&function=all

For IBM Spectrum Scale V4.1.0.0 thru V4.1.1.4, apply V4.1.1.5 available at http://www-933.ibm.com/support/fixcentral/swg/selectFixes?parent=Software%2Bdefined%2Bstorage&product=ibm/StorageSoftware/IBM+Spectrum+Scale&release=4.1.1&platform=All&function=all

For IBM General Parallel File System V3.5.0.0 thru V3.5.0.29, apply V3.5.0.30 available at
http://www-933.ibm.com/support/fixcentral/swg/selectFixes?parent=Cluster%2Bsoftware&product=ibm/power/IBM+General+Parallel+File+System&release=3.5.0&platform=All&function=all

Workarounds and Mitigations

None

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References

Complete CVSS v2 Guide
On-line Calculator v2

Complete CVSS v3 Guide
On-line Calculator v3

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*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.

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Tips

Security Bulletin: IBM Spectrum Scale is affected by a security vulnerability (CVE-2016-0263)