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Date: Tue, 14 Nov 2017 16:28:50 +0000
From: Tristan Cacqueray <>
Subject: [OSSA-2017-005] Nova Filter Scheduler bypass through rebuild action

OSSA-2017-005: Nova Filter Scheduler bypass through rebuild action

:Date: November 14, 2017
:CVE: CVE-2017-16239

- Nova: <=14.0.9, >=15.0.0 <=15.0.7, >=16.0.0 <=16.0.2

George Shuklin from reported a vulnerability in Nova. By
rebuilding an instance, an authenticated user may be able to
circumvent the Filter Scheduler bypassing imposed filters (for
example, the ImagePropertiesFilter or the IsolatedHostsFilter). All
setups using Nova Filter Scheduler are affected.

- (Newton)
- (Ocata)
- (Pike)
- (Queens)

- George Shuklin from (CVE-2017-16239)


Tristan Cacqueray
OpenStack Vulnerability Management Team

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