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Date: Wed, 11 Dec 2013 15:43:30 +0100
From: Thierry Carrez <>
To: Open Source Security <>
Subject: CVE request for a vulnerability in OpenStack Nova

A vulnerability was discovered in OpenStack (see below). In order to
ensure full traceability, we need a CVE number assigned that we can
attach to further notifications. This issue is already public,
although an advisory was not sent yet.

Title: Nova live snapshots use an insecure local directory
Reporter: Daniel Berrange (Red Hat)
Products: Nova
Affects: Grizzly and later

Daniel Berrange from Red Hat reported that the directories used to
temporarily store live snapshots on Nova compute nodes were writeable to
all local users. A local attacker with shell access on compute nodes
could therefore read and modify the contents of live snapshots before
those are uploaded to the image service.


Thanks in advance,

Thierry Carrez (ttx)
OpenStack Vulnerability Management Team

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