[Openstack-security] [openstack/nova] SecurityImpact review request change I2016efdb3f49a44ec4d677ac596eacc97871f30a
gerrit2 at review.openstack.org
gerrit2 at review.openstack.org
Wed Mar 26 22:21:21 UTC 2014
Hi, I'd like you to take a look at this patch for potential
SecurityImpact.
https://review.openstack.org/82840
Log:
commit 7fc3440cd3ad799a743797077aaffb0a3910d1e4
Author: David Ripton <dripton at redhat.com>
Date: Tue Jan 28 16:38:51 2014 -0500
Persist image format to a file, to prevent attacks based on changing it
The attack is based on creating a raw image that looks like a qcow2
image, and taking advantage of the code that used 'qemu-img info' to
autodetect the image format.
Now we store the image format to a 'disk.info' file, for Qcow2 and Raw
images, and only autodetect for images that have never been written to
that file.
SecurityImpact
Change-Id: I2016efdb3f49a44ec4d677ac596eacc97871f30a
Closes-bug: #1221190
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