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CVE-2015-7548

Published: 12 January 2016

OpenStack Compute (Nova) before 2015.1.3 (kilo) and 12.0.x before 12.0.1 (liberty), when using libvirt to spawn instances and use_cow_images is set to false, allow remote authenticated users to read arbitrary files by overwriting an instance disk with a crafted image and requesting a snapshot.

Priority

Medium

Cvss 3 Severity Score

3.5

Score breakdown

Status

Package Release Status
nova
Launchpad, Ubuntu, Debian
precise Ignored
(end of life)
trusty
Released (1:2014.1.5-0ubuntu1.7)
upstream
Released (12.0.1)
wily Not vulnerable
(2:12.0.3-0ubuntu1)
xenial Not vulnerable
(2:13.0.0-0ubuntu2)
yakkety Not vulnerable
(2:13.0.0-0ubuntu4)
zesty Not vulnerable
(2:13.0.0-0ubuntu4)
vivid Ignored
(end of life)

Severity score breakdown

Parameter Value
Base score 3.5
Attack vector Network
Attack complexity High
Privileges required Low
User interaction None
Scope Changed
Confidentiality Low
Integrity impact None
Availability impact None
Vector CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:N/A:N