Red Hat Enterprise Virtualization Manager Snapshot Deletion Flaw Lets Remote Authenticated Users Obtain Potentially Sensitive Information
SecurityTracker Alert ID: 1030664|
SecurityTracker URL: http://securitytracker.com/id/1030664
(Links to External Site)
Date: Aug 4 2014
Disclosure of system information, Disclosure of user information|
Fix Available: Yes Vendor Confirmed: Yes |
A vulnerability was reported in Red Hat Enterprise Virtualization Manager. A remote authenticated user can obtain potentially sensitive information.|
The oVirt storage back end does not properly erase memory snapshots when deleting VMs, even if wipe-after-delete is enabled. A remote authenticated user with privileges to create a new VM can exploit this flaw to obtain the contents of memory snapshots on an uninitialized storage volume.
Idan Shaby and Allon Mureinik of Red Hat reported this vulnerability.
A remote authenticated user can obtain potentially sensitive information from memory snapshots on uninitialized storage volume.|
The vendor has issued a fix.|
The vendor's advisory is available at:
Vendor URL: rhn.redhat.com/errata/RHSA-2014-1002.html (Links to External Site)
Access control error|
|Underlying OS: Linux (Red Hat Enterprise)|
Source Message Contents
Subject: [RHSA-2014:1002-01] Moderate: rhevm security update|
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Red Hat Security Advisory
Synopsis: Moderate: rhevm security update
Advisory ID: RHSA-2014:1002-01
Product: Red Hat Enterprise Virtualization
Advisory URL: https://rhn.redhat.com/errata/RHSA-2014-1002.html
Issue date: 2014-08-04
CVE Names: CVE-2014-3559
Updated rhevm packages that fix one security issue are now available.
The Red Hat Security Response Team has rated this update as having Moderate
security impact. A Common Vulnerability Scoring System (CVSS) base score,
which gives a detailed severity rating, is available from the CVE link in
the References section.
2. Relevant releases/architectures:
RHEV-M 3.4 - noarch
Red Hat Enterprise Virtualization is a feature-rich server virtualization
management system that provides advanced capabilities for managing Red Hat
virtualization infrastructure for Servers and Desktops.
It was found that the oVirt storage back end did not wipe memory snapshots
when VMs were deleted, even if wipe-after-delete (WAD) was enabled for the
VM's disks. A remote attacker with credentials to create a new VM could use
this flaw to potentially access the contents of memory snapshots in an
uninitialized storage volume, possibly leading to the disclosure of
sensitive information. (CVE-2014-3559)
This issue was discovered by Idan Shaby and Allon Mureinik of Red Hat.
All rhevm users are advised to upgrade to these updated packages, which
correct this issue.
Before applying this update, make sure all previously released errata
relevant to your system have been applied.
This update is available via the Red Hat Network. Details on how to use the
Red Hat Network to apply this update are available at
5. Bugs fixed (https://bugzilla.redhat.com/):
1121925 - CVE-2014-3559 ovirt-engine-backend: memory snapshots not wiped when deleting a VM with wipe-after-delete (WAD) enabled for its disks
6. Package List:
These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
The Red Hat security contact is <firstname.lastname@example.org>. More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2014 Red Hat, Inc.
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