OpenStack Compute (Nova) compression 'qcow2 'Disk Image Denial of Service Vulnerability

Source: Internet
Author: User
Tags openstack swift

OpenStack Compute (Nova) compression 'qcow2 'Disk Image Denial of Service Vulnerability

Release date:
Updated on:

Affected Systems:
Openstack Nova
Description:
--------------------------------------------------------------------------------
Bugtraq id: 63467
CVE (CAN) ID: CVE-2013-4463

OpenStack Compute (Nova) is a cloud computing constructor written in Python and is part of the laaS system.

OpenStack Compute (Nova) Folsom, Grizzly, Havana does not verify the actual size of the QCOW2 image after use_cow_images is set to False, A local user can exploit this vulnerability to cause a denial of service (the host file system disk is exhausted) by transmitting images that do not contain a large amount of data but have a large effectiveness ).

<* Source: Bernhard M. Wiedemann

Link: https://bugzilla.redhat.com/show_bug.cgi? Id = 1023239
*>

Suggestion:
--------------------------------------------------------------------------------
Vendor patch:

Openstack
---------
The vendor has released a patch to fix this security problem. Please download it from the vendor's homepage:

Http://lists.openstack.org/pipermail/openstack-announce/
Https://bugs.launchpad.net/nova/+bug/1206081
Http://www.openwall.com/lists/oss-security/2013/10/31/3
Https://bugzilla.redhat.com/attachment.cgi? Id = 816275
Https://bugzilla.redhat.com/attachment.cgi? Id = 816276
Https://bugzilla.redhat.com/attachment.cgi? Id = 816277

Install and deploy Openstack on Ubuntu 12.10

Ubuntu 12.04 OpenStack Swift single-node deployment Manual

OpenStack cloud computing quick start tutorial

Deploying OpenStack for enterprises: what should be done and what should not be done

Related Article

Contact Us

The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion; products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the content of the page makes you feel confusing, please write us an email, we will handle the problem within 5 days after receiving your email.

If you find any instances of plagiarism from the community, please send an email to: info-contact@alibabacloud.com and provide relevant evidence. A staff member will contact you within 5 working days.

A Free Trial That Lets You Build Big!

Start building with 50+ products and up to 12 months usage for Elastic Compute Service

  • Sales Support

    1 on 1 presale consultation

  • After-Sales Support

    24/7 Technical Support 6 Free Tickets per Quarter Faster Response

  • Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.