OpenStack Compute libvirt driver information disclosure

openstack-cve20137130-info-disc (90652) The risk level is classified as MediumMedium Risk

Description:

OpenStack Compute (Nova) could allow a remote attacker to obtain sensitive information, caused by an error in the libvirt driver. If the root disk is downloaded and saved as the ephemeral file, a remote authenticated attacker could exploit this vulnerability to expose a root disk and obtain sensitive information.

*CVSS:

Base Score: 6.8
  Access Vector: Network
  Access Complexity: Low
  Authentication: Single
  Confidentiality Impact: Complete
  Integrity Impact: None
  Availability Impact: None
 
Temporal Score: 5
  Exploitability: Unproven
  Remediation Level: Official-Fix
  Report Confidence: Confirmed

Consequences:

Obtain Information

Remedy:

Refer to OSSA 2014-003 for patch, upgrade or suggested workaround information. See References.

References:

  • Launchpad Bug #1251590: Live migration can leak root disk into ephemeral storage (CVE-2013-7130).
  • OpenStack Compute Web Site: OpenStack Compute.
  • oss-sec Mailing List, Fri, 24 Jan 2014 02:38:24 +1000: [OSSA 2014-003] Live migration can leak root disk into ephemeral storage (CVE-2013-7130).
  • BID-65106: OpenStack Compute (Nova) CVE-2013-7130 Information Disclosure Vulnerability
  • CVE-2013-7130: The i_create_images_and_backing (aka create_images_and_backing) method in libvirt driver in OpenStack Compute (Nova) Grizzly, Havana, and Icehouse, when using KVM live block migration, does not properly create all expected files, which allows attackers to obtain snapshot root disk contents of other users via ephemeral storage.

Platforms Affected:

  • OpenStack Compute Grizzly 2013.1
  • OpenStack Compute Havana 2013.2

Reported:

Jan 24, 2014

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The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall IBM be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.

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