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CVE-2016-2140: OpenStack Nova host data access through resize/migration

May 14, 2022 (updated May 14, 2024)

The libvirt driver in OpenStack Compute (Nova) before 2015.1.4 (kilo) and 12.0.x before 12.0.3 (liberty), when using raw storage and use_cow_images is set to false, allows remote authenticated users to read arbitrary files via a crafted qcow2 header in an ephemeral or root disk.

References

  • access.redhat.com/errata/RHSA-2016:0363
  • access.redhat.com/errata/RHSA-2016:0364
  • access.redhat.com/errata/RHSA-2016:0365
  • access.redhat.com/errata/RHSA-2016:0366
  • access.redhat.com/security/cve/CVE-2016-2140
  • bugs.launchpad.net/nova/+bug/1548450
  • bugzilla.redhat.com/show_bug.cgi?id=1313454
  • github.com/advisories/GHSA-49jv-37hm-6gfp
  • github.com/openstack/nova
  • github.com/openstack/nova/commit/0b194187db9da28225cb5e62be3b45aff5a1c793
  • github.com/openstack/nova/commit/116b1210ab772c55d1ed1f715687d83877c92701
  • github.com/openstack/nova/commit/f302bf04ab5dda89cf8ceaeed309006da90c0666
  • nvd.nist.gov/vuln/detail/CVE-2016-2140
  • security.openstack.org/ossa/OSSA-2016-007.html

Code Behaviors & Features

Detect and mitigate CVE-2016-2140 with GitLab Dependency Scanning

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Affected versions

All versions starting from 12.0.0 before 12.0.3

Fixed versions

  • 12.0.3

Solution

Upgrade to version 12.0.3 or above.

Impact 5.3 MEDIUM

CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N

Learn more about CVSS

Weakness

  • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor

Source file

pypi/nova/CVE-2016-2140.yml

Spotted a mistake? Edit the file on GitLab.

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