MEDIUM5.3
PYSEC-2026-864
OpenStack Nova host data access through resize/migration
Quick fix
PYSEC-2026-864 — nova: upgrade to the fixed version with the command below.
pip install --upgrade 'nova>=12.0.3'Details
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.
Are you affected?
Enter the version of the package you're using.
Affected packages
References
- https://nvd.nist.gov/vuln/detail/CVE-2016-2140[ADVISORY]
- https://github.com/openstack/nova/commit/0b194187db9da28225cb5e62be3b45aff5a1c793[WEB]
- https://github.com/openstack/nova/commit/116b1210ab772c55d1ed1f715687d83877c92701[WEB]
- https://github.com/openstack/nova/commit/f302bf04ab5dda89cf8ceaeed309006da90c0666[WEB]
- https://access.redhat.com/errata/RHSA-2016:0363[WEB]
- https://access.redhat.com/errata/RHSA-2016:0364[WEB]
- https://access.redhat.com/errata/RHSA-2016:0365[WEB]
- https://access.redhat.com/errata/RHSA-2016:0366[WEB]
- https://access.redhat.com/security/cve/CVE-2016-2140[WEB]
- https://bugs.launchpad.net/nova/+bug/1548450[WEB]
- https://bugzilla.redhat.com/show_bug.cgi?id=1313454[WEB]
- https://github.com/openstack/nova[PACKAGE]
- https://security.openstack.org/ossa/OSSA-2016-007.html[WEB]
- http://seclists.org/oss-sec/2016/q1/563[WEB]
- http://www.openwall.com/lists/oss-security/2016/03/08/6[WEB]
- http://www.securityfocus.com/bid/84277[WEB]
- https://pypi.org/project/nova[PACKAGE]
- https://github.com/advisories/GHSA-49jv-37hm-6gfp[ADVISORY]