5.3med
CVE-2016-2140
OpenStack Nova host data access through resize/migration
Also known as GHSA-49jv-37hm-6gfp, PYSEC-2026-864
Published 10 y ago · modified 4 mo ago · JSON
CVSS
5.3
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
2.1%
percentile 82%
Public exploits
0
none known
Summary
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.
Exploit prediction (EPSS)
2.11% probability of exploitation in the next 30 days, higher than 82% of all scored CVEs.
CVSS scores
| Assigned by | Version | Score | Vector |
|---|---|---|---|
| NVD | 3.0 | 5.3 | CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N |
| NVD | 2.0 | 3.5 | AV:N/AC:M/Au:S/C:P/I:N/A:N |
| OSV | 3.0 | 5.3 | CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N |
| GitHub | 3.0 | 5.3 | CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N |
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| pypi | nova | >=12.0.0, <12.0.3 | 12.0.3 |
Classification
- Weakness
- CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
References
- bugs.launchpad.net /nova/+bug/1548450 · x_refsource_CONFIRM, x_transferred
- security.openstack.org /ossa/OSSA-2016-007.html · x_refsource_CONFIRM, x_transferred
- securityfocus.com /bid/84277 · vdb-entry, x_refsource_BID, x_transferred
- openwall.com /lists/oss-security/2016/03/08/6 · mailing-list, x_refsource_MLIST, x_transferred
- nvd.nist.gov /vuln/detail/CVE-2016-2140 · advisory
- github.com /openstack/nova/commit/0b194187db9da28225cb5e62be3b45aff5a1c793 · web
- github.com /openstack/nova/commit/116b1210ab772c55d1ed1f715687d83877c92701 · web
- github.com /openstack/nova/commit/f302bf04ab5dda89cf8ceaeed309006da90c0666 · web
- access.redhat.com /errata/RHSA-2016:0363 · web
- access.redhat.com /errata/RHSA-2016:0364 · web
- access.redhat.com /errata/RHSA-2016:0365 · web
- access.redhat.com /errata/RHSA-2016:0366 · web
- access.redhat.com /security/cve/CVE-2016-2140 · web
- bugzilla.redhat.com /show_bug.cgi?id=1313454 · web
- github.com /openstack/nova · package
- seclists.org /oss-sec/2016/q1/563 · web
- pypi.org /project/nova · package
- github.com /advisories/GHSA-49jv-37hm-6gfp · advisory
Sources
- CVE List: CVE-2016-2140
- GitHub Advisory: GHSA-49jv-37hm-6gfp
- NVD: CVE-2016-2140
- OSV: PYSEC-2026-864
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