Home/CVE/An issue was discovered in the default FilterScheduler in OpenStack Nova 16.0.3. By repeatedly rebuilding an instance wi
CVE

CVE-2017-17051

An issue was discovered in the default FilterScheduler in OpenStack Nova 16.0.3. By repeatedly rebuilding an instance wi

An issue was discovered in the default FilterScheduler in OpenStack Nova 16.0.3. By repeatedly rebuilding an instance with new images, an authenticated user may consume untracked resources on a hypervisor host leading to a denial of service, aka doubled resource allocations. This regression was introduced with the fix for OSSA-2017-005 (CVE-2017-16239)

however, only Nova stable/pike or later deployments with that fix applied and relying on the default FilterScheduler are affected.

HIGH · CVSS 8.6 EPSS 0.00841
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-400Uncontrolled Resource Consumption
▤

Affected Products & Versions

1
openstack novaall versions
▤

Affected Packages

1
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
PyPI nova HIGH fixed in 16.0.4
▣

Scoring & Timeline

8.6
HIGH · CVSS v3.0 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD05 Dec 2017 · 06:29 PM
CVSS VectorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
⚑

Vendor Advisories

2
suse-csafSUSE-SU-2019:2267-1
suse-csafSUSE-SU-2019:2219-1
🔗

References & Sources

5
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://www.securityfocus.com/bid/102102Third Party AdvisoryVDB Entry
https://launchpad.net/bugs/1732976Issue TrackingThird Party Advisory
https://review.openstack.org/521662Vendor Advisory
https://review.openstack.org/523214Vendor Advisory
https://security.openstack.org/ossa/OSSA-2017-006.htmlVendor Advisory
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