// For flags

CVE-2017-17051

 

Severity Score

8.6
*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

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.

Se ha descubierto un problema en el FilterScheduler por defecto en OpenStack Nova 16.0.3. Mediante la reconstrucción repetida de una instancia con nuevas imágenes, un usuario autenticado podría consumir recursos no seguidos en un host de hipervisor, lo que conduce a una denegación de servicio (DoS). Esto también se conoce como dobles asignaciones de recursos. Esta regresión fue introducida con el fix para OSSA-2017-005 (CVE-2017-16239); sin embargo, solo las implementaciones Nova stable/pike o siguientes con dicho fix aplicado y dependientes del FilterScheduler se han visto afectadas.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Changed
Confidentiality
None
Integrity
None
Availability
High
Attack Vector
Network
Attack Complexity
Low
Authentication
Single
Confidentiality
None
Integrity
None
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2017-11-28 CVE Reserved
  • 2017-12-05 CVE Published
  • 2023-06-07 EPSS Updated
  • 2024-08-05 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-400: Uncontrolled Resource Consumption
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Openstack
Search vendor "Openstack"
Nova
Search vendor "Openstack" for product "Nova"
16.0.3
Search vendor "Openstack" for product "Nova" and version "16.0.3"
-
Affected