CVE-2017-15595
Xen - Pagetable De-typing Unbounded Recursion
Severity Score
8.8
*CVSS v3
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
1
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
An issue was discovered in Xen through 4.9.x allowing x86 PV guest OS users to cause a denial of service (unbounded recursion, stack consumption, and hypervisor crash) or possibly gain privileges via crafted page-table stacking.
Se ha descubierto un problema en Xen hasta las versiones 4.9.x que permite que usuarios invitados del sistema operativo x86 PV provoquen una denegación de servicio (recursión infinita consumo de pila y cierre inesperado del hipervisor) o que puedan obtener privilegios mediante el apilamiento manipulado de tablas de paginación.
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2017-10-18 CVE Reserved
- 2017-10-18 CVE Published
- 2023-03-07 EPSS Updated
- 2024-08-05 CVE Updated
- 2024-08-05 First Exploit
- ---------- Exploited in Wild
- ---------- KEV Due Date
CWE
- CWE-400: Uncontrolled Resource Consumption
CAPEC
References (7)
URL | Tag | Source |
---|---|---|
https://lists.debian.org/debian-lts-announce/2017/11/msg00027.html | Mailing List | |
https://lists.debian.org/debian-lts-announce/2018/10/msg00021.html | Mailing List | |
https://support.citrix.com/article/CTX228867 | X_refsource_confirm |
URL | Date | SRC |
---|---|---|
https://www.exploit-db.com/exploits/43014 | 2024-08-05 |
URL | Date | SRC |
---|---|---|
https://xenbits.xen.org/xsa/advisory-240.html | 2018-10-30 |
URL | Date | SRC |
---|---|---|
https://security.gentoo.org/glsa/201801-14 | 2018-10-30 | |
https://www.debian.org/security/2017/dsa-4050 | 2018-10-30 |