CVE-2016-9379
Gentoo Linux Security Advisory 201612-56
Severity Score
Exploit Likelihood
Affected Versions
Public Exploits
0Exploited in Wild
-Decision
Descriptions
The pygrub boot loader emulator in Xen, when S-expression output format is requested, allows local pygrub-using guest OS administrators to read or delete arbitrary files on the host via string quotes and S-expressions in the bootloader configuration file.
El emulador de cargador de arranque pygrub en Xen, cuando se solicita el formato de salida de la expresión S, permite a administradores locales del SO invitado que utilizan pygrub leer o eliminar archivos arbitrarios en el host a través de citas de cadenas y expresiones S en el archivo de configuración del gestor de arranque.
Multiple vulnerabilities have been found in Xen, the worst of which could lead to the execution of arbitrary code on the host system. Versions less than 4.7.1-r4 are affected.
CVSS Scores
SSVC
- Decision:-
Timeline
- 2016-11-17 CVE Reserved
- 2017-01-02 CVE Published
- 2024-08-06 CVE Updated
- 2025-03-30 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-20: Improper Input Validation
CAPEC
References (6)
| URL | Tag | Source |
|---|---|---|
| http://www.securityfocus.com/bid/94473 | Third Party Advisory | |
| http://www.securitytracker.com/id/1037347 | Third Party Advisory |
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| http://xenbits.xen.org/xsa/advisory-198.html | 2017-07-01 | |
| http://xenbits.xen.org/xsa/xsa198.patch | 2017-07-01 | |
| https://support.citrix.com/article/CTX218775 | 2017-07-01 |
| URL | Date | SRC |
|---|---|---|
| https://security.gentoo.org/glsa/201612-56 | 2017-07-01 |
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Xen Search vendor "Xen" | Xen Search vendor "Xen" for product "Xen" | * | - |
Affected
| ||||||
| Citrix Search vendor "Citrix" | Xenserver Search vendor "Citrix" for product "Xenserver" | 6.0.2 Search vendor "Citrix" for product "Xenserver" and version "6.0.2" | - |
Affected
| ||||||
| Citrix Search vendor "Citrix" | Xenserver Search vendor "Citrix" for product "Xenserver" | 6.2.0 Search vendor "Citrix" for product "Xenserver" and version "6.2.0" | - |
Affected
| ||||||
| Citrix Search vendor "Citrix" | Xenserver Search vendor "Citrix" for product "Xenserver" | 6.5 Search vendor "Citrix" for product "Xenserver" and version "6.5" | - |
Affected
| ||||||
| Citrix Search vendor "Citrix" | Xenserver Search vendor "Citrix" for product "Xenserver" | 7.0 Search vendor "Citrix" for product "Xenserver" and version "7.0" | - |
Affected
| ||||||