CVE-2019-11249
kubectl cp allows symlink directory traversal
Severity Score
Exploit Likelihood
Affected Versions
Public Exploits
0Exploited in Wild
-Decision
Descriptions
The kubectl cp command allows copying files between containers and the user machine. To copy files from a container, Kubernetes runs tar inside the container to create a tar archive, copies it over the network, and kubectl unpacks it on the user’s machine. If the tar binary in the container is malicious, it could run any code and output unexpected, malicious results. An attacker could use this to write files to any path on the user’s machine when kubectl cp is called, limited only by the system permissions of the local user. Kubernetes affected versions include versions prior to 1.13.9, versions prior to 1.14.5, versions prior to 1.15.2, and versions 1.1, 1.2, 1.4, 1.4, 1.5, 1.6, 1.7, 1.8, 1.9, 1.10, 1.11, 1.12.
El comando kubectl cp permite copiar archivos entre contenedores y la máquina del usuario. Para copiar archivos de un contenedor, Kubernetes ejecuta tar dentro del contenedor para crear un archivo tar, lo copia a través de la red y kubectl lo descomprime en la máquina del usuario. Si el binario tar en el contenedor es malicioso, podría ejecutar cualquier código y generar resultados inesperados y maliciosos. Un atacante podría usar esto para escribir archivos en cualquier ruta en la máquina del usuario cuando se llama a kubectl cp, limitado solo por los permisos del sistema del usuario local. Las versiones afectadas de Kubernetes incluyen versiones anteriores a la versión 1.13.9, versiones anteriores a la versión 1.14.5, versiones anteriores a la versión 1.15.2 y versiones 1.1, 1.2, 1.4, 1.4, 1.5, 1.6, 1.7, 1.8, 1.9, 1.10, 1.11, 1.12 .
CVSS Scores
SSVC
- Decision:-
Timeline
- 2019-04-17 CVE Reserved
- 2019-08-29 CVE Published
- 2024-07-29 EPSS Updated
- 2024-09-16 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
- CWE-61: UNIX Symbolic Link (Symlink) Following
CAPEC
References (10)
| URL | Tag | Source |
|---|---|---|
| https://security.netapp.com/advisory/ntap-20190919-0003 | Third Party Advisory |
|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://github.com/kubernetes/kubernetes/issues/80984 | 2020-10-02 | |
| https://groups.google.com/d/msg/kubernetes-security-announce/vUtEcSEY6SM/v2ZZxsmtFQAJ | 2020-10-02 |
| URL | Date | SRC |
|---|---|---|
| https://access.redhat.com/errata/RHBA-2019:2794 | 2020-10-02 | |
| https://access.redhat.com/errata/RHBA-2019:2816 | 2020-10-02 | |
| https://access.redhat.com/errata/RHBA-2019:2824 | 2020-10-02 | |
| https://access.redhat.com/errata/RHSA-2019:3239 | 2020-10-02 | |
| https://access.redhat.com/errata/RHSA-2019:3811 | 2020-10-02 | |
| https://access.redhat.com/security/cve/CVE-2019-11249 | 2019-11-07 | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1737651 | 2019-11-07 |
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Kubernetes Search vendor "Kubernetes" | Kubernetes Search vendor "Kubernetes" for product "Kubernetes" | >= 1.0.0 <= 1.12.10 Search vendor "Kubernetes" for product "Kubernetes" and version " >= 1.0.0 <= 1.12.10" | - |
Affected
| ||||||
| Kubernetes Search vendor "Kubernetes" | Kubernetes Search vendor "Kubernetes" for product "Kubernetes" | >= 1.13.0 < 1.13.9 Search vendor "Kubernetes" for product "Kubernetes" and version " >= 1.13.0 < 1.13.9" | - |
Affected
| ||||||
| Kubernetes Search vendor "Kubernetes" | Kubernetes Search vendor "Kubernetes" for product "Kubernetes" | >= 1.14.0 < 1.14.5 Search vendor "Kubernetes" for product "Kubernetes" and version " >= 1.14.0 < 1.14.5" | - |
Affected
| ||||||
| Kubernetes Search vendor "Kubernetes" | Kubernetes Search vendor "Kubernetes" for product "Kubernetes" | >= 1.15.0 < 1.15.2 Search vendor "Kubernetes" for product "Kubernetes" and version " >= 1.15.0 < 1.15.2" | - |
Affected
| ||||||
| Kubernetes Search vendor "Kubernetes" | Kubernetes Search vendor "Kubernetes" for product "Kubernetes" | 1.12.11 Search vendor "Kubernetes" for product "Kubernetes" and version "1.12.11" | beta0 |
Affected
| ||||||
| Redhat Search vendor "Redhat" | Openshift Container Platform Search vendor "Redhat" for product "Openshift Container Platform" | 3.9 Search vendor "Redhat" for product "Openshift Container Platform" and version "3.9" | - |
Affected
| ||||||
| Redhat Search vendor "Redhat" | Openshift Container Platform Search vendor "Redhat" for product "Openshift Container Platform" | 3.10 Search vendor "Redhat" for product "Openshift Container Platform" and version "3.10" | - |
Affected
| ||||||
| Redhat Search vendor "Redhat" | Openshift Container Platform Search vendor "Redhat" for product "Openshift Container Platform" | 3.11 Search vendor "Redhat" for product "Openshift Container Platform" and version "3.11" | - |
Affected
| ||||||
| Redhat Search vendor "Redhat" | Openshift Container Platform Search vendor "Redhat" for product "Openshift Container Platform" | 4.1 Search vendor "Redhat" for product "Openshift Container Platform" and version "4.1" | - |
Affected
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