Kubernetes: CVE-2021-25741: Symlink Exchange Can Allow Host Filesystem Access
6
(AV:N/AC:L/Au:S/C:P/I:P/A:N)
09/20/2021
03/11/2022
03/10/2022
03/28/2022
Description
A security issue was discovered in Kubernetes where a user may be able to create a container with subpath volume mounts to access files & directories outside of the volume, including on the host filesystem.
Solution(s)
- kubernetes-upgrade-1_19_15
- kubernetes-upgrade-1_20_11
- kubernetes-upgrade-1_21_5
- kubernetes-upgrade-1_22_2
Advanced vulnerability management analytics and reporting.
Key Features
- Lightweight Endpoint Agent
- Live Dashboards
- Real Risk Prioritization
- IT-Integrated Remediation Projects
- Cloud, Virtual, and Container Assessment
- Integrated Threat Feeds
- Easy-to-Use RESTful API
- Automation-Assisted Patching
- Automated Containment
With Rapid7 live dashboards, I have a clear view of all the assets on my network, which ones can be exploited, and what I need to do in order to reduce the risk in my environment in real-time. No other tool gives us that kind of value and insight.
– Scott Cheney, Manager of Information Security, Sierra View Medical Center