Vulnerability in Kubernetes
CVE-2017-1002101
In Kubernetes versions 1.3.x, 1.4.x, 1.5.x, 1.6.x and prior to versions 1.7.14, 1.8.9 and 1.9.4 containers using subpath volume mounts with any volume type (including non-privileged pods, subject to file permissions) can access files/directories outside of the volume, including the host's filesystem.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.129 (96.2th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 96th percentile — 96.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.133 · newest: 0.129 · change: -0.003
Affected products
- Kubernetes — versions unspecified, v1.5.x, v1.3.x
Weakness classification (CWE)
Public proof-of-concept exploits
- bgeesaman/subpath-exploit
- 43622283/awesome-cloud-native-security
- ARPSyndicate/cvemon
- LouisLiuNova/container-escape-exploits
- Metarget/awesome-cloud-native-security
- Metarget/cloud-native-security-book
- Metarget/metarget
- Pray3r/cloud-native-security
- adavarski/HomeLab-Proxmox-k8s-DevSecOps-playground
- adavarski/HomeLab-k8s-DevSecOps-playground
References
- access.redhat.com/errata/RHSA-2018:0475 (vendor-advisory, Third Party Advisory)
- github.com/kubernetes/kubernetes/issues/60813 (Mitigation, Issue Tracking, Vendor Advisory)
- github.com/bgeesaman/subpath-exploit/ (Exploit, Third Party Advisory)
- lists.opensuse.org/opensuse-security-announce/2020-04/msg00041.html (vendor-advisory)
Frequently asked questions
- What is CVE-2017-1002101?
- CVE-2017-1002101 is a high-severity vulnerability in Kubernetes, classified under Improper Link Resolution Before File Access. CVSS score: 8.8/10. Published 2018-03-13.
- How severe is CVE-2017-1002101?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2017-1002101 known to be exploited?
- 24 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.