Improper input validation in Kubernetes
CVE-2018-1002100
In Kubernetes versions 1.5.x, 1.6.x, 1.7.x, 1.8.x, and prior to version 1.9.6, the kubectl cp command insecurely handles tar data returned from the container, and can be caused to overwrite arbitrary local files.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.2 (Medium). Vector: CVSS:3.0/AV:N/AC:H/PR:H/UI:R/S:U/C:N/I:H/A:N.
EPSS exploit prediction
EPSS: 0.017 (76.4th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 76th percentile — 76.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.016 · newest: 0.017 · change: +0.001
Affected products
- Kubernetes — versions unspecified, v1.5.x, v1.7.x
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/kubernetes/kubernetes/issues/61297 (Third Party Advisory)
- hansmi.ch/articles/2018-04-openshift-s2i-security (Third Party Advisory)
- bugzilla.redhat.com/show_bug.cgi (Third Party Advisory, Issue Tracking)
Frequently asked questions
- What is CVE-2018-1002100?
- CVE-2018-1002100 is a medium-severity vulnerability in Kubernetes, classified under Improper Input Validation. CVSS score: 4.2/10. Published 2018-06-02.
- How severe is CVE-2018-1002100?
- Medium severity. CVSS v3 base score is 4.2 out of 10.
- Is CVE-2018-1002100 known to be exploited?
- 9 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.