Vulnerability in Kubernetes
CVE-2018-1002105
In all Kubernetes versions prior to v1.10.11, v1.11.5, and v1.12.3, incorrect handling of error responses to proxied upgrade requests in the kube-apiserver allowed specially crafted requests to establish a connection through the Kubernetes…
EPSS: 0.901 (99.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Kubernetes — versions v1.8.x, v1.6.x, v1.4.x
Public proof-of-concept exploits
References
- groups.google.com/forum/ (x_refsource_CONFIRM)
- 46053 (exploit, x_refsource_EXPLOIT-DB)
- RHSA-2018:3549 (x_refsource_REDHAT, vendor-advisory)
- RHSA-2018:3752 (x_refsource_REDHAT, vendor-advisory)
- 46052 (exploit, x_refsource_EXPLOIT-DB)
- RHSA-2018:3624 (x_refsource_REDHAT, vendor-advisory)
- www.coalfire.com/The-Coalfire-Blog/December-2018/Kubernetes-Vulnerability-What-… (x_refsource_MISC)
- github.com/kubernetes/kubernetes/issues/71411 (x_refsource_CONFIRM)
- RHSA-2018:3742 (x_refsource_REDHAT, vendor-advisory)
- RHSA-2018:3754 (x_refsource_REDHAT, vendor-advisory)
Frequently asked questions
- What is CVE-2018-1002105?
- CVE-2018-1002105 is a critical-severity vulnerability in Kubernetes. CVSS score: 9.8/10. Published 2018-12-05.
- How severe is CVE-2018-1002105?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2018-1002105 known to be exploited?
- 57 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.