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 API server to backend servers, then send arbitrary requests over the same connection directly to the backend, authenticated with the Kubernetes API server's TLS credentials used to establish the backend connection.
Published 2018-12-05 21:29:00
Updated 2019-06-28 21:15:10
Source Kubernetes
View at NVD,   CVE.org

Exploit prediction scoring system (EPSS) score for CVE-2018-1002105

Probability of exploitation activity in the next 30 days: 54.12%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 97 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2018-1002105

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Source
7.5
HIGH AV:N/AC:L/Au:N/C:P/I:P/A:P
10.0
6.4
nvd@nist.gov
9.8
CRITICAL CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
3.9
5.9
jordan@liggitt.net
9.8
CRITICAL CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
3.9
5.9
nvd@nist.gov

CWE ids for CVE-2018-1002105

  • Assigned by: nvd@nist.gov (Primary)

References for CVE-2018-1002105

Products affected by CVE-2018-1002105

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