What is CVE-2018-1002102?

CVE-2018-1002102 is a low-severity vulnerability in Kubernetes, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 2.6/10. Published 2019-12-05.

How severe is CVE-2018-1002102?

Low severity. CVSS v3 base score is 2.6 out of 10.

Open Redirect in Kubernetes

CVE-2018-1002102

Improper validation of URL redirection in the Kubernetes API server in versions prior to v1.14.0 allows an attacker-controlled Kubelet to redirect API server requests from streaming endpoints to arbitrary hosts. Impacted API servers will follow the redirect as a GET request with client-certificate credentials for authenticating to the Kubelet.

Vulnerability class: Open Redirect

EPSS: 0.006 (46.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 2.6 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:L/I:N/A:N.

Affected products

Kubernetes — versions v1.14, 1.14.0
Fedoraproject Fedora — versions 31

Weakness classification (CWE)

CWE-601 — URL Redirection to Untrusted Site (Open Redirect)

References

jordan@liggitt.net (x_refsource_CONFIRM, Third Party Advisory, Mitigation, Issue Tracking)
jordan@liggitt.net (vendor-advisory, x_refsource_FEDORA)

Frequently asked questions

What is CVE-2018-1002102?: CVE-2018-1002102 is a low-severity vulnerability in Kubernetes, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 2.6/10. Published 2019-12-05.
How severe is CVE-2018-1002102?: Low severity. CVSS v3 base score is 2.6 out of 10.