Home/CVE/Improper validation of URL redirection in the Kubernetes API server in versions prior to v1.14.0 allows an attacker-cont
CVE

CVE-2018-1002102

Improper validation of URL redirection in the Kubernetes API server in versions prior to v1.14.0 allows an attacker-cont

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.

LOW · CVSS 2.6 EPSS 0.00206
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules8 YARA rules0
⬡

Weakness Classification

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

Affected Products & Versions

3
kubernetes>= 1.10.0 and <= 1.13.13
kubernetesall versions
fedoraproject fedoraall versions
◈

Sigma Hunt Rules

8
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
productmediumKubernetes Events Deleted
productmediumKubernetes Admission Controller Modification
productmediumKubernetes CronJob/Job Modification
productmediumKubernetes Potential Enumeration Activity
productmediumKubernetes Secrets Modified or Deleted
productmediumKubernetes Rolebinding Modification
▣

Scoring & Timeline

2.6
LOW · CVSS v3.1 · jordan@liggitt.net
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD05 Dec 2019 · 04:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:L/I:N/A:N
⚑

Vendor Advisories

1
rhsaRHSA-2020:5363Moderate
🔗

References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://github.com/kubernetes/kubernetes/issues/85867Issue TrackingMitigationThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Q56CULSH7F7BC4NPS67ZS23ZCLL5TIVK/
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