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CVE-2019-11250

Kubernetes client-go logs authorization headers at debug verbosity levels

Published: Aug 29, 2019Updated: Nov 21, 2024 Sources: CVE List NVD GHSACWE-532
NVD MITRE
6.5CVSSMEDIUM
EPSS Score
1.8%
Top 24.8%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

The Kubernetes client-go library logs request headers at verbosity levels of 7 or higher. This can disclose credentials to unauthorized users via logs or command output. Kubernetes components (such as kube-apiserver) prior to v1.16.0, which make use of basic or bearer token authentication, and run at high verbosity levels, are affected.

CVSS Vector Breakdown

AV:NAC:LPR:LUI:NS:UC:HI:NA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:NIntegrity
None
A:NAvailability
None
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Weaknesses

CWE-532

Affected Products

kuberneteskubernetes
On-premDev Tool
Cloud & SaaS / container-orchestration
openshift container platformredhat
On-prem
Operating Systems / linux-distro
k8s.io/client-goGoOSS Libraries
k8s.io/kubernetesGoOSS Libraries
KubernetesKubernetes
On-premDev Tool
Cloud & SaaS / container-orchestration
kubernetesoss-projectUSCloud & SaaSaka k8s
redhatcommercialUSOperating Systemsaka red hat
gopackage-ecosystemOSS Libraries

Exploitability

Official Patch Available
Workaround Available

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

MITRE ATT&CK

1 technique
Credential Access
View detailed technique mapping

References

http://www.openwall.com/lists/oss-security/2020/10/16/2
openwall.com
https://access.redhat.com/errata/RHSA-2019:4052
access.redhat.com
https://access.redhat.com/errata/RHSA-2019:4087
access.redhat.com
and 8 more references View all →

Timeline

Published
Aug 29, 2019
Last Updated
Nov 21, 2024

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