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CVE-2019-11244

kubectl creates world-writeable cached schema files

Published: Apr 22, 2019Updated: Nov 21, 2024 Sources: CVE List NVD GHSACWE-524
NVD MITRE
5.0CVSSMEDIUM
EPSS Score
0.5%
Top 62.5%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

In Kubernetes v1.8.x-v1.14.x, schema info is cached by kubectl in the location specified by --cache-dir (defaulting to $HOME/.kube/http-cache), written with world-writeable permissions (rw-rw-rw-). If --cache-dir is specified and pointed at a different location accessible to other users/groups, the written files may be modified by other users/groups and disrupt the kubectl invocation.

CVSS Vector Breakdown

AV:LAC:LPR:LUI:RS:UC:NI:HA:N
Exploitability
AV:LAttack Vector
Local
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:RUser Interaction
Required
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:HIntegrity
High
A:NAvailability
None
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Weaknesses

CWE-524CWE-732

Affected Products

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

Attack Graph

Products CVE Techniques Tactics

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Exploitability

Official Patch Available
Workaround Available

MITRE ATT&CK

1 technique
Privilege Escalation
View detailed technique mapping

References

http://www.securityfocus.com/bid/108064
securityfocus.com
https://access.redhat.com/errata/RHSA-2019:3942
access.redhat.com
https://access.redhat.com/errata/RHSA-2020:0020
access.redhat.com
and 8 more references View all →

Timeline

Published
Apr 22, 2019
Last Updated
Nov 21, 2024

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