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githubGitHub Advisory DatabaseGHSA-QC2G-GMH6-95P4
HistoryJul 03, 2023 - 9:30 p.m.

kube-apiserver vulnerable to policy bypass

2023-07-0321:30:57
CWE-20
GitHub Advisory Database
github.com
22
kubernetes
imagepolicywebhook
vulnerability

CVSS3

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N

EPSS

0.002

Percentile

60.6%

Users may be able to launch containers using images that are restricted by ImagePolicyWebhook when using ephemeral containers. Kubernetes clusters are only affected if the ImagePolicyWebhook admission plugin is used together with ephemeral containers.

Affected configurations

Vulners
Node
k8s.iokubernetesRange<1.24.15
OR
k8s.iokubernetesRange<1.25.11
OR
k8s.iokubernetesRange<1.26.6
OR
k8s.iokubernetesRange<1.27.3
VendorProductVersionCPE
k8s.iokubernetes*cpe:2.3:a:k8s.io:kubernetes:*:*:*:*:*:*:*:*

CVSS3

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N

EPSS

0.002

Percentile

60.6%