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veracodeVeracode Vulnerability DatabaseVERACODE:41132
HistoryJul 06, 2023 - 9:42 a.m.

Policy Bypass

2023-07-0609:42:19
Veracode Vulnerability Database
sca.analysiscenter.veracode.com
9
vulnerability
imagepolicy
admission.go
malicious users
policy bypass
restricted images
kubernetes
imagepolicywebhook
admission plugin

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%

github.com/kubernetes/kubernetes is vulnerable to Policy Bypass. The vulnerability exists in imagepolicy/admission.go, when ephemeral containers are used, which allows malicious users to start containers using restricted images, impacting the cluster if the ImagePolicyWebhook admission plugin is utilized.

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%