GHSA-QF5V-M7P4-95RP Fission: Incomplete capability denylist in Environment/Function PodSpec validation allows tenant-added CAP_SYS_TIME and cross-tenant node wall-clock corruption

Fission v1.24.0 added PodSpec safety validation for tenant-facing Environment and Function CRDs ValidatePodSpecSafety / ValidateContainerSafety admission webhook + sanitizeContainerSecurityContext executor merge layer, but the capability check was implemented as a fixed denylist of six Linux...

Fission Environment CRD PodSpec Injection Leading to Node Escape and Cluster Takeover

Summary A stronger framing of the same root cause as GHSA-gx55-f84r-v3r7: the Environment.spec.runtime.podSpec / spec.builder.podSpec passthrough lacked validation, and MergePodSpec propagated dangerous fields into the generated pods. Details Three independent flaws compounded: 1. Validate gap...

GHSA-WMGG-3P4H-48X7 Fission Environment CRD PodSpec Injection Leading to Node Escape and Cluster Takeover

Summary A stronger framing of the same root cause as GHSA-gx55-f84r-v3r7: the Environment.spec.runtime.podSpec / spec.builder.podSpec passthrough lacked validation, and MergePodSpec propagated dangerous fields into the generated pods. Details Three independent flaws compounded: 1. Validate gap...

Fission 安全漏洞

Fission is an open-source function deployment framework based on Kubernetes. Versions of Fission prior to 1.24.0 contained a security vulnerability. This vulnerability stemmed from the lack of validation in the Environment.spec.runtime.podSpec/spec.builder.podSpec field. When using MergePodSpec,...