GO-2024-2831 ATX protocol validation problem in github.com/spacemeshos/go-spacemesh

Nodes can publish ATXs which reference the incorrect previous ATX of the Smesher that created the ATX. ATXs are expected to form a single chain from the newest to the first ATX ever published by an identity. Allowing Smeshers to reference an earlier but not the latest ATX as previous breaks this...

CVE-2024-34360 Previous ATX is not checked to be the newest valid ATX by Smesher when validating incoming ATX

go-spacemesh is a Go implementation of the Spacemesh protocol full node. Nodes can publish activations transactions ATXs which reference the incorrect previous ATX of the Smesher that created the ATX. ATXs are expected to form a single chain from the newest to the first ATX ever published by an...