CVE-2023-42448 Hydra's contestation period in head datum can be modified during Close transaction, allowing malicious participant to freely modify the contestation deadline

Hydra is the layer-two scalability solution for Cardano. Prior to version 0.13.0, the specification states that the contestation period in the datum of the UTxO at the head validator must stay unchanged as the state progresses from Open to Closed Close transaction, but no such check appears to be...

CVE-2023-42448 Hydra's contestation period in head datum can be modified during Close transaction, allowing malicious participant to freely modify the contestation deadline

Hydra is the layer-two scalability solution for Cardano. Prior to version 0.13.0, the specification states that the contestation period in the datum of the UTxO at the head validator must stay unchanged as the state progresses from Open to Closed Close transaction, but no such check appears to be...