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...

CVE-2023-38701

CVE-2023-38701 (Hydra) affects Hydra’s head protocol on Cardano. Before v0.12.0, the commit validator and the initial validator contain a flawed check when the ViaAbort redeemer is used, allowing any user to arbitrarily spend UTxOs at the validator. This enables an attacker to steal funds users c...

PT-2023-26566 · Hydra · Hydra

Name of the Vulnerable Software and Affected Versions: Hydra versions prior to 0.12.0 Description: Hydra is a layer-two scalability solution for Cardano. The issue arises when the ViaAbort redeemer is used in the commit validator, allowing any user to spend any UTxO arbitrarily, which means an...

CVE-2023-42448: Improper Input Validation

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-2023-42806

Hydra is the layer-two scalability solution for Cardano. Prior to version 0.13.0, not signing and verifying $\mathsfcid$ allows an attacker which must be a participant of this head to use a snapshot from an old head instance with the same participants to close the head or contest the state with i...

Hardcoded credentials

Hydra is the layer-two scalability solution for Cardano. Prior to version 0.13.0, not signing and verifying $\mathsfcid$ allows an attacker which must be a participant of this head to use a snapshot from an old head instance with the same participants to close the head or contest the state with i...

CVE-2023-42806 Snapshot signature not including HeadID will allow replay attacks

Hydra is the layer-two scalability solution for Cardano. Prior to version 0.13.0, not signing and verifying $\mathsfcid$ allows an attacker which must be a participant of this head to use a snapshot from an old head instance with the same participants to close the head or contest the state with i...

CVE-2023-42806 Snapshot signature not including HeadID will allow replay attacks

Hydra is the layer-two scalability solution for Cardano. Prior to version 0.13.0, not signing and verifying $\mathsfcid$ allows an attacker which must be a participant of this head to use a snapshot from an old head instance with the same participants to close the head or contest the state with i...

CVE-2023-42806

Hydra (Cardano) prior to v0.13.0 has a vulnerability where not signing/verifying the cid allows a participant to reuse a snapshot from an old head to close the head or contest state with the same participants. This can cause incorrect value distribution (value extraction) or prevent finalization ...

CVE-2023-42806 Snapshot signature not including HeadID will allow replay attacks

Hydra is the layer-two scalability solution for Cardano. Prior to version 0.13.0, not signing and verifying $\mathsfcid$ allows an attacker which must be a participant of this head to use a snapshot from an old head instance with the same participants to close the head or contest the state with i...