Denial Of Service (DoS)

cometbft is vulnerable to Denial of service attack. The vulnerability is due to a default configuration in cometbft which may affect block times and consensus participation when fully utilized by chain participants. It is advised that chains consider their specific needs for their use case when...

GHSA-HQ58-P9MV-338C CometBFT's default for `BlockParams.MaxBytes` consensus parameter may increase block times and affect consensus participation

Amulet Security Advisory for CometBFT: ASA-2023-002 Component: CometBFT Criticality: Low Affected versions: All Affected users: Validators, Chain Builders + Maintainers Summary A default configuration in CometBFT has been found to be large for common use cases, and may affect block times and...

CometBFT's default for `BlockParams.MaxBytes` consensus parameter may increase block times and affect consensus participation

Amulet Security Advisory for CometBFT: ASA-2023-002 Component: CometBFT Criticality: Low Affected versions: All Affected users: Validators, Chain Builders + Maintainers Summary A default configuration in CometBFT has been found to be large for common use cases, and may affect block times and...

## block.timestamp used as time proxy

Lines of code Vulnerability details block.timestamp used as time proxy Summary: Risk of using block.timestamp for time should be considered. Details: block.timestamp is not an ideal proxy for time because of issues with synchronization, miner manipulation and changing block times. This kind of...