nervosnetwork/ckb · Security
ckb type_id script resume may randomly fail
- GHSA ID
- GHSA-mcmr-49x3-4jqm
- Severity
- high
- Published
- Updated
Description
Impact
https://github.com/nervosnetwork/ckb/blob/v0.101.2/script/src/verify.rs#L871-L879
TypeIdSystemScript resume handle is not correct when max_cycles is not enough, ScriptError::ExceededMaximumCycles will be raised directly ranther than suspend as expect, and also because script_group execution order is random, so this will happen randomly.