Submitted by shaflow2, also found by Abdessamed, gajiknownnothing, Drynooo, 0x37, 0xAsen, Audinarey, Draiakoo, b0g0, agent3bood, MrPotatoMagic, fyamf, gesha17, and SBSecurity
Because the validators signature message does not include the from_chain field, a malicious actor can preemptively execute the validators transaction with an incorrect from_chain field. This can cause the status of create_cross_txs[txid] to become a Failed state, preventing it from being executed again.
This is the receive_cross_chain_callback function
In the signature verification process, we found that the signature message does not include the from_chain field.
In this scenario, a malicious actor could execute the following attack steps:
pidb (Chakra) disputed and commented:
0xsomeone (judge) commented:
