ChainCatcher message, Terra posted on X that the Terra chain has resumed block production around 4:19 AM UTC today, and the emergency chain upgrade has been completed. Transactions are being processed, and users can resume normal activities. Validators holding over 67% of the voting power on Terra have upgraded their nodes to prevent this vulnerability from occurring again. More validators are expected to upgrade soon.

ChainCatcher news, according to Beosin Alert monitoring, the Terra chain has been suspended due to an emergency upgrade. It seems that someone has exploited an IBC vulnerability to mint multiple tokens on the Terra chain, including ASTRO.The Beosin security team analyzed and found that after the attacker instantiated the contract on Terra, they exploited a reentrancy vulnerability in the timeout callback of ibc-hooks, transferring approximately 60 million ASTRO, 3.5 million USDC, 500,000 USDT, and 2.7 BTC, totaling about 5.28 million USD in value.This vulnerability was disclosed in April this year and belongs to a vulnerability in the cosmos base library, but Terra has not fixed it.

ChainCatcher message, Terra tweeted that the Terra chain briefly halted at block height 11430400, during which no transactions will be processed. Terra will work with validators on Terra (phoenix-1) and subsequently apply an emergency patch to fix the suspected vulnerability.