This article announces a vulnerability discovered in CosmWasm, a smart contract platform for the Cosmos ecosystem. The vulnerability was a stack overflow, which could have allowed users who can upload new smart contracts on Cosmos-based blockchains to halt those chains entirely. Jump Crypto, through ongoing research and coordinated disclosure, identified and patched this vulnerability, demonstrating their commitment to enhancing security assurance across the crypto ecosystem. The issue was resolved without any user impact, thanks to the professional handling and quick adoption of the patch by the CosmWasm contributors and the affected Cosmos L1s.
- Security Vulnerability in CosmWasm: A stack overflow vulnerability was discovered in CosmWasm, which could have allowed users to halt Cosmos-based blockchains. This highlights the importance of continuous security checks and audits in the crypto ecosystem.
- Role of Jump Crypto: Jump Crypto played a crucial role in identifying and patching this vulnerability, showcasing their commitment to improving security in the crypto space.
- Professional Handling of the Issue: The professional handling and quick adoption of the patch by the CosmWasm contributors and the affected Cosmos L1s ensured that the bug was addressed without any user impact.