A type of security exploit in smart contracts where a contract initiates a callback to another contract before finishing its execution. This allows the attacker to repeatedly execute the same function, often leading to the draining of funds or other malicious outcomes. It exploits the sequential execution flow within smart contract interactions.
Context
Reentrancy attacks are a well-documented class of vulnerabilities that have led to significant financial losses in the decentralized finance sector. Developers and auditors are highly vigilant in identifying and mitigating these risks through careful contract design and secure coding practices. News of successful reentrancy exploits serves as a stark reminder of the constant need for robust security protocols in smart contract development.
Evolving smart contract vulnerabilities, from access control to oracle manipulation, expose digital assets to systemic exploitation, demanding adaptive security postures.
A reentrancy vulnerability in the Shibarium Bridge led to a $2.4 million asset drain, underscoring critical security gaps in cross-chain infrastructure.
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