VDB
KO
MEDIUM 5.3

PYSEC-2024-151

Details

Vyper is a pythonic Smart Contract Language for the ethereum virtual machine. Vyper compiler allows passing a value in builtin raw_call even if the call is a delegatecall or a staticcall. But in the context of delegatecall and staticcall the handling of value is not possible due to the semantics of the respective opcodes, and vyper will silently ignore the value= argument. If the semantics of the EVM are unknown to the developer, he could suspect that by specifying the `value` kwarg, exactly the given amount will be sent along to the target. This vulnerability affects 0.3.10 and earlier versions.

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Affected packages

PyPI / vyper
Introduced in: 0 Fixed in: 0.4.0b1
Fix pip install --upgrade 'vyper>=0.4.0b1'

References