GovernorCompatibilityBravo may trim proposal calldata

OpenZeppelin Contracts is a library for secure smart contract development. The proposal creation entrypoint (`propose`) in `GovernorCompatibilityBravo` allows the creation of proposals with a `signatures` array shorter than the `calldatas` array. This causes the additional elements of the latter to be ignored, and if the proposal succeeds the corresponding actions would eventually execute without any calldata. The `ProposalCreated` event correctly represents what will eventually execute, but the proposal parameters as queried through `getActions` appear to respect the original intended calldata. This issue has been patched in 4.8.3. As a workaround, ensure that all proposals that pass through governance have equal length `signatures` and `calldatas` parameters.

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:H/A:L

输入验证不恰当

OpenZeppelin 输入验证错误漏洞

OpenZeppelin是一个应用软件。一个安全区块链应用的标准。 OpenZeppelin Contracts存在输入验证错误漏洞。攻击者利用该漏洞可以执行任意操作。

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