漏洞信息
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Vulnerability Title
_abi_decode input not validated in complex expressions in Vyper
Vulnerability Description
Vyper is a Pythonic Smart Contract Language for the EVM. The `_abi_decode()` function does not validate input when it is nested in an expression. Uses of `_abi_decode()` can be constructed which allow for bounds checking to be bypassed resulting in incorrect results. This issue has not yet been fixed, but a fix is expected in release `0.3.10`. Users are advised to reference pull request #3626.
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N
Vulnerability Type
数值计算不正确
Vulnerability Title
Vyper 安全漏洞
Vulnerability Description
Vyper是EVM 的 Pythonic 智能合约语言。 Vyper存在安全漏洞,该漏洞源于允许攻击者通过构造_abi_decode()绕过边界检查。
CVSS Information
N/A
Vulnerability Type
N/A