漏洞信息
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Vulnerability Title
Vyper vulnerable to OOB DynArray access when array is on both LHS and RHS of an assignment
Vulnerability Description
Vyper is a Pythonic smart contract language for the Ethereum virtual machine. Prior to version 0.3.8, during codegen, the length word of a dynarray is written before the data, which can result in out-of-bounds array access in the case where the dynarray is on both the lhs and rhs of an assignment. The issue can cause data corruption across call frames. The expected behavior is to revert due to out-of-bounds array access. Version 0.3.8 contains a patch for this issue.
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Vulnerability Type
跨界内存写
Vulnerability Title
Vyper 缓冲区错误漏洞
Vulnerability Description
Vyper是EVM 的 Pythonic 智能合约语言。 Vyper 0.3.8之前版本存在缓冲区错误漏洞。攻击者利用该漏洞导致数组访问越界。
CVSS Information
N/A
Vulnerability Type
N/A