漏洞信息
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Vulnerability Title
AugAssign evaluation order causing OOB write within the object in Vyper
Vulnerability Description
vyper is a Pythonic Smart Contract Language for the EVM. Vyper handles AugAssign statements by first caching the target location to avoid double evaluation. However, in the case when target is an access to a DynArray and the rhs modifies the array, the cached target will evaluate first, and the bounds check will not be re-evaluated during the write portion of the statement. This issue has been addressed in version 0.4.1 and all users are advised to upgrade. There are no known workarounds for this vulnerability.
CVSS Information
N/A
Vulnerability Type
跨界内存写
Vulnerability Title
Vyper 安全漏洞
Vulnerability Description
Vyper是vyperlang开源的一个 EVM 的 Pythonic 智能合约语言。 Vyper存在安全漏洞，该漏洞源于动态数组操作边界检查不当。
CVSS Information
N/A
Vulnerability Type
N/A