CVE-2024-24564 LOW

CVE-2024-24564: Vyper extract32 can ready dirty memory

Vendor Vyperlang
Product vyper
Weakness CWE-125
Published February 26, 2024
Last update October 25, 2024

CVSS base score

3.7/10
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Confidentiality Low
Integrity None

CVSS vector

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

What the vulnerability does

01Description

Vyper is a pythonic Smart Contract Language for the ethereum virtual machine. When using the built-in `extract32(b, start)`, if the `start` index provided has for side effect to update `b`, the byte array to extract `32` bytes from, it could be that some dirty memory is read and returned by `extract32`. This vulnerability is fixed in 0.4.0.

Key dates

02Disclosure timeline

February 26, 2024 CVE published
October 25, 2024 Record updated