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THREATINT
PUBLISHED

CVE-2024-24564

Vyper extract32 can ready dirty memory



Description

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.

Reserved 2024-01-25 | Published 2024-02-26 | Updated 2024-10-25 | Assigner GitHub_M


LOW: 3.7CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N

Problem types

CWE-125: Out-of-bounds Read

Product status

< 0.4.0
affected

References

github.com/.../vyper/security/advisories/GHSA-4hwq-4cpm-8vmx

github.com/...ommit/3d9c537142fb99b2672f21e2057f5f202cde194f

cve.org (CVE-2024-24564)

nvd.nist.gov (CVE-2024-24564)

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