Description (CNA)
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.
Affected (CNA)
| Vendor / product | Versions |
|---|---|
| vyperlang / vyper | affected < 0.4.0 |
CWE
CWE-125
References
- https://github.com/vyperlang/vyper/security/advisories/GHSA-4hwq-4cpm-8vmx
- https://github.com/vyperlang/vyper/commit/3d9c537142fb99b2672f21e2057f5f202cde194f
ADP enrichment
No English description supplied.
No English description supplied.
No references supplied.