CVE-2022-24845

Advisory

Vyper 0.3.2 includes a fix for CVE-2022-24845: In affected versions, the return of '<iface>.returns_int128()' is not validated to fall within the bounds of 'int128'. This issue can result in a misinterpretation of the integer value and lead to incorrect behavior. As of v0.3.0, '<iface>.returns_int128()' is validated in simple expressions, but not complex expressions.
https://github.com/vyperlang/vyper/security/advisories/GHSA-j2x6-9323-fp7h

Affected package

Affected versions

Fixed versions

Vulnerability changelog

Vyper is a pythonic Smart Contract Language for the ethereum virtual machine. In affected versions, the return of `<iface>.returns_int128()` is not validated to fall within the bounds of `int128`. This issue can result in a misinterpretation of the integer value and lead to incorrect behavior. As of v0.3.0, `<iface>.returns_int128()` is validated in simple expressions, but not complex expressions. Users are advised to upgrade. There is no known workaround for this issue. See CVE-2022-24845.


CONFIRM:https://github.com/vyperlang/vyper/security/advisories/GHSA-j2x6-9323-fp7h: https://github.com/vyperlang/vyper/security/advisories/GHSA-j2x6-9323-fp7h
MISC:https://github.com/vyperlang/vyper/commit/049dbdc647b2ce838fae7c188e6bb09cf16e470b: https://github.com/vyperlang/vyper/commit/049dbdc647b2ce838fae7c188e6bb09cf16e470b

Resources

• https://github.com/vyperlang/vyper/security/advisories/GHSA-j2x6-9323-fp7h
• https://github.com/vyperlang/vyper/commit/049dbdc647b2ce838fae7c188e6bb09cf16e470b
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-24845