CVE-2022-24788

Advisory

Vyper 0.3.2 includes a fix for CVE-2022-24788: Versions of Vyper prior to 0.3.2 suffer from a potential buffer overrun. Importing a function from a JSON interface which returns 'bytes' generates bytecode which does not clamp bytes length, potentially resulting in a buffer overrun.
https://github.com/vyperlang/vyper/security/advisories/GHSA-4mrx-6fxm-8jpg

Affected package

Affected versions

Fixed versions

Vulnerability changelog

Vyper is a pythonic Smart Contract Language for the ethereum virtual machine. Versions of vyper prior to 0.3.2 suffer from a potential buffer overrun. Importing a function from a JSON interface which returns `bytes` generates bytecode which does not clamp bytes length, potentially resulting in a buffer overrun. Users are advised to upgrade. There are no known workarounds for this issue. See CVE-2022-24788.


CONFIRM:https://github.com/vyperlang/vyper/security/advisories/GHSA-4mrx-6fxm-8jpg: https://github.com/vyperlang/vyper/security/advisories/GHSA-4mrx-6fxm-8jpg
MISC:https://github.com/vyperlang/vyper/commit/049dbdc647b2ce838fae7c188e6bb09cf16e470b: https://github.com/vyperlang/vyper/commit/049dbdc647b2ce838fae7c188e6bb09cf16e470b

Resources

• https://github.com/vyperlang/vyper/security/advisories/GHSA-4mrx-6fxm-8jpg
• https://github.com/vyperlang/vyper/commit/049dbdc647b2ce838fae7c188e6bb09cf16e470b
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-24788