Detections
Analytics

CVE-2023-30837

high

Description

Vyper is a pythonic smart contract language for the EVM. The storage allocator does not guard against allocation overflows in versions prior to 0.3.8. An attacker can overwrite the owner variable. This issue was fixed in version 0.3.8.

References

https://github.com/vyperlang/vyper/security/advisories/GHSA-mgv8-gggw-mrg6

https://github.com/vyperlang/vyper/commit/0bb7203b584e771b23536ba065a6efda457161bb

Details

Source: Mitre, NVD

Published: 2023-05-08

Updated: 2023-08-02

Risk Information

CVSS v2

Base Score: 7.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:C/A:N

Severity: High

CVSS v3

Base Score: 7.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Severity: High

CVSS v4

Base Score: 8.7

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N

Severity: High