CVE-2023-30837

EUVD-2023-0269
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
GitHub_MCNA
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 42%
Affected Products (NVD)
VendorProductVersion
vyperlangvyper
𝑥
< 0.3.8
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://github.com/vyperlang/vyper/commit/0bb7203b584e771b23536ba065a6efda457161bb
https://github.com/vyperlang/vyper/security/advisories/GHSA-mgv8-gggw-mrg6
https://github.com/vyperlang/vyper/commit/0bb7203b584e771b23536ba065a6efda457161bb
https://github.com/vyperlang/vyper/security/advisories/GHSA-mgv8-gggw-mrg6