CVE-2020-37286

EUVD-2020-31282
Vyper from 0.1.0b4 before 0.3.0 contains a memory corruption vulnerability caused by an incorrect stack tip pointer when internal function calls appear inside tuples or nested calls. Contracts using such calls as tuple elements, call arguments, or builtin arguments like concat or ecrecover can return corrupted values or pass wrong arguments to external calls.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
VulnCheckCNA
6.5 MEDIUM
NETWORK
HIGH
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:L
Base Score
CVSS 3.x
EPSS Score
Percentile: 19.79%
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
vyperlangvyper
0.1.0b4 ≤
𝑥
< 0.3.0
CNA
Common Weakness Enumeration
References
https://github.com/vyperlang/vyper/security/advisories/GHSA-2r3x-4mrv-mcxf
https://www.vulncheck.com/advisories/vyper-0.1-0b4-before-0.3.0-memory-corruption-via-nested-internal-function-calls