CVE-2020-37286Vyper 0.1.0b4 before 0.3.0 Memory Corruption via Nested Internal Function Calls

Description

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.

Data: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Published as the sources state it, in English.

Affected products and versions

References and patches

• GitHub Security Advisory (GHSA-2r3x-4mrv-mcxf) vendor-advisory
• VulnCheck Advisory: Vyper 0.1.0b4 before 0.3.0 Memory Corruption via Nested Internal Function Calls third-party-advisory