CVE-2020-37286Medium· 6.5▾ SunlitVyper 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 arg…
▾ Sunlit zone — Low / medium · no exploitation signal
impact 35.8 · likelihood 0.1 · exploitation 0
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Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake. The CVSS score shown above comes from the assigning CNA record, not NVD.
Exploit-prediction probability, daily snapshots since Oct 22.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CVEORG
0.3%
Last analysed / modified upstream
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.
vyper >= 0.1.0b4 < 0.3.0Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Affected packages:
vyper < 0.2.6Patched in:
vyper 0.2.6Connected by shared product, vendor, weakness, or advisory.
GHSA-2r3x-4mrv-mcxfMediumVyper: Memory corruption using function calls within tuples / nested calls
CVE-2020-37287Medium· 5.9Vyper: Call stack corruption when passing complex type containing non-base type members as argument
GHSA-4v7v-gqf9-ww2gMediumVyper: Call stack corruption when passing complex type containing non-base type members as argument
CVE-2020-37288Medium· 3.7Vyper: Return inside for loop more than 1 level deep
CVE-2021-48018High· 7.4Storage corruption due to variables overwritten by re-entrancy locks
CVE-2021-48020Medium· 6.5VVE-2021-0001: Memory corruption using function calls within arrays