Buffer Overflow Affecting vyper package, versions [0,0.3.2)


Severity

Recommended
0.0
high
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.15% (53rd percentile)

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  • Snyk IDSNYK-PYTHON-VYPER-2636640
  • published14 Apr 2022
  • disclosed14 Apr 2022
  • creditUnknown

Introduced: 14 Apr 2022

CVE-2022-24788  (opens in a new tab)
CWE-120  (opens in a new tab)

How to fix?

Upgrade vyper to version 0.3.2 or higher.

Overview

vyper is a Pythonic Smart Contract Language for the EVM.

Affected versions of this package are vulnerable to Buffer Overflow by importing a function from a JSON interface which returns bytes and generates bytecode which does not clamp bytes length, potentially resulting in a buffer overrun.

Workaround

Use .vy interfaces.

References

CVSS Scores

version 3.1