Improper Input Validation Affecting vyper package, versions [0,0.3.2)


0.0
high

Snyk CVSS

    Attack Complexity Low
    User Interaction Required
    Confidentiality High
    Integrity High
    Availability High

    Threat Intelligence

    EPSS 0.19% (57th percentile)
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NVD
9.8 critical

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  • Snyk ID SNYK-PYTHON-VYPER-2704826
  • published 14 Apr 2022
  • disclosed 14 Apr 2022
  • credit Unknown

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 Improper Input Validation via the returned value of <iface>.returns_int128(), which is not validated to fall within the bounds of int128. This issue can result in a misinterpretation of the integer value and lead to incorrect behavior.

References