Reentrancy Attack Affecting vyper package, versions [,0.3.2)


Severity

Recommended
0.0
medium
0
10

CVSS assessment made by Snyk's Security Team

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications
  • Snyk ID SNYK-PYTHON-VYPER-2440833
  • published 19 Jul 2022
  • disclosed 5 Apr 2022
  • credit unknown

Introduced: 5 Apr 2022

CVE NOT AVAILABLE CWE-663 Open this link 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 Reentrancy Attack via the Crowfund.refund() function.

CVSS Scores

version 3.1
Expand this section

Snyk

Recommended
4.2 medium
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    High
  • Privileges Required (PR)
    Low
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    None
  • Integrity (I)
    Low
  • Availability (A)
    Low