Deadlock Affecting vyper package, versions [0.2.9,0.3.10rc4)
Threat Intelligence
EPSS
0.09% (39th
percentile)
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Test your applications- Snyk ID SNYK-PYTHON-VYPER-5905483
- published 19 Sep 2023
- disclosed 18 Sep 2023
- credit trocher
Introduced: 18 Sep 2023
CVE-2023-42441 Open this link in a new tabHow to fix?
Upgrade vyper to version 0.3.10rc4 or higher.
Overview
vyper is a Pythonic Smart Contract Language for the EVM.
Affected versions of this package are vulnerable to Deadlock via the @nonreentrant("") or @nonreentrant('') lock types that do not produce reentrancy checks at runtime. This vulnerability allows an attacker to bypass reentrancy checks when executing the affected functions.
Workaround
The lock name should be a non-empty string.
References
CVSS Scores
version 3.1