Vyper is a pythonic Smart Contract Language for the Ethereum virtual machine. In versions 0.3.10 and prior, using the `slice` builtin can result in a double eval vulnerability when the buffer argument is either `msg.data`, `self.code` or `<address>.code` and either the `start` or `length` arguments have side-effects. It can be easily triggered only with the versions `<0.3.4` as `0.3.4` introduced the unique symbol fence. No vulnerable production contracts were found. Additionally, double evaluation of side-effects should be easily discoverable in client tests. As such, the impact is low. As of time of publication, no fixed versions are available.
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History
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MITRE
Status: PUBLISHED
Assigner: GitHub_M
Published: 2024-04-25T17:21:59.687Z
Updated: 2024-08-02T02:13:40.232Z
Reserved: 2024-04-16T14:15:26.875Z
Link: CVE-2024-32646
Vulnrichment
Updated: 2024-04-30T16:07:08.261Z
NVD
Status : Awaiting Analysis
Published: 2024-04-25T18:15:08.780
Modified: 2024-04-26T12:58:17.720
Link: CVE-2024-32646
Redhat
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