era-compiler-vyper is the EraVM Vyper compiler for zkSync Era, a layer 2 rollup that uses zero-knowledge proofs to scale Ethereum. Prior to era-compiler-vype version 1.3.10, a bug prevented the initialization of the first immutable variable for Vyper contracts meeting certain criteria. The problem arises when there is a String or Array with more 256-bit words allocated than initialized. It results in the second word’s index unset, that is effectively set to 0, so the first immutable value with the actual 0 index is overwritten in the ImmutableSimulator. Version 1.3.10 fixes this issue by setting all indexes in advance. The problem will go away, but it will get more expensive if the user allocates a lot of uninitialized space, e.g. `String[4096]`. Upgrading and redeploying affected contracts is the only way of working around the issue.
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References
History
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MITRE
Status: PUBLISHED
Assigner: GitHub_M
Published: 2023-10-25T21:01:51.692Z
Updated: 2024-09-10T14:02:31.551Z
Reserved: 2023-10-19T20:34:00.946Z
Link: CVE-2023-46232
Vulnrichment
Updated: 2024-08-02T20:37:40.164Z
NVD
Status : Modified
Published: 2023-10-25T22:15:09.477
Modified: 2024-11-21T08:28:07.727
Link: CVE-2023-46232
Redhat
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