Vyper is a Pythonic programming language that targets the Ethereum Virtual Machine (EVM). Prior to version 0.3.10, the ecrecover precompile does not fill the output buffer if the signature does not verify. However, the ecrecover builtin will still return whatever is at memory location 0. This means that the if the compiler has been convinced to write to the 0 memory location with specially crafted data (generally, this can happen with a hashmap access or immutable read) just before the ecrecover, a signature check might pass on an invalid signature. Version 0.3.10 contains a patch for this issue.
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Affected Vendors & Products
References
History
Thu, 03 Oct 2024 19:30:00 +0000
Type | Values Removed | Values Added |
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CPEs | cpe:2.3:a:vyperlang:vyper:*:*:*:*:*:*:*:* | |
Metrics |
ssvc
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MITRE
Status: PUBLISHED
Assigner: GitHub_M
Published: 2023-07-25T20:05:40.615Z
Updated: 2024-10-03T18:59:13.773Z
Reserved: 2023-07-10T17:51:29.610Z
Link: CVE-2023-37902
Vulnrichment
Updated: 2024-08-02T17:23:27.794Z
NVD
Status : Modified
Published: 2023-07-25T21:15:10.550
Modified: 2024-11-21T08:12:25.897
Link: CVE-2023-37902
Redhat
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