CVE-2023-37902

Summary

CVE-2023-37902 is a vulnerability affecting Vyper, a Pythonic programming language designed for the Ethereum Virtual Machine (EVM). Before version 0.3.10, the ecrecover precompile would not fill the output buffer when the signature did not verify. Instead, the ecrecover built-in would return data located at memory address 0. Malicious actors could exploit this by manipulating the compiler to write malicious data to the 0 memory location before the ecrecover call, leading to the acceptance of an invalid signature. With version 0.3.10, this issue has been resolved through a patch.

Prevent cyber attacks with Recorded Future by prioritizing and patching critical vulnerabilities being exploited by threat actors targeting your industry. Book your demo to learn more.