CVE-2024-24559: Use of a Broken or Risky Cryptographic Algorithm
Vyper is a Pythonic Smart Contract Language for the EVM. There is an error in the stack management when compiling the IR
for sha3_64
. Concretely, the height
variable is miscalculated. The vulnerability can’t be triggered without writing the IR
by hand (that is, it cannot be triggered from regular vyper code). sha3_64
is used for retrieval in mappings. No flow that would cache the key
was found so the issue shouldn’t be possible to trigger when compiling the compiler-generated IR
. This issue isn’t triggered during normal compilation of vyper code so the impact is low. At the time of publication there is no patch available.
References
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