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CVE-2018-20421
Published: Dec 24, 2018
Modified: Sep 17, 2024
PUBLISHED
Description
Go Ethereum (aka geth) 1.8.19 allows attackers to cause a denial of service (memory consumption) by rewriting the length of a dynamic array in memory, and then writing data to a single memory location with a large index number, as demonstrated by use of "assembly { mstore }" followed by a "c[0xC800000] = 0xFF" assignment.
| Vendor | Product | Versions |
|---|---|---|
n/a | n/a | affected n/a |
References
https://github.com/ethereum/go-ethereum/issues/18289
x_refsource_MISC
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