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.
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Remediation
No vendor fix or workaround currently provided.
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Tracking
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Advisories
| Source | ID | Title |
|---|---|---|
EUVD |
EUVD-2018-12978 | 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. |
References
| Link | Providers |
|---|---|
| https://github.com/ethereum/go-ethereum/issues/18289 |
|
History
No history.
Status: PUBLISHED
Assigner: mitre
Published:
Updated: 2024-09-17T01:41:26.479Z
Reserved: 2018-12-23T00:00:00.000Z
Link: CVE-2018-20421
No data.
Status : Modified
Published: 2018-12-24T03:29:00.353
Modified: 2024-11-21T04:01:26.680
Link: CVE-2018-20421
No data.
OpenCVE Enrichment
No data.
Weaknesses
EUVD