Bitcoin Core before 24.0.1 allows remote attackers to cause a denial of service (daemon crash) via a flood of low-difficulty header chains (aka a "Chain Width Expansion" attack) because a node does not first verify that a presented chain has enough work before committing to store it.
Metrics
Affected Vendors & Products
References
History
Mon, 18 Nov 2024 17:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Bitcoin
Bitcoin bitcoin Core |
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| Weaknesses | CWE-770 | |
| CPEs | cpe:2.3:a:bitcoin:bitcoin_core:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Bitcoin
Bitcoin bitcoin Core |
|
| Metrics |
cvssV3_1
|
Mon, 18 Nov 2024 03:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | Bitcoin Core before 24.0.1 allows remote attackers to cause a denial of service (daemon crash) via a flood of low-difficulty header chains (aka a "Chain Width Expansion" attack) because a node does not first verify that a presented chain has enough work before committing to store it. | |
| References |
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Status: PUBLISHED
Assigner: mitre
Published: 2024-11-18T00:00:00
Updated: 2024-11-18T16:28:52.209Z
Reserved: 2024-11-18T00:00:00
Link: CVE-2019-25220
Updated: 2024-11-18T16:28:40.669Z
Status : Analyzed
Published: 2024-11-18T04:15:04.107
Modified: 2025-05-22T16:56:23.983
Link: CVE-2019-25220
No data.