GHSA-PX5F-J76H-8W39
Vulnerability from github – Published: 2024-11-18 06:30 – Updated: 2024-11-18 18:30
VLAI?
Details
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.
Severity ?
7.5 (High)
{
"affected": [],
"aliases": [
"CVE-2019-25220"
],
"database_specific": {
"cwe_ids": [
"CWE-770"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2024-11-18T04:15:04Z",
"severity": "HIGH"
},
"details": "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.",
"id": "GHSA-px5f-j76h-8w39",
"modified": "2024-11-18T18:30:54Z",
"published": "2024-11-18T06:30:35Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2019-25220"
},
{
"type": "WEB",
"url": "https://bitcoincore.org/en/2024/09/18/disclose-headers-oom"
},
{
"type": "WEB",
"url": "https://en.bitcoin.it/wiki/Common_Vulnerabilities_and_Exposures"
},
{
"type": "WEB",
"url": "https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2019-October/017354.html"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
}
]
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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