7.5

CVE-2019-25220

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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Bitcoin ≫ Bitcoin Core Version < 24.0.1
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.78% 0.512
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
134c704f-9b21-4f2e-91b3-4a467353bcc0 7.5 3.9 3.6
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE-770 Allocation of Resources Without Limits or Throttling

The product allocates a reusable resource or group of resources on behalf of an actor without imposing any restrictions on the size or number of resources that can be allocated, in violation of the intended security policy for that actor.

https://en.bitcoin.it/wiki/Common_Vulnerabilities_and_Exposures
Third Party Advisory
https://bitcoincore.org/en/2024/09/18/disclose-headers-oom
Vendor Advisory
https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2019-October/017354.html
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