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CVE-2019-25220 Detail

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.


Metrics

NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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

Weakness Enumeration

CWE-ID CWE Name Source
CWE-770 Allocation of Resources Without Limits or Throttling CISA-ADP  

Change History

2 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2019-25220
NVD Published Date:
11/17/2024
NVD Last Modified:
11/18/2024
Source:
MITRE