CVE-2024-35202

Bitcoin Core before 25.0 allows remote attackers to cause a denial of service (blocktxn message-handling assertion and node exit) by including transactions in a blocktxn message that are not committed to in a block's merkle root. FillBlock can be called twice for one PartiallyDownloadedBlock instance.

CVSS v3 7.5 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://bitcoincore.org/en/2024/10/08/disclose-blocktxn-crash/	Patch Vendor Advisory
https://en.bitcoin.it/wiki/Common_Vulnerabilities_and_Exposures	Third Party Advisory
https://github.com/bitcoin/bitcoin/blob/master/doc/release-notes/release-notes-25.0.md	Release Notes
https://github.com/bitcoin/bitcoin/pull/26898	Issue Tracking
https://github.com/bitcoin/bitcoin/releases/tag/v25.0	Release Notes

Configurations

Configuration 1 (hide)

cpe:2.3:a:bitcoin:bitcoin_core:*:*:*:*:*:*:*:*

History

No history.

Information

Published : 2024-10-10 13:15

Updated : 2025-05-22 16:51

NVD link : CVE-2024-35202

Mitre link : CVE-2024-35202

CVE.ORG link : CVE-2024-35202

JSON object : View

Products Affected

bitcoin

bitcoin_core

CWE

CWE-770

Allocation of Resources Without Limits or Throttling

{"id": "CVE-2024-35202", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 3.9}]}, "published": "2024-10-10T13:15:14.077", "references": [{"url": "https://bitcoincore.org/en/2024/10/08/disclose-blocktxn-crash/", "tags": ["Patch", "Vendor Advisory"], "source": "[email protected]"}, {"url": "https://en.bitcoin.it/wiki/Common_Vulnerabilities_and_Exposures", "tags": ["Third Party Advisory"], "source": "[email protected]"}, {"url": "https://github.com/bitcoin/bitcoin/blob/master/doc/release-notes/release-notes-25.0.md", "tags": ["Release Notes"], "source": "[email protected]"}, {"url": "https://github.com/bitcoin/bitcoin/pull/26898", "tags": ["Issue Tracking"], "source": "[email protected]"}, {"url": "https://github.com/bitcoin/bitcoin/releases/tag/v25.0", "tags": ["Release Notes"], "source": "[email protected]"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "description": [{"lang": "en", "value": "CWE-770"}]}], "descriptions": [{"lang": "en", "value": "Bitcoin Core before 25.0 allows remote attackers to cause a denial of service (blocktxn message-handling assertion and node exit) by including transactions in a blocktxn message that are not committed to in a block's merkle root. FillBlock can be called twice for one PartiallyDownloadedBlock instance."}, {"lang": "es", "value": "Las versiones anteriores a la 25.0 de Bitcoin Core permiten a atacantes remotos provocar una denegaci\u00f3n de servicio (afirmaci\u00f3n de manejo de mensajes blocktxn y salida de nodo) mediante la inclusi\u00f3n de transacciones en un mensaje blocktxn que no est\u00e1n confirmadas en la ra\u00edz merkle de un bloque. FillBlock se puede llamar dos veces para una instancia de PartiallyDownloadedBlock."}], "lastModified": "2025-05-22T16:51:01.657", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:bitcoin:bitcoin_core:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "63478AA2-EF03-4005-93A1-443733DB2063", "versionEndExcluding": "25.0"}], "operator": "OR"}]}], "sourceIdentifier": "[email protected]"}