CVE-2024-35202

Oct. 15, 2024, 12:58 p.m.

7.5
High

Description

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.

Product(s) Impacted

Product Versions
Bitcoin Core
  • before 25.0

Weaknesses

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.

References

https://bitcoincore.org/en/2024/10/08/disclose-blocktxn-crash/
https://en.bitcoin.it/wiki/Common_Vulnerabilities_and_Exposures
https://github.com/bitcoin/bitcoin/blob/master/doc/release-notes/release-notes-25.0.md
https://github.com/bitcoin/bitcoin/pull/26898
https://github.com/bitcoin/bitcoin/releases/tag/v25.0

Tags

cve@mitre.org
CWE-770
2024-10-10
CVE-2024-35202

CVSS Score

7.5 / 10

CVSS Data

  • Attack Vector: NETWORK
  • Attack Complexity: LOW
  • Privileges Required: NONE
  • Scope: UNCHANGED
  • Confidentiality Impact: NONE
  • Integrity Impact: NONE
  • Availability Impact: HIGH
    • View Vector String

    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Date

  • Published: Oct. 10, 2024, 1:15 p.m.
  • Last Modified: Oct. 15, 2024, 12:58 p.m.

Status : Awaiting Analysis

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

cve@mitre.org

*Disclaimer: Some vulnerabilities do not have an associated CPE. To enhance the data, we use AI to infer CPEs based on CVE details. This is an automated process and might not always be accurate.