CVE-2023-33297

high

Description

Bitcoin Core before 24.1, when debug mode is not used, allows attackers to cause a denial of service (e.g., CPU consumption) because draining the inventory-to-send queue is inefficient, as exploited in the wild in May 2023.

References

Advisories
More

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/H3CQY277NWXY3RFCZCJ4VKT2P3ROACEJ/

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/F2EI7SAP4QP2AJYK2JVEOO4GJ6DOBSM5/

https://x.com/123456/status/1711601593399828530

https://github.com/visualbasic6/drain

https://github.com/dogecoin/dogecoin/issues/3243#issuecomment-1712575544

https://github.com/bitcoin/bitcoin/pull/27610

https://github.com/bitcoin/bitcoin/issues/27623

https://github.com/bitcoin/bitcoin/issues/27586

https://github.com/bitcoin/bitcoin/blob/master/doc/release-notes/release-notes-24.1.md

https://en.bitcoin.it/wiki/Common_Vulnerabilities_and_Exposures

Details

Source: Mitre, NVD

Published: 2023-05-22

Updated: 2025-01-28

Risk Information

CVSS v2

Base Score: 7.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C

Severity: High

CVSS v3

Base Score: 7.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H