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CVE-2023-33297

Date: May 21, 2023

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.

Language: C++

Severity Score

Related Resources (14)

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://github.com/visualbasic6/drain
https://github.com/bitcoin/bitcoin/blob/master/doc/release-notes/release-notes-24.1.md
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/F2EI7SAP4QP2AJYK2JVEOO4GJ6DOBSM5/
https://en.bitcoin.it/wiki/Common_Vulnerabilities_and_Exposures
https://github.com/bitcoin/bitcoin/issues/27586
https://x.com/123456/status/1711601593399828530
https://github.com/bitcoin/bitcoin/pull/27610
https://github.com/dogecoin/dogecoin/issues/3243#issuecomment-1712575544
https://nvd.nist.gov/vuln/detail/CVE-2023-33297
https://github.com/bitcoin/bitcoin/issues/27623
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/H3CQY277NWXY3RFCZCJ4VKT2P3ROACEJ/
https://www.mend.io/vulnerability-database/CVE-2023-33297

Severity Score

Weakness Type (CWE)

Uncontrolled Resource Consumption

CWE-400

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

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