Denial of service in Bitcoin Core

1) Resource exhaustion

EUVDB-ID: #VU79725

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-33297

CWE-ID: CWE-400 - Resource exhaustion

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to application does not properly control consumption of internal resources. A remote attacker can trigger resource exhaustion and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Bitcoin Core: 24.0 - 24.0.1

External links

http://github.com/bitcoin/bitcoin/pull/27610
http://github.com/bitcoin/bitcoin/issues/27623
http://github.com/bitcoin/bitcoin/blob/master/doc/release-notes/release-notes-24.1.md
http://github.com/bitcoin/bitcoin/issues/27586
http://en.bitcoin.it/wiki/Common_Vulnerabilities_and_Exposures
http://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/F2EI7SAP4QP2AJYK2JVEOO4GJ6DOBSM5/
http://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/H3CQY277NWXY3RFCZCJ4VKT2P3ROACEJ/

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.