Resource exhaustion in Bitcoin Core - CVE-2023-33297
Published: August 20, 2023
Vulnerability identifier: #VU79725
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2023-33297
CWE-ID: CWE-400
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
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.
Affected software
Bitcoin Core
Gentoo Linux
Fedora
bitcoin-core
net-p2p/bitcoind
Gentoo Linux
Fedora
bitcoin-core
net-p2p/bitcoind
How to mitigate CVE-2023-33297
Install updates from vendor's website.
Bitcoin Core - update to 24.1
bitcoin-core - addressed in versions 24.1-1.el8, 24.1-1.el9, 24.1-1.fc37, 24.1-1.fc38
net-p2p/bitcoind - update to 25.0
bitcoin-core - addressed in versions 24.1-1.el8, 24.1-1.el9, 24.1-1.fc37, 24.1-1.fc38
net-p2p/bitcoind - update to 25.0
External References
- https://github.com/bitcoin/bitcoin/pull/27610
- https://github.com/bitcoin/bitcoin/issues/27623
- https://github.com/bitcoin/bitcoin/blob/master/doc/release-notes/release-notes-24.1.md
- https://github.com/bitcoin/bitcoin/issues/27586
- https://en.bitcoin.it/wiki/Common_Vulnerabilities_and_Exposures
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/F2EI7SAP4QP2AJYK2JVEOO4GJ6DOBSM5/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/H3CQY277NWXY3RFCZCJ4VKT2P3ROACEJ/