PT-2024-35488 · Unknown · Bitcoin Core

John Newbery · Published 2024-11-18 · Updated 2024-11-18 · CVE-2024-52920

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

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

Name of the Vulnerable Software and Affected Versions: Bitcoin Core versions prior to 0.20.0

Description: The issue allows remote attackers to cause a denial of service, resulting in an infinite loop, by sending a malformed GETDATA message. This can lead to a node crash.

Recommendations: For versions prior to 0.20.0, upgrade to version 0.20.0 or later to resolve the issue. As a temporary workaround, consider restricting or disabling the handling of GETDATA messages until a patch is applied.

Fix

Allocation of Resources Without Limits

Weakness Enumeration

CWE-770

Related Identifiers

CVE-2024-52920

Affected Products

Bitcoin Core

References · 7

• https://bitcoincore.org/en/2024/07/03/disclose-getdata-cpu · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2024-52920 · Security Note
• https://osv.dev/vulnerability/CVE-2024-52920 · Vendor Advisory
• https://twitter.com/VulmonFeeds/status/1858439922777981189 · Twitter Post
• https://twitter.com/oktsec/status/1858414240446443753 · Twitter Post
• https://t.me/cvedetector/11275 · Telegram Post
• https://en.bitcoin.it/wiki/Common_Vulnerabilities_and_Exposures · Note