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CVE-2019-25220

Quick assessment

Affected
n/a n/a
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Bitcoin Core是Bitcoin开源的一款用于验证区块链交易有效性的开源客户端。 Bitcoin Core 24.0.1之前版本存在安全漏洞，该漏洞源于未验证所提供的链是否具有足够的工作量，导致攻击者可以通过发送大量低难度的区块头链导致服务拒绝。

AI Predicted 7.5 Difficulty: Easy EPSS 0.82% · P56

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2019-25220

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Bitcoin Core before 24.0.1 allows remote attackers to cause a denial of service (daemon crash) via a flood of low-difficulty header chains (aka a "Chain Width Expansion" attack) because a node does not first verify that a presented chain has enough work before committing to store it.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Bitcoin Core 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Bitcoin Core是Bitcoin开源的一款用于验证区块链交易有效性的开源客户端。 Bitcoin Core 24.0.1之前版本存在安全漏洞，该漏洞源于未验证所提供的链是否具有足够的工作量，导致攻击者可以通过发送大量低难度的区块头链导致服务拒绝。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
- n/a n/a -

II. Public POCs for CVE-2019-25220

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III. Intelligence Information for CVE-2019-25220

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Vendor Advisories for CVE-2019-25220 (1)

Other References for CVE-2019-25220 (1)

Same Patch Batch · n/a · 2024-11-18 · 35 CVEs total

CVE-2024-52945 7.8 HIGH Veritas NetBackup 安全漏洞
CVE-2024-52944 5.4 MEDIUM Veritas Enterprise Vault 安全漏洞
CVE-2024-52942 5.4 MEDIUM Veritas Enterprise Vault 安全漏洞
CVE-2024-52941 5.4 MEDIUM Veritas Enterprise Vault 安全漏洞
CVE-2024-52943 5.4 MEDIUM Veritas Enterprise Vault 安全漏洞
CVE-2024-52947 LemonLDAP::NG 安全漏洞
CVE-2024-52915 Bitcoin Core 安全漏洞
CVE-2024-52919 Bitcoin Core 安全漏洞
CVE-2024-52921 Bitcoin Core 安全漏洞
CVE-2024-52920 Bitcoin Core 安全漏洞
CVE-2024-52922 Bitcoin Core 安全漏洞
CVE-2024-52914 Bitcoin Core 安全漏洞
CVE-2024-52940 AnyDesk 安全漏洞
CVE-2024-52913 Bitcoin Core 安全漏洞
CVE-2024-52916 Bitcoin Core 安全漏洞
CVE-2024-52912 Bitcoin Core 安全漏洞
CVE-2024-52946 LemonLDAP::NG 安全漏洞
CVE-2023-49952 Mastodon 安全漏洞
CVE-2015-20111 Bitcoin Core 安全漏洞
CVE-2024-52917 Bitcoin Core 安全漏洞

Showing top 20 of 35 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: n/a
Same vendor: n/a

V. Comments for CVE-2019-25220

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