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CVE-2024-6863— Encryption of Arbitrary Files with Attacker-Controlled Key in h2oai/h2o-3

Quick assessment

Affected
h2oai h2oai/h2o-3
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.

H2O是H2O.ai开源的一个用于分布式、可扩展机器学习的内存平台。 H2O 3.46.0版本存在安全漏洞，该漏洞源于自定义加密工具端点未限制加密文件，可能导致勒索软件行为。

AI Predicted 9.8 Difficulty: Easy EPSS 0.35% · P27
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I. Basic Information for CVE-2024-6863

Vulnerability Information
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Vulnerability Title
Encryption of Arbitrary Files with Attacker-Controlled Key in h2oai/h2o-3
Source: CVE Program / CVE List V5
Vulnerability Description
In h2oai/h2o-3 version 3.46.0, an endpoint exposing a custom EncryptionTool allows an attacker to encrypt any files on the target server with a key of their choosing. The chosen key can also be overwritten, resulting in ransomware-like behavior. This vulnerability makes it possible for an attacker to encrypt arbitrary files with keys of their choice, making it exceedingly difficult for the target to recover the keys needed for decryption.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
暴露危险的方法或函数
Source: CVE Program / CVE List V5
Vulnerability Title
H2O 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
H2O是H2O.ai开源的一个用于分布式、可扩展机器学习的内存平台。 H2O 3.46.0版本存在安全漏洞，该漏洞源于自定义加密工具端点未限制加密文件，可能导致勒索软件行为。
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
h2oai h2oai/h2o-3 unspecified ~ latest -

II. Public POCs for CVE-2024-6863

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III. Intelligence Information for CVE-2024-6863

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Vendor Advisories for CVE-2024-6863 (1)

Same Patch Batch · h2oai · 2025-03-20 · 10 CVEs total

CVE-2024-6854 Arbitrary File Overwrite in h2oai/h2o-3
CVE-2024-7765 Denial of Service in h2oai/h2o-3
CVE-2024-7768 Denial of Service in h2oai/h2o-3
CVE-2024-8616 Arbitrary File Overwrite in h2oai/h2o-3
CVE-2024-8062 Denial of Service in h2oai/h2o-3
CVE-2024-10549 Denial of Service by ReDOS in h2oai/h2o-3
CVE-2024-10553 Jdbc Deserialization in h2oai/h2o-3
CVE-2024-10550 Denial of Service by ReDOS in h2oai/h2o-3
CVE-2024-10572 Denial of Service and Arbitrary File Write in h2oai/h2o-3

IV. Related Vulnerabilities

Same product: h2oai/h2o-3
Same vendor: h2oai
Same weakness: CWE-749

V. Comments for CVE-2024-6863

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