Encryption of Arbitrary Files with Attacker-Controlled Key in h2oai/h2o-3

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.

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暴露危险的方法或函数

H2O 安全漏洞

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。

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