fishaudio/Bert-VITS2 Limited File Write in webui_preprocess.py generate_config function

Bert-VITS2 is the VITS2 Backbone with multilingual bert. User input supplied to the data_dir variable is concatenated with other folders and used to open a new file in the generate_config function, which leads to a limited file write. The issue allows for writing /config/config.json file in arbitrary directory on the server. If a given directory path doesn’t exist, the application will return an error, so this vulnerability could also be used to gain information about existing directories on the server. This affects fishaudio/Bert-VITS2 2.3 and earlier.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

对路径名的限制不恰当(路径遍历)

Bert-VITS2 安全漏洞

Bert-VITS2是Fish Audio开源的一种文本转语音模型的主干。 Bert-VITS2 2.3版本存在安全漏洞，该漏洞源于文件写入受限，允许在服务器上的任意目录中写入/config/config.json文件。

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