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CVE-2024-39688— fishaudio/Bert-VITS2 Limited File Write in webui_preprocess.py generate_config function

Quick assessment

Affected

FishAudio Bert-VITS2

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.

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。

CVSS 6.5 · Medium EPSS 0.50% · P43 Updated Jan 25, 2025

Possible ATT&CK Techniques 2 AI

T1560.001 · Archive via Utility T1083 · File and Directory Discovery

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I. Basic Information for CVE-2024-39688

Vulnerability Information

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Vulnerability Title

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

Source: CVE Program / CVE List V5

Vulnerability Description

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.

Source: CVE Program / CVE List V5

CVSS Information

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

Source: CVE Program / CVE List V5

Vulnerability Type

对路径名的限制不恰当(路径遍历)

Source: CVE Program / CVE List V5

Vulnerability Title

Bert-VITS2 安全漏洞

Source: CNNVD (China National Vulnerability Database)

Vulnerability Description

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
FishAudio	Bert-VITS2	<= 2.3	-

II. Public POCs for CVE-2024-39688

#	POC Description	Source Link	Shenlong Link

AI-Generated POC Premium

No public POC found.

III. Intelligence Information for CVE-2024-39688

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Other References for CVE-2024-39688 (3)

https://securitylab.github.com/advisories/GHSL-2024-045_GHSL-2024-047_fishaudio_Bert-VITS2/ x_refsource_CONFIRM
https://github.com/fishaudio/Bert-VITS2/blob/76653b5b6d657143721df2ed6c5c246b4b1d9277/webui_preprocess.py#L34 x_refsource_MISC
https://github.com/fishaudio/Bert-VITS2/blob/76653b5b6d657143721df2ed6c5c246b4b1d9277/webui_preprocess.py#L130-L133 x_refsource_MISC

https://www.cve.org/CVERecord?id=CVE-2024-39688

Same Patch Batch · FishAudio · 2024-07-22 · 3 CVEs total

CVE-2024-39685	9.8 CRITICAL	fishaudio/Bert-VITS2 Command Injection in webui_preprocess.py resample function
CVE-2024-39686	9.8 CRITICAL	fishaudio/Bert-VITS2 Command Injection in webui_preprocess.py bert_gen function

IV. Related Vulnerabilities

Same product: Bert-VITS2

Same vendor: FishAudio

Same weakness: CWE-22