FishAudio Bert-VITS2 up to 2.3 bert_gen data_dir os command injection

Summaryinfo

A vulnerability marked as critical has been reported in FishAudio Bert-VITS2 up to 2.3. This affects the function bert_gen. Performing a manipulation of the argument data_dir results in os command injection. This vulnerability is identified as CVE-2024-39686. The attack can be initiated remotely. There is not any exploit available.

Detailsinfo

A vulnerability classified as very critical has been found in FishAudio Bert-VITS2 up to 2.3. This affects the function bert_gen. The manipulation of the argument data_dir with an unknown input leads to a os command injection vulnerability. CWE is classifying the issue as CWE-78. The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Bert-VITS2 is the VITS2 Backbone with multilingual bert. User input supplied to the data_dir variable is used directly in a command executed with subprocess.run(cmd, shell=True) in the bert_gen function, which leads to arbitrary command execution. This affects fishaudio/Bert-VITS2 2.3 and earlier.

The advisory is shared at securitylab.github.com. This vulnerability is uniquely identified as CVE-2024-39686 since 06/27/2024. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details are known, but no exploit is available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 09/12/2024). MITRE ATT&CK project uses the attack technique T1202 for this issue.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

• FishAudio

Name

• Bert-VITS2

Version

• 2.0
• 2.1
• 2.2
• 2.3

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

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Entryinfo

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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