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GHSA-6cf6-8hvr-r68w
No affected components available
Impact
In dectalk-tts@1.0.0, network requests to the third-party API are sent over HTTP, which is unencrypted. Unencrypted traffic can be easily intercepted and modified by attackers. Anyone who uses the package could be the victim of a man-in-the-middle (MITM) attack.
<ins>Theft</ins>
Because dectalk-tts is a text-to-speech package, user requests are expected to only contain natural language. The package README warns that user input is sent to a third-party API, so users should not send sensitive information regardless.
But if users ignore the warnings and send sensitive information anyway, that information could be stolen by attackers.
<ins>Modification</ins>
Attackers could manipulate requests to the API. However, the worst a modified request could do is return an incorrect audio file or bad request rejection.
Attackers could also manipulate responses from the API, returning malicious output to the user. Output is expected to be a wav-encoded buffer, which users will likely save to a file. This could be a dangerous entrypoint to the user's filesystem.
Patches
The network request was upgraded to HTTPS in version 1.0.1. No other changes were made, so updating is risk-free.
Workarounds
There are no workarounds, but here are some precautions:
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Do not send any sensitive information.
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Carefully verify the API response before saving it.
References
The vulnerability can be exploited over the network without needing physical access. It is easy for an attacker to exploit this vulnerability. An attacker does not need any special privileges or access rights. No user interaction is needed for the attacker to exploit this vulnerability. The impact is confined to the system where the vulnerability exists. There is a low impact on the confidentiality of the information. There is a high impact on the integrity of the data.
Exploitation activity has been observed. Apply available patches or mitigations urgently.
The exploit probability is very low. The vulnerability is unlikely to be exploited in the next 30 days.
We did not find any exploit available. Neither in GitHub repositories nor in the Exploit-Database.
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