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GHSA-2p2x-p7wj-j5h2
No affected components available
Summary
The absence of restrictions on the endpoint, which is designed for uploading files, allows an attacker who received the id of a file distribution to change the files that are in this distribution.
Details
Vulnerable endpoint: PATCH /files/{{id}}
PoC
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Create a file distribution.
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Go to the link address for downloading files and download the file (in this case, the attacker receives the file id from the download request).
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Send a PATCH /files/{{id}} request with arbitrary content in the request body.
Thus, the file with the specified id will be changed. What the attacker specifies in the body of the request will be added to the end of the original content. In the future, users will download the modified file.
Impact
The vulnerability allows an attacker to influence those users who come to the file distribution after him and slip the victim files with a malicious or phishing signature.
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. The attacker needs the user to perform some action, like clicking a link. The impact is confined to the system where the vulnerability exists. There is a high impact on the integrity of the data.
Exploitation attempts have been detected. Elevated vigilance and prompt remediation are advised.
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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