filestash v0.4 is configured to skip TLS certificate verification when using the FTPS protocol, possibly allowing attackers to execute a man-in-the-middle attack via the Init function of index.go.

References

• https://nvd.nist.gov/vuln/detail/CVE-2024-41255
• https://gist.github.com/nyxfqq/c367f2ca9448810924dcf0f1af30b441
• mickael-kerjean/filestash#710
• https://github.com/mickael-kerjean/filestash/blob/master/server/plugin/plg_backend_ftp/index.go#L108
• https://pkg.go.dev/vuln/GO-2024-3033
• GHSA-4jmm-c6jw-g796