CVE-2024-39943: rejetto HFS vulnerable to OS Command Execution by remote authenticated users

July 5, 2024 (updated November 18, 2024)

rejetto HFS (aka HTTP File Server) 3 before 0.52.10 on Linux, UNIX, and macOS allows OS command execution by remote authenticated users (if they have Upload permissions). This occurs because a shell is used to execute df (i.e., with execSync instead of spawnSync in child_process in Node.js).

References

github.com/advisories/GHSA-5f4x-hwv2-w9w2
github.com/rejetto/hfs
github.com/rejetto/hfs/commit/305381bd36eee074fb238b64302a252668daad1d
github.com/rejetto/hfs/compare/v0.52.9...v0.52.10
nvd.nist.gov/vuln/detail/CVE-2024-39943
www.rejetto.com/wiki/index.php/HFS:_Working_with_uploads

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