cvedb.io
CVE-2024-47174
MEDIUM · CVSS 5.9
EPSS exploitation probability: 0%
Published 2024-09-26T18:15:10.840 · Last modified 2026-06-17T07:56:40.453

Summary

Nix is a package manager for Linux and other Unix systems. Starting in version 1.11 and prior to versions 2.18.8 and 2.24.8, `<nix/fetchurl.nix>` did not verify TLS certificates on HTTPS connections. This could lead to connection details such as full URLs or credentials leaking in case of a man-in-the-middle (MITM) attack. `<nix/fetchurl.nix>` is also known as the builtin derivation builder `builtin:fetchurl`. It's not to be confused with the evaluation-time function `builtins.fetchurl`, which was not affected by this issue. A user may be affected by the risk of leaking credentials if they have a `netrc` file for authentication, or rely on derivations with `impureEnvVars` set to use credentials from the environment. In addition, the commonplace trust-on-first-use (TOFU) technique of updati

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.