SB2024092678 - Improper Certificate Validation in nix

Description

This security bulletin contains information about 1 vulnerability.

1) Improper Certificate Validation (CVE-ID: CVE-2024-47174)

CWE-ID: CWE-295 - Improper Certificate Validation

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green

The vulnerability allows a remote attacker to disclose sensitive information.

The vulnerability exists due to improper certificate validation in <nix/fetchurl.nix> when establishing HTTPS connections. A remote attacker can perform a man-in-the-middle attack to disclose sensitive information.

Credentials may be exposed when authentication is supplied through a netrc file or through derivations using impureEnvVars.

Remediation

Install update from vendor's website.

References

• https://github.com/NixOS/nix/security/advisories/GHSA-6fjr-mq49-mm2c
• https://github.com/advisories/GHSA-6fjr-mq49-mm2c