CVE-2025-35471: miniforge — Exploit & Fix

Description

conda-forge openssl-feedstock before 066e83c (2024-05-20), on Microsoft Windows, configures OpenSSL to use an OPENSSLDIR file path that can be written to by non-privilged local users. By writing a specially crafted openssl.cnf file in OPENSSLDIR, a non-privileged local user can execute arbitrary code with the privileges of the user or process loading openssl-feedstock DLLs. Miniforge before 24.5.0 is also affected.

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CVSS v3.1 Score

7.3

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

Weakness Type (CWE)

CWE-427 CWE-427

Affected Products

Vendor	Product	Versions
conda-forge	miniforge	< 24.5.0
conda-forge	openssl-feedstock	< 2024-05-20
microsoft	windows	All

References

Advisories & Patches

https://github.com/conda-forge/openssl-feedstock/commit/066e83c5226bafe90a9c0575b077ce30cd5f5921

Exploits

https://github.com/conda-forge/openssl-feedstock/issues/201

Frequently Asked Questions

What is CVE-2025-35471? +

conda-forge openssl-feedstock before 066e83c (2024-05-20), on Microsoft Windows, configures OpenSSL to use an OPENSSLDIR file path that can be written to by non-privilged local users. By writing a specially crafted openssl.cnf file in OPENSSLDIR, a non-privileged local user can execute arbitrary code with the privileges of the user or process loading openssl-feedstock DLLs. Miniforge before 24.5.0 is also affected. It has a CVSS v3.1 base score of 7.3 (HIGH).

How severe is CVE-2025-35471? +

CVE-2025-35471 has a CVSS v3.1 score of 7.3 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2025-35471? +

CVE-2025-35471 affects products from conda-forge, microsoft, specifically: miniforge, openssl-feedstock, windows. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-35471? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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