GitHub Advisoryadvisory · PyPI
GHSA-f3q4-ggfp-jv34 Adyen APIs Library for Python timing attack vulnerability
MEDIUM
Official page ↗
- Ecosystem
- PyPI
- Packages
- Adyen
- Severity
- Moderate
- CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
- Weaknesses
- CWE-347
- Reviewed
- 2024-08-30
Affected packages
• PyPI Adyen: >= 2.2.0, < 7.1.0 → fixed in 7.1.0
Description
Adyen has utility methods for validating notification HMAC signatures. The `is_valid_hmac` and `is_valid_hmac_notification` methods are vulnerable to a timing attack, you should compare the hash of the HMACs instead.
Related
Weakness · CWE (1)
- CWE-347 Improper Verification of Cryptographic Signature weakness
References
- https://github.com/Adyen/adyen-python-api-library/issues/168 web
- https://github.com/Adyen/adyen-python-api-library/pull/170 web
- https://github.com/Adyen/adyen-python-api-library/commit/3292133dbc00ffc4cccfb92de672a76eaa587ca5 web
- https://github.com/Adyen/adyen-python-api-library package
- https://github.com/pypa/advisory-database/tree/main/vulns/adyen/PYSEC-2023-1.yaml web