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PYSEC-2023-1

PYSEC-2023-1

This page contains facts from public vulnerability sources. Check the original advisory before updating.

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.

Fix available

Published
Updated

Stack: python

Affected products and versions

  • adyen PyPI

    Versions
    • 2.2.0
    • 2.3.0
    • 3.0.0
    • 3.1.0
    • 4.0.0
    • 5.0.0
    • 5.1.0
    • 6.0.0
    • 7.0.0
    Affected ranges
    • ECOSYSTEM: ≥ 2.2.0, < 7.1.0

    Update to 7.1.0

Original sources

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