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authlib@1.9.0

The ultimate Python library in building OAuth and OpenID Connect servers and clients.

  • latest version

    1.9.1

  • latest non vulnerable version

    1.9.1

  • first published

    8 years ago

  • latest version published

    11 days ago

  • licenses detected

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    Direct Vulnerabilities

    Known vulnerabilities in the authlib package. This does not include vulnerabilities belonging to this package’s dependencies.

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    VulnerabilityVulnerable Version
    • C
    Improper Verification of Cryptographic Signature

    authlib is a library in building OAuth and OpenID Connect servers.

    Affected versions of this package are vulnerable to Improper Verification of Cryptographic Signature via the _check_key method in authlib/jose/rfc7518/oct_key.py, where an empty octet-sequence (oct) key is accepted without error for HMAC-based algorithms (HS256, HS384, HS512). An attacker can forge valid JWS signatures by supplying an empty string as the HMAC key, bypassing signature verification entirely.

    How to fix Improper Verification of Cryptographic Signature?

    Upgrade authlib to version 1.9.1 or higher.

    [,1.9.1)
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