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created 5 months, 4 weeks ago Activity log
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Authlib Vulnerable to JWE RSA1_5 Bleichenbacher Padding Oracle

Authlib is a Python library which builds OAuth and OpenID Connect servers. Prior to version 1.6.9, a cryptographic padding oracle vulnerability was identified in the Authlib Python library concerning the implementation of the JSON Web Encryption (JWE) RSA1_5 key management algorithm. Authlib registers RSA1_5 in its default algorithm registry without requiring explicit opt-in, and actively destroys the constant-time Bleichenbacher mitigation that the underlying cryptography library implements correctly. This issue has been patched in version 1.6.9.

Affected products

authlib
  • ==< 1.6.9

Matching in nixpkgs

pkgs.python313Packages.oauthlib

Generic, spec-compliant, thorough implementation of the OAuth request-signing logic

  • nixos-unstable -
    • nixpkgs-unstable 3.3.1
    • nixos-unstable-small 3.3.1

pkgs.python314Packages.oauthlib

Generic, spec-compliant, thorough implementation of the OAuth request-signing logic

  • nixos-unstable -
    • nixpkgs-unstable 3.3.1
    • nixos-unstable-small 3.3.1

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