CVE-2024-42350

The CVE describes a public-key confusion in Biscuit’s third-party blocks: a forged ThirdPartyBlock request can cause a third-party authority to generate datalog trusting the wrong keypair, enabling an attacker to embed a trusted annotation in tokens. The issue arises from how the block request co...

CVE-2024-42350 Public key confusion in third party block in Biscuit

Biscuit is an authorization token with decentralized verification, offline attenuation and strong security policy enforcement based on a logic language. Third-party blocks can be generated without transferring the whole token to the third-party authority. Instead, a ThirdPartyBlock request can be...