CVE-2024-22192 Ursa CL-Signatures Revocation allows verifiers to generate unique identifiers for holders

Ursa is a cryptographic library for use with blockchains. The revocation scheme that is part of the Ursa CL-Signatures implementations has a flaw that could impact the privacy guarantees defined by the AnonCreds verifiable credential model. Notably, a malicious verifier may be able to generate a...

GHSA-6698-MHXX-R84G Ursa CL-Signatures Revocation allows verifiers to generate unique identifiers for holders

Summary The revocation scheme that is part of the Ursa CL-Signatures implementations has a flaw that could impact the privacy guarantees defined by the AnonCreds verifiable credential model. Notably, a malicious verifier may be able to generate a unique identifier for a holder providing a...

Ursa CL-Signatures Revocation allows verifiers to generate unique identifiers for holders

Summary The revocation scheme that is part of the Ursa CL-Signatures implementations has a flaw that could impact the privacy guarantees defined by the AnonCreds verifiable credential model. Notably, a malicious verifier may be able to generate a unique identifier for a holder providing a...