CVE-2024-22192

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

Description

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 unique identifier for a holder providing a verifiable presentation that includes a Non-Revocation proof. The impact of the flaw is that a malicious verifier may be able to determine a unique identifier for a holder presenting a Non-Revocation proof. Ursa has moved to end-of-life status and no fix is expected.

Category

6.5
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.13%
Vendor Advisory github.com
Affected: hyperledger-archives ursa
Published at:
Updated at:

References

Link Tags
https://github.com/hyperledger-archives/ursa/security/advisories/GHSA-6698-mhxx-r84g vendor advisory

Frequently Asked Questions

What is the severity of CVE-2024-22192?
CVE-2024-22192 has been scored as a medium severity vulnerability.
How to fix CVE-2024-22192?
To fix CVE-2024-22192, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2024-22192 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2024-22192 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2024-22192?
CVE-2024-22192 affects hyperledger-archives ursa.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.