hyperledger-archives ursa up to 0.3.7 Revocation Schema risky encryption

Summaryinfo

A vulnerability labeled as problematic has been found in hyperledger-archives ursa up to 0.3.7. Affected by this vulnerability is an unknown functionality of the component Revocation Schema. The manipulation results in risky encryption. This vulnerability only affects products that are no longer supported by the maintainer. This vulnerability is reported as CVE-2024-22192. The attack can be launched remotely. No exploit exists.

Detailsinfo

A vulnerability, which was classified as problematic, was found in hyperledger-archives ursa up to 0.3.7. Affected is an unknown part of the component Revocation Schema. The manipulation with an unknown input leads to a risky encryption vulnerability. CWE is classifying the issue as CWE-327. The product uses a broken or risky cryptographic algorithm or protocol. This is going to have an impact on confidentiality. CVE summarizes:

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.

The weakness was disclosed 01/17/2024 as GHSA-6698-mhxx-r84g. The advisory is shared for download at github.com. This vulnerability is traded as CVE-2024-22192 since 01/08/2024. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1600.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Vendor

• hyperledger-archives

Name

• ursa

Version

• 0.3.0
• 0.3.1
• 0.3.2
• 0.3.3
• 0.3.4
• 0.3.5
• 0.3.6
• 0.3.7

Support

• end of life

Website

• Product: https://github.com/hyperledger-archives/ursa/

CPE 2.3info

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CPE 2.2info

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