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

Quick assessment

Affected
hyperledger-archives ursa
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Hyperledger Ursa是Hyperledger开源的一个与区块链一起使用的密码库。 Hyperledger Ursa 0.1.0版本存在加密问题漏洞，该漏洞源于Ursa CL-Signatures Revocation允许验证者为持有者生成唯一标识符，从而提供包含非撤销证明的可验证演示文稿。

CVSS 6.5 · Medium EPSS 0.32% · P22

Possible ATT&CK Techniques 1 AI

T1005 · Data from Local System
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I. Basic Information for CVE-2024-22192

Vulnerability Information
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Vulnerability Title
Ursa CL-Signatures Revocation allows verifiers to generate unique identifiers for holders
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
使用已被攻破或存在风险的密码学算法
Source: CVE Program / CVE List V5
Vulnerability Title
Hyperledger Ursa 加密问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Hyperledger Ursa是Hyperledger开源的一个与区块链一起使用的密码库。 Hyperledger Ursa 0.1.0版本存在加密问题漏洞，该漏洞源于Ursa CL-Signatures Revocation允许验证者为持有者生成唯一标识符，从而提供包含非撤销证明的可验证演示文稿。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
hyperledger-archives ursa <= 0.3.7 -

II. Public POCs for CVE-2024-22192

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III. Intelligence Information for CVE-2024-22192

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Vendor Advisories for CVE-2024-22192 (1)

IV. Related Vulnerabilities

Same product: ursa
Same vendor: hyperledger-archives
Same weakness: CWE-327

V. Comments for CVE-2024-22192

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