CVE-2024-45039

6.2 · MEDIUM

Published Sep 6, 2024 consensys CWE-200 EPSS 0.19% (9th pctl) CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Overview

CVE-2024-45039 is a medium-severity vulnerability affecting consensys gnark-crypto. It was published on September 6, 2024 and has a CVSS 3.1 base score of 6.2 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 6.2, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical Description

gnark is a fast zk-SNARK library that offers a high-level API to design circuits. Versions prior to 0.11.0 have a soundness issue - in case of multiple commitments used inside the circuit the prover is able to choose all but the last commitment. As gnark uses the commitments for optimized non-native multiplication, lookup checks etc. as random challenges, then it could impact the soundness of the whole circuit. However, using multiple commitments has been discouraged due to the additional cost to the verifier and it has not been supported in the recursive in-circuit Groth16 verifier and Solidity verifier. gnark's maintainers expect the impact of the issue be very small - only for the users who have implemented the native Groth16 verifier or are using it with multiple commitments. We do not have information of such users. The issue has been patched in version 0.11.0. As a workaround, users should follow gnark maintainers' recommendation to use only a single commitment and then derive in

Remediation

Check the references section for vendor advisories and patches from consensys. Update gnark-crypto to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected Products

Vendor	Product	Versions	Status
consensys	gnark-crypto	>= 0, < 0.11.0	Affected

References

GitHub github.com/Consensys/gnark/commit/e7c66b000454f4d2a4ae48c005c34154d4cfc2a2 GitHub github.com/Consensys/gnark/security/advisories/GHSA-q3hw-3gm4-w5cr

Frequently Asked Questions

What is CVE-2024-45039?

CVE-2024-45039 is a medium-severity vulnerability affecting consensys gnark-crypto. It was published on September 6, 2024 and has a CVSS 3.1 base score of 6.2 (MEDIUM).

How severe is CVE-2024-45039?

This vulnerability has a CVSS 3.1 base score of 6.2, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2024-45039?

How can CyberStrike help with CVE-2024-45039?

CyberStrike's AI-powered security agents can automatically detect CVE-2024-45039 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.

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