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CVE-2023-44378

7.1 · HIGH

gnark is a zk-SNARK library that offers a high-level API to design circuits.

Published Oct 9, 2023CWE-191EPSS 0.23%

Overview

CVE-2023-44378 is a high-severity vulnerability. It was published on October 9, 2023 and has a CVSS 3.1 base score of 7.1 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.1, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical description

gnark is a zk-SNARK library that offers a high-level API to design circuits. Prior to version 0.9.0, for some in-circuit values, it is possible to construct two valid decomposition to bits. In addition to the canonical decomposition of `a`, for small values there exists a second decomposition for `a+r` (where `r` is the modulus the values are being reduced by). The second decomposition was possible due to overflowing the field where the values are defined. Upgrading to version 0.9.0 should fix the issue without needing to change the calls to value comparison methods.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. 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.

References

GitHubgithub.com/Consensys/gnark/commit/59a4087261a6c73f13e80d695c17b398c3d0934fGitHubgithub.com/Consensys/gnark/security/advisories/GHSA-498w-5j49-vqjgGitHubgithub.com/zkopru-network/zkopru/issues/116GitHubgithub.com/Consensys/gnark/commit/59a4087261a6c73f13e80d695c17b398c3d0934fGitHubgithub.com/Consensys/gnark/security/advisories/GHSA-498w-5j49-vqjgGitHubgithub.com/zkopru-network/zkopru/issues/116

How CyberStrike helps

Frequently asked questions

What is CVE-2023-44378?

CVE-2023-44378 is a high-severity vulnerability. It was published on October 9, 2023 and has a CVSS 3.1 base score of 7.1 (HIGH).

How severe is CVE-2023-44378?

This vulnerability has a CVSS 3.1 base score of 7.1, rated HIGH. 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-2023-44378?

Check the references section for vendor advisories, patches, and mitigation guidance. 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.

How can CyberStrike help with CVE-2023-44378?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2023-44378 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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