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CVE-2023-36327

9.8 · CRITICAL

Integer Overflow vulnerability in RELIC before commit 421f2e91cf2ba42473d4d54daf24e295679e290e, allows attackers to execute arbitrary code and cause a denial of service in pos argument in bn_get_pr…

Published Sep 1, 2023CWE-190EPSS 0.86%

Overview

CVE-2023-36327 is a critical-severity vulnerability. It was published on September 1, 2023 and has a CVSS 3.1 base score of 9.8 (CRITICAL).

This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Integer Overflow vulnerability in RELIC before commit 421f2e91cf2ba42473d4d54daf24e295679e290e, allows attackers to execute arbitrary code and cause a denial of service in pos argument in bn_get_prime function.

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/relic-toolkit/relic/commit/421f2e91cf2ba42473d4d54daf24e295679e290eRefgroups.google.com/g/relic-discuss/c/A_J2-ArVIAo/m/qgFiXsUJBQAJ?utm_medium=email&utm_source=footerGitHubgithub.com/relic-toolkit/relic/commit/421f2e91cf2ba42473d4d54daf24e295679e290eRefgroups.google.com/g/relic-discuss/c/A_J2-ArVIAo/m/qgFiXsUJBQAJ?utm_medium=email&utm_source=footer

How CyberStrike helps

Frequently asked questions

What is CVE-2023-36327?

CVE-2023-36327 is a critical-severity vulnerability. It was published on September 1, 2023 and has a CVSS 3.1 base score of 9.8 (CRITICAL).

How severe is CVE-2023-36327?

This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2023-36327?

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-2023-36327?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2023-36327 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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