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CVE-2023-3040

3.7 · LOW

A debug function in the lua-resty-json package, up to commit id 3ef9492bd3a44d9e51301d6adc3cd1789c8f534a (merged in PR #14) contained an out of bounds access bug that could have allowed an attacker…

Published Jun 14, 2023CWE-125EPSS 0.71%

Overview

CVE-2023-3040 is a low-severity vulnerability. It was published on June 14, 2023 and has a CVSS 3.1 base score of 3.7 (LOW).

This vulnerability has a CVSS 3.1 base score of 3.7, rated LOW. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

A debug function in the lua-resty-json package, up to commit id 3ef9492bd3a44d9e51301d6adc3cd1789c8f534a (merged in PR #14) contained an out of bounds access bug that could have allowed an attacker to launch a DoS if the function was used to parse untrusted input data. It is important to note that because this debug function was only used in tests and demos, it was not exploitable in a normal environment.

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/cloudflare/lua-resty-json/pull/14GitHubgithub.com/cloudflare/lua-resty-json/security/advisories/GHSA-h8rp-9622-83pgGitHubgithub.com/cloudflare/lua-resty-json/pull/14GitHubgithub.com/cloudflare/lua-resty-json/security/advisories/GHSA-h8rp-9622-83pg

How CyberStrike helps

Frequently asked questions

What is CVE-2023-3040?

CVE-2023-3040 is a low-severity vulnerability. It was published on June 14, 2023 and has a CVSS 3.1 base score of 3.7 (LOW).

How severe is CVE-2023-3040?

This vulnerability has a CVSS 3.1 base score of 3.7, rated LOW. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2023-3040?

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-2023-3040?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2023-3040 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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