CVE-2023-3040
3.7 · LOWOverview
CVE-2023-3040 is a low-severity vulnerability affecting cloudflare lua-resty-json. 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 and patches from cloudflare. Update lua-resty-json 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 |
|---|---|---|---|
| cloudflare | lua-resty-json | >= 0, < 2023-05-05 | Affected |
Frequently Asked Questions
What is CVE-2023-3040?
CVE-2023-3040 is a low-severity vulnerability affecting cloudflare lua-resty-json. 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 and patches from cloudflare. Update lua-resty-json 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.
How can CyberStrike help with CVE-2023-3040?
CyberStrike's AI-powered security agents can automatically detect CVE-2023-3040 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.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
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