{"answers":{"affected":"It affects 1 product.","exploited":"There is no known exploitation of CVE-2023-3040 in the wild and no public exploit code.","fix":"No fix has been published for CVE-2023-3040 yet. Limit exposure of the affected software until one is available.","what":"CVE-2023-3040 is a low-severity denial of service vulnerability in Cloudflare lua-resty-json, published on 14 Jun 2023. An attacker can exploit it over the internet without logging in, with no action from the victim."},"fix_prompt":"Check this codebase for CVE-2023-3040 and fix it if it is affected.\n\nWhat it is: CVE-2023-3040 is a low-severity denial of service vulnerability in Cloudflare lua-resty-json, published on 14 Jun 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.\nExploitation: There is no known exploitation of CVE-2023-3040 in the wild and no public exploit code.\n\nAffected product: Cloudflare lua-resty-json. No package-level version data is available, so check the vendor advisory linked from the reference page.\n\nTask:\n1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.\n2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.\n3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.\n4. Run the tests and summarise what changed and why.\n5. If nothing in the project is affected, say so and change nothing.\n\nReference: https://insights.sbomify.com/CVE-2023-3040/ (Markdown: https://insights.sbomify.com/CVE-2023-3040/index.md)","id":"CVE-2023-3040","markdown":"https://insights.sbomify.com/CVE-2023-3040/index.md","name":"CVE-2023-3040","record":{"aliases":[],"analysis":{"component_type":"library","fix_type":"patch","impacts":["denial_of_service"],"network_reachable":"yes","non_default_config":true,"product_category":"Lua JSON library","requires_auth":"none","summary":"An out-of-bounds access in a debug function of lua-resty-json could cause denial of service if used on untrusted input, though it is not exploitable in normal environments.","user_interaction":"not_required","vuln_class":"denial_of_service"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"cloudflare","cpe":[{"product":"lua-resty-json","vendor":"cloudflare"}],"cvss":{"score":3.7,"severity":"low","source":"cna","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L","version":"3.1"},"cwes":[{"id":"CWE-125","name":"Out-of-bounds Read"}],"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.","ecosystems":[],"exploits":{"exploitdb":0,"first_seen":null,"github_poc":0,"max_poc_stars":null,"metasploit":0,"nuclei":0,"refs":[],"tier":"none_known"},"has_fix":null,"headline":"Out of Bounds Access Leading to Undefined Behavior","id":"CVE-2023-3040","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":null,"product":null,"products":[],"type":"denial_of_service","year":"2023"},"n_packages":0,"n_references":2,"next":{"headline":"Autochat \u003c= 1.1.7- Unauthenticated Stored XSS","id":"CVE-2023-3041"},"packages":[],"prev":{"headline":"Missing authorization in SD ROM Utility","id":"CVE-2023-3039"},"products":["lua-resty-json"],"published":"2023-06-14","related":[],"sources":[{"class":"attribution","licence":"CVE Terms of Use (MITRE)","name":"CVE List","prefix":"CVE"},{"class":"attribution","licence":"US public information, NVD API terms","name":"NVD"},{"class":"attribution","licence":"CWE Terms of Use","name":"CWE (MITRE)"},{"class":"attribution","licence":"FIRST CVSS licence","name":"CVSS (FIRST)"}],"ssvc":{"automatable":"no","exploitation":"none","technical_impact":"partial"},"state":"PUBLISHED","updated":"2025-01-02","vendors":["Cloudflare"]},"summary":"An out-of-bounds access in a debug function of lua-resty-json could cause denial of service if used on untrusted input, though it is not exploitable in normal environments.","url":"https://insights.sbomify.com/CVE-2023-3040/"}