{"id":"CVE-2018-9230","details":"In OpenResty through 1.13.6.1, URI parameters are obtained using the ngx.req.get_uri_args and ngx.req.get_post_args functions that ignore parameters beyond the hundredth one, which might allow remote attackers to bypass intended access restrictions or interfere with certain Web Application Firewall (ngx_lua_waf or X-WAF) products. NOTE: the vendor has reported that 100 parameters is an intentional default setting, but is adjustable within the API. The vendor's position is that a security-relevant misuse of the API by a WAF product is a vulnerability in the WAF product, not a vulnerability in OpenResty","modified":"2026-04-10T04:11:37.457339Z","published":"2018-04-02T18:29:00.233Z","references":[{"type":"ADVISORY","url":"https://openresty.org/en/changelog-1013006.html"},{"type":"EVIDENCE","url":"https://github.com/Bypass007/vuln/blob/master/OpenResty/Uri%20parameter%20overflow%20in%20Openresty.md"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/openresty/openresty","events":[{"introduced":"0"},{"fixed":"d2618c31355a2f7e7ac88ab845a72f61c3505f8b"}],"database_specific":{"versions":[{"introduced":"0"},{"fixed":"1.13.6.1"}]}}],"versions":["v0.8.54.3","v0.8.54.6","v1.0.10.1","v1.0.10.11","v1.0.10.13","v1.0.10.15","v1.0.10.17","v1.0.10.19","v1.0.10.21","v1.0.10.23","v1.0.10.24","v1.0.10.25","v1.0.10.27","v1.0.10.29","v1.0.10.3","v1.0.10.31","v1.0.10.33","v1.0.10.35","v1.0.10.41","v1.0.10.43","v1.0.10.44","v1.0.10.45","v1.0.10.47","v1.0.10.48","v1.0.10.5","v1.0.10.7","v1.0.10.9","v1.0.11.11","v1.0.11.15","v1.0.11.17","v1.0.11.19","v1.0.11.21","v1.0.11.23","v1.0.11.25","v1.0.11.27","v1.0.11.28","v1.0.11.3","v1.0.11.7","v1.0.11.9","v1.0.15.1","v1.0.15.10","v1.0.15.11","v1.0.15.3","v1.0.15.5","v1.0.15.7","v1.0.15.9","v1.0.4.1","v1.0.4.2","v1.0.5.0","v1.0.5.1","v1.0.6.22","v1.0.6.3","v1.0.6.5","v1.0.8.1","v1.0.8.11","v1.0.8.13","v1.0.8.15","v1.0.8.17","v1.0.8.19","v1.0.8.21","v1.0.8.26","v1.0.8.3","v1.0.8.5","v1.0.8.7","v1.0.8.9","v1.0.9.1","v1.0.9.10","v1.0.9.3","v1.0.9.5","v1.0.9.7","v1.0.9.9","v1.11.2.1","v1.11.2.2","v1.11.2.3","v1.11.2.5","v1.2.1.1","v1.2.1.11","v1.2.1.13","v1.2.1.14","v1.2.1.3","v1.2.1.5","v1.2.1.7","v1.2.1.9","v1.2.3.1","v1.2.3.3","v1.2.3.5","v1.2.3.7","v1.2.3.8","v1.2.4.1","v1.2.4.11","v1.2.4.13","v1.2.4.14","v1.2.4.3","v1.2.4.5","v1.2.4.7","v1.2.4.9","v1.2.6.1","v1.2.6.3","v1.2.6.5","v1.2.6.6","v1.2.7.1","v1.2.7.3","v1.2.7.5","v1.2.7.6","v1.2.8.1","v1.2.8.5","v1.2.8.6","v1.4.1.1","v1.4.1.3","v1.4.2.1","v1.4.2.3","v1.4.2.5","v1.4.2.7","v1.4.2.8","v1.4.2.9","v1.4.3.1","v1.4.3.3","v1.4.3.4","v1.4.3.6","v1.4.3.7","v1.4.3.9","v1.5.11.1","v1.5.12.1","v1.5.8.1","v1.7.0.1","v1.7.10.1","v1.7.10.2","v1.7.2.1","v1.7.7.1","v1.7.7.2","v1.9.15.1","v1.9.3.1","v1.9.3.1rc1","v1.9.3.2","v1.9.7.1","v1.9.7.2","v1.9.7.3","v1.9.7.4"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-9230.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}