CVE-2018-9230
Quick assessment
Affected
n/a n/a
Exploitation
High exploitation probability; assess promptly
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
OpenResty是一款基于Nginx和Lua的Web平台。该平台用于搭建用于处理高并发、高扩展性的动态Web应用、Web服务和动态网关。 OpenResty 1.13.6.1之前的版本中存在安全漏洞，该漏洞源于程序使用‘ngx.req.get_uri_args’和‘ngx.req.get_post_args’函数接受参数的数量可以超过100个。远程攻击者可利用该漏洞绕过访问限制，干预Web应用程序防火墙(ngx_lua_waf或X-WAF)产品。
Possible ATT&CK Techniques 1 AI
T1557.001 · Name Resolution Poisoning and SMB Relay
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I. Basic Information for CVE-2018-9230
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
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
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
OpenResty 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
OpenResty是一款基于Nginx和Lua的Web平台。该平台用于搭建用于处理高并发、高扩展性的动态Web应用、Web服务和动态网关。 OpenResty 1.13.6.1之前的版本中存在安全漏洞，该漏洞源于程序使用‘ngx.req.get_uri_args’和‘ngx.req.get_post_args’函数接受参数的数量可以超过100个。远程攻击者可利用该漏洞绕过访问限制，干预Web应用程序防火墙(ngx_lua_waf或X-WAF)产品。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| - | n/a | n/a | - |
|
II. Public POCs for CVE-2018-9230
| # | POC Description | Source Link | Shenlong Link |
|---|
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Other References for CVE-2018-9230 (2)
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https://openresty.org/en/changelog-1013006.html x_refsource_MISC
Same Patch Batch · n/a · 2018-04-02 · 12 CVEs total
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IV. Related Vulnerabilities
V. Comments for CVE-2018-9230
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