Intrusion PreventionNginx.Request.URI.Verification.Security.Bypass
Description
This indicates an attack attempt to exploit a remote Code Execution Vulnerability in Nginx.
The vulnerability is due to an error when vulnerable software handles a HTTP request with unescaped space characters within URIs. A remote attacker can exploit this to bypass security checks of vulnerable system, via a crafted HTTP request.
Affected Products
nginx HTTP Server 1.5.x prior to 1.5.7
nginx HTTP Server 1.x prior 1.4.4
Impact
Security Bypass: Remote attackers can bypass security checking of vulnerable systems.
Recommended Actions
Apply patch available from the website.
http://mailman.nginx.org/pipermail/nginx-announce/2013/000125.html
Telemetry
Coverage
| IPS (Regular DB) | |
| IPS (Extended DB) |
| ID | 37565 |
| Created | Mar 28, 2014 |
| Updated | Sep 23, 2020 |
| Risk |
|
| CVE ID | CVE-2013-4547 |
| Exploit Prediction Score | 95.43% |
| Default Action | drop |
| Active | |
| Affected OS | Linux, BSD, MacOS |
| Affected App | Other |