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CVE-2017-14706 is a critical unauthenticated remote code execution vulnerability in DenyAll Web Application Firewall (WAF) versions prior to 6.4.1, affecting i-Suite LTS 5.5.0–5.5.12, i-Suite 5.6, Web Application Firewall 5.7, and Web Application Firewall 6.x before 6.4.1. The vulnerability arises from improper input validation and insecure exposure of internal APIs, specifically in the /webservices/download/index.php and /webservices/stream/tail.php endpoints. Attackers can leak the iToken authentication token by making a typeOf=debug request, then use this token to bypass authentication and exploit a command injection flaw in the PHP backend (notably in the tailDateFile and shell_run functions), ultimately achieving arbitrary command execution on the underlying system. The issue is present in both on-premises and cloud (AWS/Azure) deployments, with the vulnerable service typically exposed on TCP port 3001.
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1 valid exploit after Mallory filtered fakes, detection scripts, and README-only repos.
This repository contains a single Metasploit module (modules/exploits/linux/http/denyall_waf_exec.rb) that exploits a remote code execution vulnerability (CVE-2017-14706) in DenyAll Web Application Firewall. The exploit works by first accessing an unauthenticated endpoint to retrieve an iToken, then using this token to trigger a command injection vulnerability in a second endpoint. The module is written in Ruby and leverages Metasploit's payload system, defaulting to a Python Meterpreter reverse shell, but allowing for any compatible Python payload. The exploit targets DenyAll WAF instances accessible over HTTPS (default port 3001) and does not require authentication. The structure is typical for a Metasploit exploit: it defines options, checks for vulnerability, and executes the payload if the target is exploitable. The main fingerprintable endpoints are '/webservices/download/index.php' and '/webservices/stream/tail.php'.
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