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CVE-2018-8065 is a vulnerability in the web server component of Flexense SyncBreeze Enterprise 10.6.24. The vulnerability arises from a user mode write access violation in the syncbrs.exe process, which can be triggered by sending a rapid sequence of HTTP requests with excessively long HTTP header values or URIs. This suggests a lack of proper bounds checking or input validation in the handling of HTTP request data, leading to memory corruption.
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2 valid exploits after Mallory filtered fakes, detection scripts, and README-only repos (1 hidden).
This repository contains a single Metasploit auxiliary module targeting a denial of service (DoS) vulnerability (CVE-2018-8065) in the Flexense HTTP Server (version 10.6.24 and below). The exploit works by sending a large number of HTTP requests with oversized Accept headers to the target server, causing a user mode write access memory violation and crashing the service. The module allows configuration of the number of packets and the size of the Accept header. The exploit is operational and can be used to test or demonstrate the DoS vulnerability. The only code file is a Ruby script structured as a Metasploit module, and it does not provide shell access or code execution, but rather aims to crash the target service. The main network endpoints involved are the target's TCP port (default 80) and the Host header set to 127.0.0.1 in the HTTP requests.
This repository provides a denial of service (DoS) exploit targeting multiple Flexense products (including Sync Breeze Enterprise, DiskBoss Enterprise, and others) running the Flexense HTTP server version 10.6.24 or below. The vulnerability (CVE-2018-8065) is exploited by sending a large number of HTTP requests with oversized header fields, causing a user-mode memory violation and crashing the server process. The repository contains two main exploit implementations: a Metasploit auxiliary module (flexense_http_server_dos.rb) and a standalone Python script (dos.py). Both tools automate the process of sending malformed HTTP requests to the target server. The README and markdown documentation provide detailed usage instructions, affected product versions, and download links for the vulnerable software. The exploit is operational and can be used to reliably crash the target service, resulting in a denial of service condition.
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