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Category:   Application (Generic)  >   PHP Vendors:   PHP Group
PHP File Upload Bug May Let Remote Users Overwrite Files on the Target System
SecurityTracker Alert ID:  1025659
SecurityTracker URL:  http://securitytracker.com/id/1025659
CVE Reference:   CVE-2011-2202   (Links to External Site)
Date:  Jun 14 2011
Impact:   Modification of system information
Fix Available:  Yes  Vendor Confirmed:  Yes  Exploit Included:  Yes  
Version(s): prior to 5.3.7
Description:   A vulnerability was reported in PHP. A remote user may be able to overwrite files on the target system.

PHP dos not properly filter user-supplied file path names when filling the $_FILES[] array. A remote user can submit a specially crafted multipart/form-data form to cause the target server to overwrite an arbitrary file in the root directory of the server with the privileges of the web service.

Krzysztof Kotowicz reported this vulnerability.

Impact:   A remote user can overwrite files in the root directory with the privileges of the target web service.
Solution:   The vendor has issued a source code fix, available at:

http://svn.php.net/viewvc?view=revision&revision=312103

Vendor URL:  www.php.net/ (Links to External Site)
Cause:   Input validation error
Underlying OS:  Linux (Any), UNIX (Any), Windows (Any)

Message History:   This archive entry has one or more follow-up message(s) listed below.
Nov 3 2011 (Red Hat Issues Fix) PHP File Upload Bug May Let Remote Users Overwrite Files on the Target System
Red Hat has issued a fix for Red Hat Enterprise Linux 5 and 6.
Jan 19 2012 (Red Hat Issues Fix) PHP File Upload Bug May Let Remote Users Overwrite Files on the Target System
Red Hat has issued a fix for Red Hat Enterprise Linux 5.
Jan 30 2012 (Red Hat Issues Fix) PHP File Upload Bug May Let Remote Users Overwrite Files on the Target System
Red Hat has issued a fix for Red Hat Enterprise Linux 4.



 Source Message Contents



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